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Appendix
„Aktor M ST L Modbus“
18
101274584-V01.11.2019
318
uint16
Operating status /
Error
r
0x0000: Normal operation, no message
0x0001: Disturbance internal memory
0x0002: Disturbance internal AD conversion
0x0004: Disturbance valve adaptation
0x0008: Disturbance internal motor function
0x0010: P1 range excess
0x0020: P2 range excess
0x0040: Disturbance calculation/control functions
0x0080: Permanent blocking of the valve
0x0100: Command execution test run/adaptation active
319
uint16
Current flushing timer
r
Minutes remaining until flushing
320
uint16
Current valve an-
ti-blocking timer
r
Minutes remaining until valve anti-blocking
321
uint32
Operating time
r
Seconds
323
uint32
Travel counter
r
mm
400
uint16
Nominal value volume
flow (control signal)
r/w
0..10000 = 0..100%
401
uint16
Actual value volume
flow
r
0..10000 = 0..100%
402
uint16
Current calculated
volume flow
r
l/h
403
int16
Room temperature
r(w)
°C*10 (write protected in case of assigned source P1 or P2)
404
int16
Flow temperature
r/(w)
Current flow temperature in °C*10 (write protected in case
of assigned source P1 or P2)
405
int16
Return temperature
r/(w)
Current return temperature in °C*10 (write protected in case
of assigned source P1 or P2)
406
int16
Differential temperature r
Calculated difference from flow/return temperature register
in K*10
407
uint16
Leakage warning
r
0: No warning; 1: Leakage detected (valve closed for more
than 6h, differential temperature exceeding 8 K)
408
uint16
Digital contact 1
r
0/1
409
uint16
Digital contact 2
r
0/1
410
uint16
Current calculated
thermal output
r
kW*10 (display in cooling and heating mode without signs.)
411
uint16
Energy since 0 a.m.
r
kWh*10
412
uint16
Energy last 24h
r
kWh*10
413
uint16
Change-over status
r
0: Shut-off ; 1: Heating ; 2: Cooling
414
uint16
Current maximum vol-
ume flow
r
Current value in l/h
415
uint16
Initial value PI controller
r
0..100%
418
uint16
Nominal position
r
mm*10
419
uint16
Actual position
r
mm*10
420
uint16
Learned total travel
r
mm*10
424
int16
Sensor input P1
r
V*100,°C*10; 0/1
425
int16
Sensor input P2
r
V*100,°C*10; 0/1
426
uint16
Y output P2
r/w
Voltage value 0..1000 for output signal 0..10V (for configura
-
tion I/O type P2: 8: Y output 0..10V)