Diagnostics - Siemens SIMATIC RF120C Operating Instructions Manual

5.2

Diagnostics

NOTICE
The diagnostics options are limited
Error messages that the RF120C communications module forwards automatically to the
SIMATIC controller are not evaluated by S7-1200 controllers with firmware version 4.0. For
this reason error messages from the communications module are displayed neither on the
controller nor in the TIA Portal. This error eliminated by an update of the SIMATIC
controller. The error display using the function block is not affected by this restriction in
diagnostics.
You have the following diagnostics options available for the module:
● The LEDs of the module
● STEP 7 Basic / Professional using the TIA Portal: Diagnostics functions in the "Online &
● Evaluation with the standard GET_DIAG instruction
● Evaluation based on the ERROR and STATUS output parameters
Diagnostics with the TIA Portal (STEP 7 Basic / Professional)
Follow the steps below to read out the diagnostics status of the RF120C:
1. Start the TIA Portal in the project view.
2. Open the "Local modules" folder in the project tree.
3. Right-click on the required RF120C and select the "Online & diagnostics" entry in the
4. Select the "Diagnostics" option.
Communications module RF120C with application blocks for S7-1200 and S7-1500
Operating Instructions, 07/2013, C79000-G8976-C328-01
For information on the LED displays, refer to the section "LED status display on the
RF120C (Page 47)".
diagnostics" menu
Here, you can obtain static information on the selected module:
– General information on the module
– Diagnostics status
You will find more detailed information on the parameters in the sections "Ident
instructions (Page 30)" and Error messages (Page 52)".
shortcut menu.
The identifier and the firmware version of the RF120C is displayed below the "General"
entry.
Under the "Diagnostic status" entry, you can see the current status of the RF120C.
Service and maintenance
5.2 Diagnostics
49