March 2021
Installation, Operation and Maintenance Manual
MDE 254 Rev. 1
Device Variables48
Section 9: Device Variables
9.4 Device Variable 1: Actuator Status (1)
This variable describes the status of the actuator. It’s a bit_enumerated variable,
it’s not possible to write this data. The possible values are:
Table 137.
Bit Description
b0 Close Limit
b1 Open Limit
b2 Closing
b3 Opening
b4 ESD / PST Active
b5 Local Selector in REMOTE
b6 Local Selector in LOCAL
b7 Local Selector in OFF
b8 Interlock Open Active
b9 Interlock Close Active
b10 Fail Safe Action Active
b11 Reserved
b12 Reserved
b13 Reserved
b14 Reserved
b15 Reserved
b16 Monitor Relay
b17 Motion Inhibited
b18 DIN1
b19 DIN2
b20 DIN3
b21 DIN4
b22 DIN5
b23 DIN6
b24 AUX in Open
b25 AUX in Close
b26 AUX in Stop
b27 AUX in Bus-on
b28 Hardwired Mode Active
b29 Positioner Active
b30 Reserved
b31 Reserved
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