Operation - Siemens SIMATIC S7-1500 Manual

Operation

With the active backplane bus, you can remove and insert
• Plugging and unplugging I/O modules without reaction on the station or the CPU goes into
STOP,
• Plugging I/O modules into slots previously left free without the CPU going into STOP.
Pulling and plugging interface modules
The interface module cannot be pulled and plugged reaction-free.
The interface module must not be pulled or plugged under load.
Removing and inserting I/O modules
I/O modules can be pulled and inserted reaction-free.
1. The front connector of the I/O modules may only be disconnected and plugged when de-
energized.
2. For the I/O modules, pull the front connector out of the I/O module using the unlocking
strap. Swivel the front connector downward and remove it from the groves.
3. Then you may pull the I/O module.
4. When plugging in, proceed in reverse order (see also S7-1500 Automation System system
manual (https://support.industry.siemens.com/cs/ww/en/view/59191792)).
Pulling and plugging power supply module
A power supply module cannot be pulled and plugged without reaction.
A power supply module can only be pulled and plugged when de-energized.
Use in explosive area Zone 2
Pulling or plugging a module is prohibited in a potentially explosive atmosphere.
If you pull or plug a module or connector during operation, there is a risk of sparking. Sparks
can cause an explosion in the hazardous area. Death or serious bodily injury as well as
damage to property can be the result.
Do not pull or plug the module or the connectors until one of the following two conditions
is met: The area is no longer hazardous or the device and its plug connectors are de-
energized.
Active backplane bus ST 1+12 slot, active backplane bus ST 1+8 slot, active backplane bus ST 1+4 slot
Equipment Manual, 07/2020, A5E46240468-AB
WARNING
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