Siemens SIMATIC PCS 7 Configuration page 64

4 Function mechanisms
4.3 OS messages of the modules
Reporting behavior of a module with diagnostic capability (MOD_D1)
Possible module fault (output parameter QMODF = TRUE):
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External auxiliary voltage missing
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Front connector missing
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Module parameters not set
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incorrect parameters in module
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Missing/wrong module
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CPU communication fault
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Time monitoring activated (watchdog)
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Module internal supply voltage failure
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Rack failure
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Processor failure
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EPROM error
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RAM error
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ADC/DAC error
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Fuse blown
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Power supply 1: Fault
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Power supply 2: Fault
Possible channel fault ("invalid value" value status, OMODE_xx = 16#00xxxx):
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Configuration/parameter assignment error
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Common mode error, only analog input/output
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I/O short circuit
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Short-circuit to M
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Output transistor is interrupted
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Wire break
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Reference channel fault (only analog input)
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Below measuring range (only analog input)
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Above measuring range (only analog input)
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Missing load voltage (only analog and digital output)
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Missing encoder power supply (only digital output)
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Fuse blown (only digital output)
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Grounding fault (only digital input/output)
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Temperature rise (only digital output)
Configuration of Redundant I/O Modules
Entry-ID: 28430682, V2.0, 03/2015
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