753-1630 SMI Master Module 230 V AC
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5.2
Extended Control/Status Byte
The SMI master module also has an extended control/status byte.
Table 18: Control byte C1
Bit 7
-
-
Controller
failure
monitoring
Energy saving
mode
Controller
locking
Table 19: Status Byte S1
Bit 7
DI
-
Forced position Forced position:
Energy saving
mode
Controller
locking
DI
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Control byte C1
Bit 6
Bit 5
Bit 4
-
-
-
Not used
Heartbeat of the PLC for controller failure monitoring
Energy saving mode:
0 – Deactivate energy saving function
1 – Activate energy saving function
Controller locking:
0 – Deactivate
1 – Activate
Bit 6
Bit 5
Bit 4
-
-
-
Not used
0 – Inactive
1 – Active
Energy saving mode:
0 – Inactive
1 – Active
Controller locking:
0 – Inactive
1 – Active
Status of the digital input:
0 – Low
1 – High
Bit 3
Bit 2
-
Controller
locking
Status Byte S1
Bit 3
Bit 2
-
Controller
locking
Version 1.2.0 FW/HW Version 02/01
Process Image
41
Bit 1
Bit 0
Energy
Controller
saving mode
failure
monitoring
Bit 1
Bit 0
Energy
Forced
saving mode
position
Manual