installation &
operating instructions
Design Envelope 4322 & 4372
Tango Pumping Unit
31
function
code
start
address
modbus
register
description
# of
registers
change
during
operation
data
type
unit notes
read write
0×03 0×06
x 917 918 bms Modbus Version 1 n/a uint16 -
Version of the Armstrong Modbus registers
used.
x 918 919 Firmware Patch Version 1 n/a uint16 00
Patch version of the depc. To be appended to
firmware version register.
3.4 BACnet objects – version 2 - for firmware v1.17 and newer
object id object name read/write comments
Status
av:100 Actual Speed Read In RPM
av:101 Actual speed Read In %
av:102 Motor Power Read Unit as configured in Pump Control Module
av:103 Motor Input Voltage Read In Volts
av:104 Motor Input Current Read In Amps
av:105 Sensorless Head Read Unit as configured in Pump Control Module
av:106 Sensorless Flow Read Unit as configured in Pump Control Module
av:107 Total Flow Read Used for Parallel sensorless mode
av:108 Total Power Read Used for Parallel sensorless mode
av:109 No. Of Running Pumps Read Used for Parallel sensorless mode
av:110 Max Sensorless Flow Read Unit as configured in Pump Control Module
av:111 Max Sensorless Head Read Unit as configured in Pump Control Module
bv:2 Run Status Read 1 pump is running
Counters
av:275 Total Pump Running Hours Read
av:276 Trip Pump Running Hours Read/Write Writing 0 to this register resets the counter.
av:277 Total Controller Running Hours Read
av:278 Present Controller Running Hours Read The running hours since the controller was powered on.
av:279 Total Pump Running kWh Counter Read
av:280 Trip Pump Running kWh Counter Read/Write Writing 0 to this register resets the counter.
Control Settings
av:300 Control Mode Read
1 = Parallel; 2 = Inputs; 3 = Remote; 4 = Constant Flow; 5 = Constant Pressure;
6 = Linear Pressure; 7 = Quadratic Pressure; 8 = Quadratic Pressure with Maximum
Flow; 9 = Quadratic Pressure with Minimum Flow;
10 = Quadratic Pressure with Minimum and Maximum Flow
av:301 HOA State Read/Write 0 = OFF; 1 = Hand Mode; 2 = Auto
av:302 Active Parameters Read/Write 1 = standard; 2 = mode 1 (heating mode); 3 = mode 2 (cooling mode)
av:303 Minimum Speed Limit Read in RPM
av:304 Maximum Speed Limit Read in RPM
av:305 Hand Mode Speed Read/Write Unit as configured in Pump Control Module.
av:306 bms Set Speed Read/Write Unit as configured in Pump Control Module.
bv:14 Start/Stop Read/Write Start/stop of pump
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