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Changes for page LX3V-4DA

Last modified by Mora Zhou on 2023/11/22 10:08
From version 3.1
edited by Stone Wu
on 2022/09/14 16:03
Change comment: There is no comment for this version
To version 2.2
edited by Leo Wei
on 2022/06/08 14:42
Change comment: Update document after refactoring.

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Author
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1 -XWiki.Stone
1 +XWiki.admin
Content
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8 8  = **2 External dimensions and parts** =
9 9  
10 10  (% style="text-align:center" %)
11 -[[image:LX3V-4DA_html_305fb145f01df02f.png||height="337" width="1000" class="img-thumbnail"]]
11 +[[image:LX3V-4DA_html_305fb145f01df02f.png||class="img-thumbnail" height="337" width="1000"]]
12 12  
13 -1. Extension cable and connector
14 -1. Com LED: Light when communicating
15 -1. Power LED: Light when getting power
16 -1. State LED: Light when normal condition
17 -1. Module name
18 -1. Analog signal output terminal
19 -1. Extension module interface
20 -1. DIN rail mounting slot
21 -1. DIN rail hook
22 -1. Mounting holes (φ4.5)
13 +① Extension cable and connector
23 23  
24 -(((
25 -Be sure to use the crimp-style terminals that satisfy the dimensional requirements shows in the left figure.
15 +② Com LED: Light when communicating
26 26  
27 -Apply 0.5 to 0.8 N.m (5 to 8 kgf.cm) torque to tighten the terminals to prevent abnormal operation.
17 +③ Power LED: Light when getting power
28 28  
19 +④ State LED: Light when normal condition
20 +
21 +⑤ Module name
22 +
23 +⑥ Analog signal output terminal
24 +
25 +⑦ Extension module interface
26 +
27 +⑧ DIN rail mounting slot
28 +
29 +⑨ DIN rail hook
30 +
31 +⑩ Mounting holes (φ4.5)
32 +
33 +(((
34 +* Be sure to use the crimp-style terminals that satisfy the dimensional requirements shows in the left figure.
35 +* Apply 0.5 to 0.8 N.m (5 to 8 kgf.cm) torque to tighten the terminals to prevent abnormal operation.
36 +
29 29  (% style="text-align:center" %)
30 -[[image:LX3V-4DA_html_567be68423413d26.png||height="199" width="300" class="img-thumbnail"]]
38 +[[image:LX3V-4DA_html_567be68423413d26.png||class="img-thumbnail" height="199" width="300"]]
31 31  )))
32 32  
33 33  = **3 Installation and wiring** =
... ... @@ -35,36 +35,42 @@
35 35  Various special blocks controlled by the FROM/TO commands, such as the analog input blocks high-speed counter blocks, etc. can be connected to the LX3V programmable controller (MPU), or connected to the right side of the other extension blocks or units. Up to 16 special blocks can be connected to a single MPU in the numeric order of No. 0 to No.15.
36 36  
37 37  (% style="text-align:center" %)
38 -[[image:LX3V-4DA_html_272dd0c915b463ef.png||height="344" width="1100" class="img-thumbnail"]]
46 +[[image:LX3V-4DA_html_272dd0c915b463ef.png||class="img-thumbnail" height="344" width="1100"]]
39 39  
40 40  **WIRING: **The terminal layout shown below may differ from the actual layout. For the correct terminal layout, refer to section 2 External Dimensions and Parts.
41 41  
42 42  (% style="text-align:center" %)
43 -[[image:LX3V-4DA_html_6f615e1cb3ad1139.png||height="212" width="800" class="img-thumbnail"]]
51 +[[image:LX3V-4DA_html_6f615e1cb3ad1139.png||class="img-thumbnail" height="212" width="800"]]
44 44  
45 -* *1: Use a twisted pair shielded cable for the analog output. This cable should be wired away from power lines or any other lines which could induce noise.
46 -* *2: Apply 1-point grounding at the load side of the output cable (class 3 grounding: 100Ω or less).
47 -* *3: If electrical noise or a voltage ripple exists at the output, connect a smoothing capacitor of 0.1 to 0.47uF, 25V.
48 -* *4: Connect the [[image:LX3V-4DA_html_521762f8994ba428.png]] terminal on the LX3V-4DA with the [[image:LX3V-4DA_html_521762f8994ba428.png]] terminal on the MPU of the programmable controller.
49 -* *5: Shorting the voltage output terminal or connecting the current output load to the voltage output terminal may damage the LX3V-4DA.
50 -* *6: The 24V DC service power of the programmable controller can also be used.
51 -* *7: Don’t connect any unit to the unused terminal [[image:LX3V-4DA_html_9ea03e9f7e6e8562.png]]
53 +*1: Use a twisted pair shielded cable for the analog output. This cable should be wired away from power lines or any other lines which could induce noise.
52 52  
55 +*2: Apply 1-point grounding at the load side of the output cable (class 3 grounding: 100Ω or less).
56 +
57 +*3: If electrical noise or a voltage ripple exists at the output, connect a smoothing capacitor of 0.1 to 0.47uF, 25V.
58 +
59 +*4: Connect the [[image:LX3V-4DA_html_521762f8994ba428.png]] terminal on the LX3V-4DA with the [[image:LX3V-4DA_html_521762f8994ba428.png]] terminal on the MPU of the programmable controller.
60 +
61 +*5: Shorting the voltage output terminal or connecting the current output load to the voltage output terminal may damage the LX3V-4DA.
62 +
63 +*6: The 24V DC service power of the programmable controller can also be used.
64 +
65 +*7: Don’t connect any unit to the unused terminal [[image:LX3V-4DA_html_9ea03e9f7e6e8562.png]]
66 +
53 53  = **4 Allocation of buffer memories (BFM)** =
54 54  
55 55  (% border="1" %)
56 -|=(% scope="row" %)**BFM**|=(% colspan="3" %)**Description**
57 -|=#0(E)|(% colspan="3" %)Output mode select. Factory setting H0000
58 -|=#1|Output data Channel CH1|(% colspan="2" rowspan="4" %)Channel output value, default: 0
59 -|=#2|Output data Channel CH2
60 -|=#3|Output data Channel CH3
61 -|=#4|Output data Channel CH4
62 -|=#5(E)|(% colspan="3" %)Holding mode
63 -|=#6|(% colspan="3" %)Reserved
64 -|=#7|(% colspan="3" %)Reserved
65 -|=#8(E)|(% colspan="3" %)Offset/gain setting command CH1,CH2 default :H0000
66 -|=#9(E)|(% colspan="3" %)Offset/gain setting command CH3,CH4 default :H0000
67 -|=#10|(% colspan="2" %)Offset data CH1*1|(% rowspan="8" %)(((
70 +|**BFM**|(% colspan="3" %)**Description**
71 +|#0(E)|(% colspan="3" %)Output mode select. Factory setting H0000
72 +|#1|Output data Channel CH1|(% colspan="2" rowspan="4" %)Channel output value, default: 0
73 +|#2|Output data Channel CH2
74 +|#3|Output data Channel CH3
75 +|#4|Output data Channel CH4
76 +|#5(E)|(% colspan="3" %)Holding mode
77 +|#6|(% colspan="3" %)Reserved
78 +|#7|(% colspan="3" %)Reserved
79 +|#8(E)|(% colspan="3" %)Offset/gain setting command CH1,CH2 default :H0000
80 +|#9(E)|(% colspan="3" %)Offset/gain setting command CH3,CH4 default :H0000
81 +|#10|(% colspan="2" %)Offset data CH1*1|(% rowspan="8" %)(((
68 68  Unit: mV or μA
69 69  
70 70  Default offset value:0
... ... @@ -73,110 +73,123 @@
73 73  
74 74  Output mode 0
75 75  )))
76 -|=#11|(% colspan="2" %)Gain data CH1*2
77 -|=#12|(% colspan="2" %)Offset data CH2*1
78 -|=#13|(% colspan="2" %)Gain data CH2*2
79 -|=#14|(% colspan="2" %)Offset data CH3*1
80 -|=#15|(% colspan="2" %)Gain data CH3*2
81 -|=#16|(% colspan="2" %)Offset data CH4*1
82 -|=#17|(% colspan="2" %)Gain data CH4*2
83 -|=#18,#19|(% colspan="3" %)Reserved
84 -|=#20(E)|(% colspan="3" %)Initialize, default: 0
85 -|=#21E|(% colspan="3" %)I/O characteristics adjustment inhibit (Initial value 1)
86 -|=#22-#28|(% colspan="3" %)Reserved
87 -|=#29|(% colspan="3" %)Error states
88 -|=#30|(% colspan="3" %)K3020 identification code
89 -|=#31|(% colspan="3" %)Software version
90 +|#11|(% colspan="2" %)Gain data CH1*2
91 +|#12|(% colspan="2" %)Offset data CH2*1
92 +|#13|(% colspan="2" %)Gain data CH2*2
93 +|#14|(% colspan="2" %)Offset data CH3*1
94 +|#15|(% colspan="2" %)Gain data CH3*2
95 +|#16|(% colspan="2" %)Offset data CH4*1
96 +|#17|(% colspan="2" %)Gain data CH4*2
97 +|#18,#19|(% colspan="3" %)Reserved
98 +|#20(E)|(% colspan="3" %)Initialize, default: 0
99 +|#21E|(% colspan="3" %)I/O characteristics adjustment inhibit (Initial value 1)
100 +|#22-#28|(% colspan="3" %)Reserved
101 +|#29|(% colspan="3" %)Error states
102 +|#30|(% colspan="3" %)K3020 identification code
103 +|#31|(% colspan="3" %)Software version
90 90  
91 91  * **Channel Select**
92 92  
93 93  The value of BFM #0 switches the analog output between voltage and current on each channel. It takes the form of a 4 digit hexadecimal number. The first digit will be the command for channel1 (CH1), and the second digit for channel 2 (CH2) etc. The numeric values of these four digits respectively represent the following items:
94 94  
95 -* O=0: Sets the voltage output mode (-10V to 10V);
96 -* O=1: Sets the current output mode (+4mA to +20mA);
97 -* O=2: Sets the current output mode (0mA to 20mA);
98 -* O=3: Channel OFF;
99 -* O=4: Sets the voltage output mode (-10V to 10V);
100 -* O=5: Sets the current output mode (+4mA to +20mA);
101 -* O=6: Sets the current output mode (0mA to 20mA);
109 +O=0: Sets the voltage output mode (-10V to 10V);
102 102  
111 +O=1: Sets the current output mode (+4mA to +20mA);
112 +
113 +O=2: Sets the current output mode (0mA to 20mA);
114 +
115 +O=3: Channel OFF;
116 +
117 +O=4: Sets the voltage output mode (-10V to 10V);
118 +
119 +O=5: Sets the current output mode (+4mA to +20mA);
120 +
121 +O=6: Sets the current output mode (0mA to 20mA);
122 +
103 103  **Example: H3310**
104 104  
105 -* CH1: voltage range (-10V to 10V);
106 -* CH2: voltage range (+4mA to +20mA);
107 -* CH3CH4: Channel OFF;
125 +CH1: voltage range (-10V to 10V);
108 108  
127 +CH2: voltage range (+4mA to +20mA);
128 +
129 +CH3CH4: Channel OFF;
130 +
109 109  (% border="1" %)
110 -|=(% scope="row" %)**BFM#0**|=**Analog mode**|=**Digital mode**|=**Resolution**|=**Gain/Offset**|=**Constant**
111 -|=0|-10V ~~ 10V|-2000 ~~2000|5mV|0/5000|1000
112 -|=1|4mA ~~ 20mA|0 ~~ 1000|16uA|4000/20000|1000
113 -|=2|0 ~~ 20mA|0 ~~ 1000|20uA|0/20000|1000
114 -|=3|Disable|~-~-|~-~-|~-~-|~-~-
115 -|=4|-10V ~~ 10V|-10000 ~~ 10000|1mV|0/5000|5000
116 -|=5|4mA ~~ 20mA|0 ~~ 2000|8uA|4000/20000|2000
117 -|=6|0 ~~ 20mA|0 ~~ 2000|10uA|0/20000|2000
132 +|**BFM#0**|**Analog mode**|**Digital mode**|**Resolution**|**Gain/Offset**|**Constant**
133 +|0|-10V ~~ 10V|-2000 ~~2000|5mV|0/5000|1000
134 +|1|4mA ~~ 20mA|0 ~~ 1000|16uA|4000/20000|1000
135 +|2|0 ~~ 20mA|0 ~~ 1000|20uA|0/20000|1000
136 +|3|Disable|~-~-|~-~-|~-~-|~-~-
137 +|4|-10V ~~ 10V|-10000 ~~ 10000|1mV|0/5000|5000
138 +|5|4mA ~~ 20mA|0 ~~ 2000|8uA|4000/20000|2000
139 +|6|0 ~~ 20mA|0 ~~ 2000|10uA|0/20000|2000
118 118  
119 -**[BFM #5]**
141 +* **[BFM #5]**
120 120  
121 121  Data holding mode: While the programmable controller is in the STOP mode, the last output value in the RUN mode will be held. To reset the value to the offset value, write the hexadecimal value in BFM #5 as follows:
122 122  
123 123  (((
124 -* O=0: Holds the output
125 -* O=1: Reset to the offset value
146 +O=0: Holds the output
126 126  
148 +O=1: Reset to the offset value
149 +
127 127  (% style="text-align:center" %)
128 -[[image:LX3V-4DA_html_1226aff1aed554b0.png||height="75" width="200" class="img-thumbnail"]]
151 +[[image:LX3V-4DA_html_1226aff1aed554b0.png||class="img-thumbnail" height="75" width="200"]]
129 129  )))
130 130  
131 131  **Example: H0011**
132 132  
133 -* CH1 and CH2=offset value;
134 -* CH3 and CH4=output holding;
156 +CH1 and CH2=offset value;
135 135  
136 -**[BFM #8 and #9]**
158 +CH3 and CH4=output holding;
137 137  
160 +* **[BFM #8 and #9]**
161 +
138 138  Offset/gain setting command: Changes offset and gain values of channels CH1 through CH4 by writing 1 to the corresponding Hex digits of BFM #8 or #9. The current values will be valid until this command is output.
139 139  
140 140  (((
141 -* O=0: No change done;
142 -* O=1: Change data value
165 +O=0: No change done;
143 143  
167 +O=1: Change data value
168 +
144 144  (% style="text-align:center" %)
145 -[[image:LX3V-4DA_html_7af7e1524e66e172.png||height="97" width="400" class="img-thumbnail"]]
170 +[[image:LX3V-4DA_html_7af7e1524e66e172.png||class="img-thumbnail" height="97" width="400"]]
146 146  )))
147 147  
148 -**[BFM #10 ~~ #17]**
173 +* **[BFM #10 ~~ #17]**
149 149  
150 150  Offset/gain data: The offset and gain values are changed by writing new data to BFM #10 through #17. The units of the data to be written are mV or µA. The data should be written and then BFM #8 and #9 set. Note that the data value will be rounded down to the nearest 5mV or 20µA.
151 151  
152 -**[BFM #20] Initialize**
177 +* **[BFM #20] Initialize**
153 153  
154 154  When K1 is written in BFM #20, all values will be initialized to the factory-settings. (Note that the BFM #20 data will override the BFM #21 data.) This initialize function is convenient if users have an error in adjustment.
155 155  
156 -**[BFM #21] I/O characteristics adjustment inhibit**
181 +* **[BFM #21] I/O characteristics adjustment inhibit**
157 157  
158 158  Setting BFM #21 to 2 inhibits the user from inadvertent adjustment of I/O characteristics. The adjustment inhibits function, once set, will be valid until the Permit command (BFM #21=1) is set. The initial value is 1 (Permit). The set value will be retained even after power-off.
159 159  
160 -**[BFM #29] Error status**
185 +* **[BFM #29] Error status**
161 161  
162 162  When an error occurs, use the FROM command to read out the details of the error.
163 163  
164 164  (% border="1" %)
165 -|=(% scope="row" style="width: 58px;" %)**Bit**|=(% style="width: 213px;" %)**Name**|=(% style="width: 463px;" %)**Status when bit is set to “1" (turned on)**|=(((
166 -**Status when bit is set to ”0" (turned off)**
190 +|**Bit**|**Name**|**Status when bit is set to “1" (turned on)**|(((
191 +**Status when bit is set to ”0"**
192 +
193 +**(turned off)**
167 167  )))
168 -|=(% style="width: 58px;" %)b0|(% style="width:213px" %)Error|(% style="width:463px" %)Error if any of b1 through b4 is turned on|No error
169 -|=(% style="width: 58px;" %)b1|(% style="width:213px" %)O/G error|(% style="width:463px" %)Offset/gain data in EEPROM is abnormal or a data setting error occurs|Offset/Gain data normal
170 -|=(% style="width: 58px;" %)b2|(% style="width:213px" %)Power supply error|(% style="width:463px" %)24V DC power failure|Power supplied normally
171 -|=(% style="width: 58px;" %)b3|(% style="width:213px" %)Hardware error|(% style="width:463px" %)Defective D/A converter or other hardware|Non-detective hardware
172 -|=(% style="width: 58px;" %)b10|(% style="width:213px" %)Range error|(% style="width:463px" %)The digital input or analog output value is out of the specified range|The input or output value is in the specified range.
173 -|=(% style="width: 58px;" %)b12|(% style="width:213px" %)G/O Adjustment prohibit status|(% style="width:463px" %)BFM #21 is not set to “1".|(((
195 +|b0|Error|Error if any of b1 through b4 is turned on|No error
196 +|b1|O/G error|Offset/gain data in EEPROM is abnormal or a data setting error occurs|Offset/Gain data normal
197 +|b2|Power supply error|24V DC power failure|Power supplied normally
198 +|b3|Hardware error|Defective D/A converter or other hardware|Non-detective hardware
199 +|b10|Range error|The digital input or analog output value is out of the specified range|The input or output value is in the specified range.
200 +|b12|G/O Adjustment prohibit status|BFM #21 is not set to “1".|(((
174 174  Adjustable status
175 175  
176 176  (BFM #21 = 1)
177 177  )))
178 178  
179 -**[BFM #30]**
206 +* **[BFM #30]**
180 180  
181 181  The identification code for a special block is read using the FROM command. The identification code for the LX3V-4DA unit is K3020.The MPU can use this facility in the program to identify the special block before commencing any data transfer from and to the special block.
182 182  
... ... @@ -191,12 +191,14 @@
191 191  
192 192  If the factory-set I/O characteristics are not changed and the status information is not used, user can operate the LX3V-4DA using the following simple program. For the FROM and TO commands, refer to the LX3V PLC Programming Manual.
193 193  
194 -1. CH1 and CH2: Voltage output mode (-10V to +10V);
195 -1. CH3: Current output mode (+4mA to +20mA);
196 -1. CH4: Current output mode (0mA to +20mA);
221 +CH1 and CH2: Voltage output mode (-10V to +10V);
197 197  
223 +CH3: Current output mode (+4mA to +20mA);
224 +
225 +CH4: Current output mode (0mA to +20mA);
226 +
198 198  (% style="text-align:center" %)
199 -[[image:LX3V-4DA_html_6cdc7105ddd85647.png||height="196" width="400" class="img-thumbnail"]]
228 +[[image:LX3V-4DA_html_6cdc7105ddd85647.png||class="img-thumbnail" height="196" width="400"]]
200 200  
201 201  **✎Note: **
202 202  
... ... @@ -208,12 +208,16 @@
208 208  
209 209  Write data in respective data registers while observing the following ranges:
210 210  
211 -* Data register D0 and D1: -2,000 to +2,000 Data register D2 and D3: 0 to +1,000
212 -* Data register D0→ BFM #1 (output to CH1)
213 -* Data register D1→ BFM #2 (output to CH2)
214 -* Data register D2→ BFM #3 (output to CH3)
215 -* Data register D3→ BFM #4 (output to CH4)
240 +Data register D0 and D1: -2,000 to +2,000 Data register D2 and D3: 0 to +1,000
216 216  
242 +Data register D0→ BFM #1 (output to CH1)
243 +
244 +Data register D1→ BFM #2 (output to CH2)
245 +
246 +Data register D2→ BFM #3 (output to CH3)
247 +
248 +Data register D3→ BFM #4 (output to CH4)
249 +
217 217  **Operation procedure**
218 218  
219 219  1. Turn off the power of the MPU, and then connect the LX3V-4DA. After that, wire the I/O lines of the LX3V-4DA.
... ... @@ -249,7 +249,7 @@
249 249  Output data abnormal
250 250  
251 251  (% style="text-align:center" %)
252 -[[image:LX3V-4DA_html_7a75142ebdd9b334.png||height="408" width="400" class="img-thumbnail"]]
285 +[[image:LX3V-4DA_html_7a75142ebdd9b334.png||class="img-thumbnail" height="408" width="400"]]
253 253  )))
254 254  
255 255  = **6 Caution regarding operation** =
... ... @@ -260,7 +260,7 @@
260 260  1. Check that there is no power overload on either the 5V or 24V power source, remember the loading on the LX3V MPU or a powered extension unit varies according to the number of extension blocks or special function blocks connected.
261 261  1. Put the main processing unit into RUN.(((
262 262  (% style="text-align:center" %)
263 -[[image:LX3V-4DA_html_40b4d6f7aabb6324.png||height="115" width="600" class="img-thumbnail"]]
296 +[[image:LX3V-4DA_html_40b4d6f7aabb6324.png||class="img-thumbnail" height="115" width="600"]]
264 264  )))
265 265  1. After turning on or off the 24 VDC power for analog signals, the analog output may fluctuate for approximately 1 second. This is due to time delays in the power supply from the MPU or differences in start time. For this reason, be sure to take preventive measures so that this output fluctuation will not affect the external units.
266 266  
... ... @@ -271,13 +271,16 @@
271 271  The standard characteristics (factory default) are shown by the solid lines in the figure below. These characteristics can be adjusted according to the conditions of the user’s system.
272 272  
273 273  (% style="text-align:center" %)
274 -[[image:LX3V-4DA_html_fb0ea795f3721075.png||height="354" width="1000" class="img-thumbnail"]]
307 +[[image:LX3V-4DA_html_fb0ea795f3721075.png||class="img-thumbnail" height="354" width="1000"]]
275 275  
276 -* Gain value: Analog output value when the digital input is +1,000;
277 -* Offset value: Analog output value when the digital input is 0;
278 -* When the slope of the I/O characteristic line is steep: slight changes to the digital input will greatly increase or reduce the analog output.
279 -* When the slope of the I/O characteristic line is gentle: slight changes to the digital input will not always change the analog output.
309 +Gain value: Analog output value when the digital input is +1,000;
280 280  
311 +Offset value: Analog output value when the digital input is 0;
312 +
313 +When the slope of the I/O characteristic line is steep: slight changes to the digital input will greatly increase or reduce the analog output.
314 +
315 +When the slope of the I/O characteristic line is gentle: slight changes to the digital input will not always change the analog output.
316 +
281 281  **Adjustment of I/O Characteristics**
282 282  
283 283  * To adjust the I/O characteristics, set the offset and gain of the LX3V-4DA either using push button switches connected to input terminals of the programmable controller or using the forced on/off function of a programming panel. To change the offset and gain, just change the conversion constants of the LX3V-4DA. Metering of the analog output is not needed for adjustment; however a program should be created in the MPU.
... ... @@ -284,40 +284,40 @@
284 284  * An example program for adjustment is shown below. The example shows that for channel CH2 of LX3V-4DA block No.1, the offset value is changed to 7 mA, and the gain value to 20 mA. Note that for CH1, CH3, and CH4.
285 285  
286 286  (% style="text-align:center" %)
287 -[[image:LX3V-4DA_html_4a8b657f5c76b2ee.png||height="558" width="800" class="img-thumbnail"]]
323 +[[image:LX3V-4DA_html_4a8b657f5c76b2ee.png||class="img-thumbnail" height="558" width="800"]]
288 288  
289 289  (% style="text-align:center" %)
290 -[[image:LX3V-4DA_html_c84bc0ab8f54de6f.png||height="252" width="300" class="img-thumbnail"]]
326 +[[image:LX3V-4DA_html_c84bc0ab8f54de6f.png||class="img-thumbnail" height="252" width="300"]]
291 291  
292 292  = **8 Outline of FROM and TO** =
293 293  
294 294  For a detailed description, please refer to the LX3V PLC programming manual.
295 295  
296 -**Read BFM**
332 +* **Read BFM**
297 297  
298 298  (((
299 299  BFM#30 of special unit No.1→D0
300 300  
301 301  (% style="text-align:center" %)
302 -[[image:LX3V-4DA_html_a1291f1fe8cf7f36.png||height="67" width="300" class="img-thumbnail"]]
338 +[[image:LX3V-4DA_html_a1291f1fe8cf7f36.png||class="img-thumbnail" height="67" width="300"]]
303 303  )))
304 304  
305 -* **m1:** Special unit or block number (K0 to K7, numbered from the MPU)
306 -* **m2:** Buffer memory head address (K0 to K31)
307 -* **D.:** Head device number of destination data. T, C, D, KnM, KnY, KnS, V and Z can be used to designate the head device. Each device number can be qualified using an index.
308 -* **n:** Number of transfer points (K1 to K32) (K1 to K16 for 32-bit command)
341 +1. **m1:** Special unit or block number (K0 to K7, numbered from the MPU)
342 +1. **m2:** Buffer memory head address (K0 to K31)
343 +1. **D.:** Head device number of destination data. T, C, D, KnM, KnY, KnS, V and Z can be used to designate the head device. Each device number can be qualified using an index.
344 +1. **n:** Number of transfer points (K1 to K32) (K1 to K16 for 32-bit command)
309 309  
310 -**Write BFM**
346 +* **Write BFM**
311 311  
312 312  (((
313 313  D2 and D3 →BFM#1 and #2 of special unit No.1
314 314  
315 315  (% style="text-align:center" %)
316 -[[image:LX3V-4DA_html_8a0cda9fad9fac35.png||height="67" width="300" class="img-thumbnail"]]
352 +[[image:LX3V-4DA_html_8a0cda9fad9fac35.png||class="img-thumbnail" height="67" width="300"]]
317 317  )))
318 318  
319 -* **m1, m2, n:** Same as read BFM
320 -* **S.: **Head device number of source data. T, C, D, KnX, KnM, KnY, KnS, V, Z, K and H can be used to designate the head device. Each device number can be qualified using an index.
355 +1. **m1, m2, n:** Same as read BFM
356 +1. **S.: **Head device number of source data. T, C, D, KnX, KnM, KnY, KnS, V, Z, K and H can be used to designate the head device. Each device number can be qualified using an index.
321 321  
322 322  When X010 and X011 are off, transfer will not be executed, therefore the destination data value will not be changed.
323 323  
... ... @@ -344,7 +344,7 @@
344 344  
345 345  On or off: The ambient conditions are not suitable for the LX3V-4DA, or the LX3V-4DA is defective.
346 346  
347 -* Check that the external load resistance connected to each analog output terminal does not exceed the capacity of the LX3V-4DA drive (voltage output: 2kΩ to 1 MΩ / current output: 500Ω).‘
348 -* Check the output voltage or current value using a voltmeter or ammeter, and confirm that the output meets the I/O characteristics. If the output does not meet the I/O characteristics, adjust the offset and gain again. Refer to section 8.
383 +1. Check that the external load resistance connected to each analog output terminal does not exceed the capacity of the LX3V-4DA drive (voltage output: 2kΩ to 1 MΩ / current output: 500Ω).‘
384 +1. Check the output voltage or current value using a voltmeter or ammeter, and confirm that the output meets the I/O characteristics. If the output does not meet the I/O characteristics, adjust the offset and gain again. Refer to section 8.
349 349  
350 350  To test the withstand voltage of the LX3V-4DA, connect all the terminals to the grounding terminal.