32 Process Image
WAGO-I/O-SYSTEM 750
750-439 8DI NAMUR Ex i
Manual
Version 1.3.0, valid from HW Version 03, SW Version 03
Output byte D0 is used to determine whether a make contact or a break contact
should be processed as sensor.
Table 22: Output Byte D0 (Enable Sensor Type NC)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
NC_ENA
8
NC_ENA
7
NC_ENA
6
NC_ENA
5
NC_ENA
4
NC_ENA
3
NC_ENA
2
NC_ENA
1
NC_ENA1
Sensor type IN1
0:
NO
1:
NC
NC_ENA2
Sensor type IN2
0:
NO
1:
NC
NC_ENA3
Sensor type IN3
0:
NO
1:
NC
NC_ENA4
Sensor type IN4
0:
NO
1:
NC
NC_ENA5
Sensor type IN5
0:
NO
1:
NC
NC_ENA6
Sensor type IN6
0:
NO
1:
NC
NC_ENA7
Sensor type IN7
0:
NO
1:
NC
NC_ENA8
Sensor type IN8
0:
NO
1:
NC
Legend
ENA: “enabled”
NC: Break contact (“Normally Closed”)
NO: Make contact (“Normally Open”)
Output byte D1 is used to determine channel by channel whether diagnostics
should be evaluated.
If only one contact is to be monitored instead of a NAMUR sensor, for example,
the respective LED diagnostics can be switched off using output byte D1.
