Siemens Simatic S7-400 - Manual (Page 280)

Analog Modules
5-64
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Diagnostic Messages of the Analog Input Modules
The table below gives an overview of the diagnostic messages for the analog input
modules with diagnostics capability.
You can find out which diagnostic messages are possible with which modules in
the Appendix entitled “Diagnostic Data of the Signal Modules”.
Table 5-46 Diagnostic Messages of the Analog Input Modules
Diagnostic Message LED Diagnostics
Effective for
Parameters Can
Be Assigned
Module problem INTF/EXTF Module No
Internal malfunction INTF Module No
External malfunction EXTF Module No
Channel error present INTF/EXTF Module No
External auxiliary supply missing EXTF Module No
Front connector missing EXTF Module No
Module not parameterized. INTF Module No
Wrong parameters INTF Module No
Channel information available INTF/EXTF Module No
Coding key incorrect or missing INTF Module No
Thermocouple connection fault EXTF Module No
STOP operating mode – Module No
EPROM error INTF Module No
RAM error INTF Module No
ADC/DAC error INTF Module No
Hardware interrupt lost INTF Module No
Configuring/parameter
assignment error INTF
Channel No
Short-circuit to M EXTF Channel Yes
Wire break EXTF Channel Yes
Reference channel error EXTF Channel Yes
Underflow EXTF Channel Yes
Overflow EXTF Channel Yes
User connection not wired EXTF Channel No
Open conductor in + direction EXTF Channel No
Open conductor in – direction EXTF Channel No
Run time calibration error EXTF Channel No
Underrange or overrange EXTF Channel No
Open conductor in the current
source EXTF Channel No
User calibration doesn’t
correspond to the parameter
assignment EXTF Channel No