Hach-Lange SC 100 - Manual (Page 51)

Modbus Protocol
47
Setup/Relay 1 Source 40050
Unsigned
Integer
1 R/W
Selects data source for this relay
(0 = None; 1 = Real Time Clock;
2 = Sensor; 4 = Calculation)
Setup/Relay 1 Sensor Select 40051
Unsigned
Integer
1 R/W
Selects Sensor source when
Source = Sensor
(0 = Sensor1; 1 = Sensor2)
Setup/Relay 1
Measurement
Select
40052
Unsigned
Integer
1 R/W
Selects measurement on the Sensor
(0 = Meas1 .. 3 = Meas4)
Setup/Relay 1 Type 40053
Unsigned
Integer
1 R/W
Selects the relay type
(0 = Alarm; 1 = Control;
2 = Status; 3 = Timer; 4 = Event)
Setup/Relay 1
Transfer
Setting
40054
Unsigned
Integer
1 R/W
Selects the transfer value for the relays
(0 = De-energized; 1 = Energized)
Setup/Relay 1/Alarm High Alarm 40055 Float 2 R/W Sets the high alarm setpoint
Setup/Relay 1/Alarm Low Alarm 40057 Float 2 R/W Sets the low alarm setpoint
Setup/Relay 1/Alarm
High
Deadband
40059 Float 2 R/W Sets the high alarm deadband
Setup/Relay 1/Alarm
Low
Deadband
40061 Float 2 R/W Sets the low alarm deadband
Setup/Relay 1/Alarm On Delay 40063
Unsigned
Integer
1 R/W Sets the on delay time
Setup/Relay 1/Alarm Off Delay 40064
Unsigned
Integer
1 R/W Sets the off delay time
Setup/Relay 1/Control Setpoint 40065 Float 2 R/W Sets the controller setpoint
Setup/Relay 1/Control Phase 40067
Unsigned
Integer
1 R/W
Sets the controller phase
(0 = Low; 1 = High)
Setup/Relay 1/Control Deadband 40068 Float 2 R/W Sets the controller deadband
Setup/Relay 1/Control
Overfeed
Timer
40070
Unsigned
Integer
1 R/W Sets the overfeed timer value (mins)
Setup/Relay 1/Control On Delay 40071
Unsigned
Integer
1 R/W Sets the on delay time (sec)
Setup/Relay 1/Control Off Delay 40072
Unsigned
Integer
1 R/W Sets the off delay time (sec)
Setup/Relay 1/Control
Reset
Overfeed
Timer
40073
Unsigned
Integer
1 R/W Resets the overfeed timer
Setup/Relay 1/Event Setpoint 40074 Float 2 R/W Sets the event setpoint
Setup/Relay 1/Event Phase 40076
Unsigned
Integer
1 R/W Sets the event phase (0 = Low; 1 = High)
Setup/Relay 1/Event Deadband 40077 Float 2 R/W Sets the event deadband
Setup/Relay 1/Event On Max Time 40079
Unsigned
Integer
1 R/W Sets the max on time (mins)
Setup/Relay 1/Event On Min Time 40080
Unsigned
Integer
1 R/W Sets the min on time (mins)
Setup/Relay 1/Event Off Max Time 40081
Unsigned
Integer
1 R/W Sets the max off time (mins)
Setup/Relay 1/Event Off Min Time 40082
Unsigned
Integer
1 R/W Sets the min off time (mins)
Table 9: sc100 Modbus Registers (continued)
Group Name Tag Name Register # Data Type Length R/W Description