Siemens SIMATIC ET 200S Manual page 243

9.4 IM151-1 FO STANDARD interface module
(6ES7151-1AB02-0AB0)
Order number
6ES7151-1AB02-0AB0
Features
The IM151-1 FO STANDARD interface module has the following features:
• It connects the ET 200S with PROFIBUS-DP via the fiber-optic cable interface
• It prepares the data for the electronic modules and motor starters that are fitted.
• It supplies the backplane bus.
• The PROFIBUS-DP address of the ET 200S can be set by means of switches.
• If the 24 VDC power supply is disconnected, the IM151-1 FO STANDARD
interface module is also disconnected.
• The maximum address space is 128 bytes for inputs and 128 bytes for outputs.
• The reference potential M of the supply voltage of the IM151-1 FO STANDARD
to the rail (protective conductor) is connected by means of an RC combination,
thus permitting an ungrounded configuration.
• It can be operated as a DPV0 slave.
• A maximum of 63 modules can be operated with the IM151-1 FO STANDARD.
• The maximum bus length is 2 m (can be set).
• Supports option handling (see Section 3.8) and the status byte for power
modules.
ET 200S Distributed I/O System
EWA-4NEB780602402-09
Interface Modules
9-13