Siemens SIMATIC S7-1500 Manual page 11

Description
2.2 Properties
Properties
The active backplane bus can be used with:
Designation
IM 155-5 PN HF
Digital input modules DI and F-DI
Digital output modules DQ and F-
DQ
Analog input modules AI
Analog output modules AQ
System power supply
Technology modules
Communications modules
The active backplane bus supports:
• Identification data I&M0 to 3
• Firmware update
• Prioritized startup
The following restriction applies for operating with the active backplane bus
Pulling and plugging during operation (hotswap) cannot be performed in isochronous mode.
If any I/O module is plugged or unplugged in a station configured for isochronous mode, the
connection to the controller is re-established and the I/O modules are temporarily
inaccessible.
Maximum configuration
In addition to the interface module, the active backplane bus can be equipped with a
maximum of:
•
•
• 4 modules for the active backplane bus ST 1+4
Accessories
You order the following accessories separately:
• Slot protection
• Mounting rail
See also Spare parts/accessories (Page 25)
10
Article number
6ES7155-5AA00-0AC0
See List of I/O modules (Page 26)
12 modules for the active backplane bus ST 1+12
8 modules for the active backplane bus ST 1+8
Active backplane bus ST 1+12 slot, active backplane bus ST 1+8 slot, active backplane bus ST 1+4 slot
As of hardware functional
status
FS01
Equipment Manual, 07/2020, A5E46240468-AB
as of firmware version
V4.4