Super Systems AC20 RS485 Modbus User Manual
Page 32
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TITLE: MODBUS/J-BUS Protocol for SSi’s- AC20 ENG. 824E REV. 1
BITS FOR DEVICE IN CONTROL MODE
ADDRESS
(decimal)
Display
R
W
R
JBus
Mod
Bus
DESCRIPTION
MNEM
CODE
E
A
D
I
T
E
212
211
Status tune
Range:
0 = No tune
1 = Tune
x
213
212
Status adaptive
Range:
0 = No adaptive
1 = Adaptive
x
214
213
Lock/unlock status
Range:
0 = Unlock device
1 = Lock device
Note:
See also ModBus word 349
x
217
216
Start probe test procedure
x
218
217
Start burn-off procedure
x
219
218
Local/remote device status
Range:
0 = Device in local
1 = Device in remote
x
x
220
219
Auto/manual function
Range:
0 = Auto
1 = Manual
x
x
222
221
Smart enable/disable
Range:
0 = Disable
1 = Enable
Note:
Reading, this bit is logical OR between Tune
(ModBus bit 211) and Adaptive status
(ModBus bit 212)
(“Sñrt”)
x
x
223
222
Manual reset/acknowledge of an alarm
condition
Range:
0 = No operation
1 = Reset alarm
(“ñ.Rst”)
x
224
223
Load default control parameters value
Range:
0 = No operation
1 = Load default
Note:
The command is accepted only if “Smart”
(ModBus bit 221) is not active.
The default value of group 7 (Serial link pa-
rameters) are not loaded.
x