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Changes for page 01 Precaution

Last modified by Joe on 2025/03/11 17:58
From version 61.1
edited by Jim
on 2023/04/06 09:15
Change comment: There is no comment for this version
To version 64.1
edited by Joe
on 2025/03/11 17:58
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Jim
1 +XWiki.joe
Content
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1 -= 1 Safety =
1 += Safety =
2 2  
3 3  Before installation, operation, maintenance, or inspection of this product, thoroughly read through and understand this manual and all of the associated manuals. Also, take care to handle the module properly and safely.
4 4  
5 -= 2 Design =
5 += Design =
6 6  
7 7  Make sure to have the following safety circuits outside of the PLC to ensure safe system operation even during external power supply problems or PLC failure.
8 8  
9 9  1. An emergency stop circuit, a protection circuit, an interlock circuit for opposite movements, and an interlock circuit (to prevent damage to the equipment at the upper and lower positioning limits).
10 -1. Note that when the PLC CPU detects an error, such as a watchdog timer error, during self-diagnosis, all outputs are turned off. Also, when an error that couldnot be detected by the PLC CPU occurs in an input/output control block, output control may be disabled. External circuits and mechanisms should be designed to ensure safe machinery operation in such a case.
10 +1. Note that when the PLC CPU detects an error, such as a watchdog timer error, during self-diagnosis, all outputs are turned off. Also, when an error that could not be detected by the PLC CPU occurs in an input/output control block, output control may be disabled. External circuits and mechanisms should be designed to ensure safe machinery operation in such a case.
11 11  1. Note that when an error occurs in a relay or transistor output device, the output could be held either on or off. For output signals that may lead to serious accidents, external circuits and mechanisms should be designed to ensure safe machinery operation in such a case.
12 12  
13 -= 3 Installation =
13 += Installation =
14 14  
15 15  Use the product within the generic environment specifications described in this manual. Never use the product in areas with excessive dust, oily smoke, conductive dusts, corrosive gas, flammable gas, vibration or impacts, or expose it to high temperature, condensation (extreme humidity), or rain, and strong wind. If the product is used in such conditions, electric shock, fire, malfunctions, deterioration or damage may occur.
16 16  
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131 131  (% style="text-align:center" %)
132 132  [[image:1635752425894-292.png||height="403" width="700" class="img-thumbnail"]]
133 133  
134 -= 4 Wiring =
134 += Wiring =
135 135  
136 136  1. PLC signal input and output could not be passed on the same cable;
137 137  1. Signal input cable and output cable could not be in the same pipe with another power cable, could not be bundled together;
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177 177  (% style="text-align:center" %)
178 178  [[image:1622440579389-255.png||height="681" width="900" class="img-thumbnail"]]
179 179  
180 +(% class="box infomessage" %)
181 +(((
182 +Note: The input loop in the figure is NPN connection. If S/S is connected to the 24V negative electrode and X is connected to the positive electrode, it  is PNP connection.
183 +)))
184 +
180 180  **LX3V-2416MT-D wiring demo**
181 181  
182 182  (% style="text-align:center" %)
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220 220  (% style="text-align:center" %)
221 221  [[image:1622440911145-424.png]]
222 222  
223 -= 5 Startup and maintenance =
228 += Startup and maintenance =
224 224  
225 225  (((
226 226  (% class="table-bordered" %)
... ... @@ -246,7 +246,7 @@
246 246  )))
247 247  )))
248 248  
249 -= 6 Maintenance and repair =
254 += Maintenance and repair =
250 250  
251 251  1. Periodic inspection: PLC is equipped with shorter life expectancy consumables;
252 252  1. For relay output, if it has high frequency of abnormal work or it drives large capacity load, please pay attention to its impact on PLC service life.