GEM 4242 Operating Instructions Manual page 29

15 Specific data – AS-Interface
AS-Interface specification: ASi-5 Spec. V1.04 Rev. 1
15.1 Cyclical process data
15.1.1 Inputs
Byte (address)
0
1 to 2
Device-side digital output signals can be used to output various statuses, such as limit values / errors / alarms.
Function of digital
outputs 1 to 8
(slave outputs)
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Inputs (Slave → Master)
Bit
DI0
DI1
DI2
DI3
DI4
DI5
DI6
DI7
DI8 to DI21
→ The statuses are set in the corresponding parameters
0 Off
1 Indication of OPEN position
2 Indication of CLOSED position Valve position CLOSED feedback
3 Error output
4 Warning message output
5 Indication of operating mode
6
Default setting
Indication of OPEN position
Indication of CLOSED position 0 = process valve not in
Indication of operating mode
Off
Off
Off
Off
Off
Current valve position (0 to
1000)
Without function
Valve position OPEN feedback
Signals an active error
Signals an active warning
Feedback of the active operating mode → normal opera-
tion / initialisation active
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15 Specific data – AS-Interface
Logic
0 = process valve not in OPEN
position
1 = process valve in OPEN pos-
ition
CLOSED position
1 = process valve in CLOSED
position
0 = normal operation
1 = active initialization
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GEMÜ 4242