Mechanical Limit Switch Modules 6Dr4004-6K And -8K - Siemens SIPART PS2 Operating Instructions Manual

5.2.3.4

Mechanical limit switch modules 6DR4004-6K and -8K

Supply with hazardous voltage
If you connect the switching contacts of the 6DR4004-8K module to a hazardous voltage,
observe the following safety rules:
1. Isolate the device from power. Use a circuit breaker positioned near the device to do this.
2. Make sure that the device cannot be switched back on inadvertently.
3. Make sure the device is truly isolated from power.
Maximum AC/DC switching voltage with UL approval E344532
Mechanic Limit Switches (MLS) 6DR4004-6K/-8K are approved for use with positioners with
UL approval. The maximum switching voltage in this case is ≤ 30 V AC/DC.
If switching voltages greater than 30 V are connected, the UL approval for the positioner
becomes invalid.
Connection diagram for mechanical limit switch modules 6DR4004-6K and -8K
①
Non-hazardous area
②
Hazardous area
③
Mechanical limit switch module
④
Fault message
Figure 5-9 Mechanical limit switch module
SIPART PS2 with PROFIBUS PA
Operating Instructions, 05/2019, A5E00127926-AC
DANGER
CAUTION
⑤
Limit
⑥
Switching amplifier
⑦
Switching output
Non Ex = Non-explosion-proof device version
Connect
5.2 Electrical wiring
87