Varec 2920 - Page 169

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MODBUSAppendix A — MODBUS Implementation

Varec, Inc. 159

5 Bit Field AlmStat (Tank Data > AlmStat)

Bit Usage

0 CRIT LO LEVEL

1 ADV LO LEVEL

2 ADV HI LEVEL

3 CRIT HI LEVEL

4 CRIT LO TEMP

5 ADV LO TEMP

6 ADV HI TEMP

7 CRIT HI TEMP

8 HW IN 1

9 HW IN 2

10 HW IN 3 *

11 NW IN 4 *

12 – 15 RESERVED

* when optional AC Power module is installed

6 Bit Field DiagStat (Tank Data > DiagStat)

Bit Usage

0 BAD LEVEL

1 BAD TEMP

2 – 15 RESERVED

7 Bit Field CmdsBit Usage

0 – 15 RESERVED

8 Integer FDISK (Encoder Data > FDisk)

9 Integer IDISK (Encoder Data > IDisk)

10 Scaled Crit Low Level Setpoint (MODBUS > CritLowLevel)

11 Scaled Adv Low Level Setpoint (MODBUS > AdvLowLevel)

12 Scaled Adv High Level Setpoint (MODBUS > AdvHighLevel)

13 Scaled Crit High Level Setpoint (MODBUS > CritHighLevel)

14 Scaled Level Deadband (MODBUS > LDeadband)

15 Scaled Crit Low Temp Setpoint (MODBUS > CritLowTemp)

16 Scaled Adv Low Temp Setpoint (MODBUS > AdvLowTemp)

17 Scaled Adv High Temp Setpoint (MODBUS > AdvHighTemp)

18 Scaled Crit High Temp Setpoint (MODBUS > CritHighTemp)

19 Scaled Temp Deadband (MODBUS > TDeadband)