nilan CTS 602 Installation And User Manual
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Summary of Contents for nilan CTS 602
- Page 1 Installation and User Guide User manual CTS 602 by Nilan VPM 360 Modbus Version: 3.00 19-10-2016 → Software-version: 2.35...
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Page 2: Table Of Contents
The following information describes how to connect to Nilan CTS 602 controls by means of a RS485 connection: Table of Contents Connection: ............................... 2 Setup: ................................2 Supported functions: ............................2 Register layout: ..............................3 Register groups ............................3 Input registers:............................4 Holding registers: ............................. -
Page 3: Connection
Setup: Protocol Modbus (RTU mode), see http://www.modbus.org/specs.php Node address Default 30, Address is selectable between 1 and 247 To be changed I SERVICE Menu. Device type CTS 602 is a Modbus slave Baud rate 19.200 Databits Stopbits Parity Even Packet size Max. -
Page 4: Register Layout
Register layout: Register addresses are specified as decimal numerals. Input registers are placed in the address area 30001..39999. Holding registers are placed in the address area 40001..49999. NOTE: In the following tables, the register addresses applied in the MODBUS messages are without the global offset. -
Page 5: Input Registers
Input registers: Name Addres Scale Unit Description Used to plant type Bus.Version Protocol version number All plants App.VersionMajor text Software version - major (2 All plants character ascii text) App.VersionMinor text Software version - minor (2 All plants character ascii text) App.VersionRelease text Software version - release (2... - Page 6 Input.T9_Heater °C Heating surface temperature VPL-VPM-Comfort- Comforti Input.T10_Extern °C External room temperature All plants Input.T11_Top °C Hot water top temperature VGU-VP-Compact Input.T12_Bottom °C Hot water bottom temperature VGU-VP-Compact Input.T13_Return °C EK return temperature VGU-VP Input.T14_Supply °C EK supply temperature VGU-VP Input.T15_Room °C User panel room temperature...
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Page 7: Time
Control.State 1002 Actual control state 0 : Off 1 : Shift 2 : Stop 3 : Start 4 : Standby 5 : Ventilation stop 6 : Ventilation 7 : Heating 8 : Cooling 9 : Hot water 10 : Legionella 11 : Cooling + hot water 12 : Central heating 13 : Defrost... - Page 8 CentralHeat.HeatExt 1800 °C Actual setpoint for external All plants heating source Display.LED_1 2000 User panel indicator light All plants Display.LED_2 2001 (reserved future use) All plants Display.Text_1_2 2002 ascii Text line 1 character 1-2 All plants Display.Text_3_4 2003 ascii All plants Display.Text_5_6 2004 ascii...
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Page 9: Holding Registers
Holding registers: Name Address Scale Unit Description Used to plant type Bus.Address Protocol node address (default = All plants Output.AirFlap Air flap VPL-VPM-VGU-VP- Comfort-Comforti Output.SmokeFlap Fire/Smoke flap VPM-Comforti Output.BypassOpen Bypass flap open Compact-Comfort- Comforti Output.BypassClose Bypass flap close Compact-Comfort- Comforti Output.AirCircPump Air heat circulation pump VPM-Comfort-Comforti... -
Page 10: Week Program
Output.CenHeatCap Central heater capacity VGU-VP Output.CprCap Compresor capacity VPL-VPM-VGU-VP- Compact Output.PreHeatCap Preheater capacity or earth tube VPcCoB air intake fan speed Time.Second Second All plants Time.Minute Minute All plants Time.Hour Hour All plants Time.Day All plants Time.Month Month All plants Time.Year yyyy Year... -
Page 11: User Functions
Program.User2Func VPL-VGU-VP-Compact- Comfort Program.User2Time VPL-VGU-VP-Compact- Comfort Program.User2VentS VPL-VGU-VP-Compact- Comfort Program.User2Temp VPL-VGU-VP-Compact- Comfort Program.User2OffsS VPL-VGU-VP-Compact- Comfort Control.Type 1000 Machine type select Do not use Control.RunSet 1001 User on / off select (=ON/OFF All plants keys) 0 : Off (user functions can still activate operation) 1 : On Control.ModeSet... -
Page 12: Airflow
AirFlow.CoolVent 1101 Step Cooling high ventilation step VPL-VPM-VP-Compact- Comfort-Comforti Select weekly air damper AirFlow.TestSelect 1102 position self-test Comfort-Comforti Once enabled, the function cannot be deactivated 0: Off 1: Wednesday 0400 2: Wednesday 1200 AirFlow.LastTestDay 1103 Date of last air damper position Comfort-Comforti test Bit word packed in DOS date format (see IR 402 format) - Page 13 HotWater.TempSet_ 1700 °C Top temperature setpoint VGU-VP-Compact (electric) HotWater.TempSet_ 1701 °C Bottom temperature setpoint VGU-VP-Compact (compressor) CentralHeat.HeatExt 1800 °C External heating offset from VPL-VP-Compact- room temperature setpoint VPcCoB- AirQual.RH_VentLo 1910 Step Humidity low winter step select All plants AirQual.RH_VentHi 1911 Step Humidity high step select All plants...
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Page 14: Communication Example
Communication example The sample shown below is a general Modbus communication example, and is not specific for this device. Request: 0b041000000e75a4 Response: 0b041cffff0000095008b0e4a80014000b000108e108f1ffff000f0002fff39f8e’ Request (Input register) 0x0b Slave addr 1 byte 0x04 Function code 1 byte 0x1000 Start addr 2 bytes 0x000e Quantity 2 bytes... -
Page 15: Alarm List
Alarm list Alarms are divided into these categories: LOG: Information only visible in Alarm Log and Data Log INFO: Information can be confirmed with the same WARNING: Warning, may become critical if the problem are not corrected CRITICAL: Operation is stopped until the fault is corrected and the alarm is acknowledged Restart (automatic restart when errors are OK, if selected by menu) Self clearing (when receipted pending state again is OK) See specification and user manual for each plant for a further description of alarms. -
Page 16: Compressor
CRITICAL Compressor Unexpected low evaporator temp T6, due to too low airflow (only for Compact / Combi plants) SLAVE IO CRITICAL + System (not relevant for the CTS 602) OPT IO INFO + SC System Options Module missing PRESET INFO... -
Page 17: Connection Diagram
Connection diagram Side 16 af 16 All rights reserved...
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