Description of I/O extension modules
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ERR LED
The red ERR LED indicates the error status, e.g., if a corresponding input module has not
been found.
3.3.5 Setting the I/O-MAP address
Use the thumbwheel to set the I/O-MAP address. The extension module in the Radioline
wireless system is addressed using the I/O-MAP address. You can assign a maximum of
01 ... 99 addresses to the I/O extension modules in the entire wireless network.
3.3.6 Process data in PLC/Modbus RTU mode
The process image of the I/O extension module consists of six data words. For additional
information, please refer to Section 3.3, “RAD-AO4-IFS - analog extension module with four
outputs”.
OFF No error
Flashing
Slow (1.4 Hz) I/O-MAP address changed
Fast (2.8 Hz) Wireless module in I/O data mode
– Missing input module
– No bus communication
Wireless module in PLC/Modbus RTU mode
– No Modbus communication (safe state of outputs,
depending on DIP switch setting)
ON Critical internal error
Table 3-6 Setting the I/O-MAP address for the RAD-AO4-IFS
Thumbwheel
setting
Description
01 ... 99 I/O-MAP address
00 Delivery state
**, 1* ... 9* Setting not permitted
*1 ... *9 Interface System slave address, for use with other
Interface System (IFS) master devices
I/O module Module type
ID
Number of
registers
Address area Function code
RAD-AO4-IFS 30
hex
06
hex
40xx0 ... 40xx5 fc 03, 16