60 Diagnostics
753-1630 SMI Master Module 230 V AC
Manual
Version 1.2.0 FW/HW Version 02/01
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9
Diagnostics
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The behavior of the SMI master module if a diagnostic is present depends on the
configuration. The diagnostics can be globally activated or deactivated in the
WAGO SMI Configurator and via IEC function blocks.
The diagnostic function is activated by default.
If there is a diagnostic, the SMI master module displays a general error.
Depending on the detected diagnostic, maximum one corresponding status but
can also be set. Therefore, the diagnostics have a prioritization. If there are
multiple errors, the diagnostic with the higher prioritization is displayed (see also
section “Process Image” > “Status Byte”).
The SMI master module provides diagnostics for the following events:
• Controller failure
• Forced position active
• Undervoltage field supply
• Short circuit of SMI connections
In addition to the diagnostics, the SMI master outputs non-deactivatable status
messages in process data communication via a bit in the extended status byte to
the following events:
• Energy saving mode active
• Controller locking active
• Status of the digital input
The table below shows the statuses of the SMI master module with possible
diagnostics and status messages.
Table 24: Overview of the Diagnostics and Status Messages of the SMI Master Module
Status byte
Extended
status byte
Diagnostics
Status bit 6
(general error)
Set bit
Set bit
1
–
–
Controller failure
1
Bit 3
–
Undervoltage field supply
1
Bit 4
–
Short circuit of SMI connections
1
–
Bit 0
Forced position active
0
–
Bit 1
Energy saving mode active
0
–
Bit 2
Controller locking active
0
–
Bit 8
Status of the digital input
