Extension Board for MODBUS on SMARTCON Control Unit
DS-ENGLISH-MODBUS-V2.01-2019.05.15 4 Specification of Input and Output Data
4.1.2 Command
Register number: 2, address 0001
Hex
Data format: 16 bit (Bitfield)
Bitno.: Function: Description:
Bit = 0 Bit = 1
0 OPEN - OPEN in REMOTE mode.
1 CLOSE - CLOSE in REMOTE mode.
2 STOP - STOP in REMOTE mode.
3
EMERGENCY-
OPEN
- EMERGENCY-OPEN in REMOTE & LOCAL mode.
4
EMERGENCY-
CLOSE
- EMERGENCY-CLOSE in REMOTE & LOCAL mode.
5 BLOCK -
Blocking the actuator in REMOTE & LOCAL mode.
Actuator can neither be controlled through the switch on the
device nor through commands over REMOTE nor
MODBUS-RTU.
6 POSITIONER OFF - Deactivating the positioner in REMOTE mode.
7 WATCHDOG
Togglebit for buswatchdog. Bit has to toggle before specified time-out or
a buswatchdog error will be detected.
8 OPEN-SH -
Latched OPEN in REMOTE mode.
Release with STOP.
9 CLOSE-SH -
Latched CLOSE in REMOTE mode.
Release with STOP.
10 LOCK-OPEN -
Locks OPEN (in REMOTE and LOCAL mode)
Actuator carries out a latched OPEN command with highest
priority which can only be released with LOCK-OFF, power-off or
mode OFF.
11 LOCK-CLOSE -
Locks CLOSE (in REMOTE and LOCAL mode)
Actuator carries out a latched CLOSE command with highest
priority which can only be released with LOCK-OFF, power-off or
mode OFF.
12 LOCK-OFF - Releases the lock.
13 BLOCK LOCAL -
Blocking the actuator in mode LOCAL.
Actuator can’t be moved with selection switch.
14 FAILSAFE - Trigger FAILSAFE-Unit (if available).
15 OVERRIDE - Binary inputs will not be processed.
7
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