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Changes for page 01 Precaution

Last modified by Joe on 2025/03/11 17:58
From version 55.1
edited by Stone Wu
on 2022/07/29 16:08
Change comment: There is no comment for this version
To version 62.1
edited by Mora Zhou
on 2023/12/22 10:47
Change comment: There is no comment for this version

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1 -XWiki.Stone
1 +XWiki.Mora
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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  
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10 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.
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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123 123  (% style="text-align:center" %)
124 124  [[image:1635752362200-650.png||height="327" width="700" class="img-thumbnail"]]
125 125  
126 -(% style="text-align:center" %)
127 -[[image:1635752393636-867.png||height="226" width="700" class="img-thumbnail"]]
126 + [[image:企业微信截图_16807434674484.png||height="237" width="695"]]
128 128  
129 129  (% style="text-align:center" %)
130 130  [[image:1635752414702-735.png||height="132" width="700" class="img-thumbnail"]]
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132 132  (% style="text-align:center" %)
133 133  [[image:1635752425894-292.png||height="403" width="700" class="img-thumbnail"]]
134 134  
135 -= 4 Wiring =
134 += Wiring =
136 136  
137 137  1. PLC signal input and output could not be passed on the same cable;
138 138  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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221 221  (% style="text-align:center" %)
222 222  [[image:1622440911145-424.png]]
223 223  
224 -= 5 Startup and maintenance =
223 += Startup and maintenance =
225 225  
226 226  (((
227 227  (% class="table-bordered" %)
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247 247  )))
248 248  )))
249 249  
250 -= 6 Maintenance and repair =
249 += Maintenance and repair =
251 251  
252 252  1. Periodic inspection: PLC is equipped with shorter life expectancy consumables;
253 253  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.
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