Neptronic TUCB Series User Manual

Universal wall-mount controller. modbus communication module

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Universal Wall-Mount Controller

TUCB & TUHB Series

Modbus Communication Module User Guide

TUCB24C6X2 with Internal Temperature Sensor (6 binary/2 analog outputs)

TUHB24C6X2 with Internal Temperature and Humidity Sensor (6 binary/2 analog outputs)

TUXB-Modbus Guide-190515

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Summary of Contents for Neptronic TUCB Series

Page 1 Universal Wall-Mount Controller TUCB & TUHB Series Modbus Communication Module User Guide TUCB24C6X2 with Internal Temperature Sensor (6 binary/2 analog outputs) TUHB24C6X2 with Internal Temperature and Humidity Sensor (6 binary/2 analog outputs) TUXB-Modbus Guide-190515...
Page 2 Introduction ® The TUCB & TUHB Series Modbus Communication Module User Guide provides information for using the Neptronic controller communication feature. The uses Modbus communication protocol over serial line in the RTU mode and provides a Modbus network interface between client devices and Neptronic TUCB & TUHB Series devices.
Page 3: Holding Registers Table
Holding Register Table Register Description Data Type Range Writable Index Address - Neptronic ID and Modbus address of current 40000 Unsigned MSB = 22, LSB = 1-246 device. 0, 9600, 19200, 38400, or 57600, 0 = Auto Baud Rate Detection Unsigned 40001 MSTP Baud Rate.
Page 4 0 (open), 1 (close). Value x 100 (e.g. 3 V = 300/18°C = 1800 or 33ºF = 3300) Scale 100 Signed 40019 CO2 sensor value in ppm. Unit: ppm, 100 to 5000, Value x 1 (e.g. 500 ppm = 500) Scale 1 www.neptronic.com page | 4...
Page 5 Unit: %, Range: 0% to 100%, Value x 10 (e.g. 100% = 1000) Scale 10 Unsigned 40033 Analog output 2 value. Unit: %, Range: 0% to 100%, Value x 10 (e.g. 100% = 1000) Scale 10 www.neptronic.com page | 5...
Page 6 1 = Auto, 2 = Low, 3 = Med, 4 = High Signed 40038 Temperature setpoint in occupancy or day mode. Unit: ºC/ºF, Range: min to max setpoint, Value x 10 (e.g. 18°C = 180) Scale 10 www.neptronic.com page | 6...
Page 7 RH option is available) 0 = Off, 1 = On Only available on model TUHB24C6X2. B15: Time Mode B8: Cfg_UserSysOffModes 0 = 24h, 1 = 12h 0 = Enable, 1 = Disable www.neptronic.com page | 7...
Page 8 B1: Cfg_EMHOutput 0 = Disable, 1 = Enable B5: Cfg_Y2Output 0 = Disable, 1 = Enable B2: Cfg_ HeatPumpMode 0 = Off (General Unit), 1 = On (HeatPump) 40042 System option 4. Bit String [B0-B15]: Reserved www.neptronic.com page | 8...
Page 9 Value x 10 (e.g. 1ºC = 10 or 2ºF = 20) Unit: depends on system unit, 0ºC to 5ºC or 0ºF to 9ºF Unsigned 40059 Changeover deadband. Value x 10 (e.g. 1ºC = 10 or 2ºF = 20) Scale 10 www.neptronic.com page | 9...
Page 10 1 = Locally, 2 = OFF, 3 = Occupied, 4 = Unoccupied, 5 = Day, 6 = Night Unit: depends on system unit, Range: ± 5ºC or +/-9ºF Signed 40076 Internal temperature sensor offset correction. Value x 100 (e.g.2ºC = 200 or 3ºF = 300) Scale 100 www.neptronic.com page | 10...
Page 11 3 = Cooling 1 with fan 40086 Ramp to control analog output 1. Unsigned 10 = CO2 alarm 4 = Cooling 2 with fan 11 = 6 way valve 5 = Heating 1 with fan 6 = Heating 2 with fan www.neptronic.com page | 11...
Page 12 10 = CO2 alarm 5 = Heating 1 with fan Unsigned 40098 Delay before activation of BO2 in minutes. Unit: Minutes, Range: 0 to 15 Minutes, Value x 1 (e.g. 5 mins = 5) Scale 1 www.neptronic.com page | 12...
Page 13 5 = Heating 1 with fan 11 = FAN 6 = Heating 2 with fan Unsigned 40110 Delay before activation of BO5 in minutes. Unit: Minutes, Range: 0 to 15 Minutes, Value x 1 (e.g. 5 mins = 5) Scale 1 www.neptronic.com page | 13...
Page 14 5 = DirtyFilter 11 = NSB 6 = FlowSwitch 12 = Occupancy Unsigned 40119 Delay before activation of BI1 in seconds. Unit: Seconds, Range: 0 to 3600 seconds, Value x 1 (e.g. 20 secs = 20) Scale 1 www.neptronic.com page | 14...
Page 15 Unit: %RH, Range: ± 5%RH, Value x 10 (e.g. 2%RH = 20) Scale 10 Unsigned 40134 Voltage required for closing the 6-way valve. Unit: V, Range: 0 to 11 V, Value x 100 (e.g. 2V = 200) Scale 100 www.neptronic.com page | 15...
Page 16 Unsigned 40136 Unit: V, Range: 0 to 11 V, Value x 100 (e.g. 2V = 200) valve. Scale 100 6-way valve size selection in inches. 40137 Unsigned 1 = 1/2, 2 = 3/4, 3 = 1 www.neptronic.com page | 16...
Page 17 Notes...
Page 20 400 Lebeau blvd, Montreal, Qc, H4N 1R6, Canada neptronic.com Toll free in North America: 1-800-361-2308 Tel.: (514) 333-1433 Fax: (514) 333-3163 Customer service fax: (514) 333-1091 Monday to Friday: 8:00am to 5:00pm (Eastern time)

This manual is also suitable for:

Tuhb series Tucb24c6x2 Tuhb24c6x2