nilan CTS 602 Installation And User Guide

All rights reserved Side 2 af 16
Connection:
The Modbus is connected to PIN 2,3,6 on CN7 placed next to the USB port of the printed circuit
board
Pin 1
12 VDC output
Pin 2
COM1 - RS 485 A - Modbus
Pin 3
COM1 - RS 485 B - Modbus
Pin 4
COM2 - RS 485 A - User panel
Pin 5
COM2 - RS 485 B - User panel
Pin 6
Ground
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
8
Stopbits
1
Parity
Even
Packet size
Max. 255 bytes
The communication speed and parameter can not be changed.
Supported functions:
Input and holding registers are supported.
All registers are 16 bit size.
The controller will respond to the below listed Modbus message functions only.
Please note that no other function codes are supported.
Function
Name
Description
03
Read Holding Registers
Read one or more holding registers
04
Read Input Registers
Read one or more input registers
16
Preset Multiple Registers
Write one or more holding registers

nilan CTS 602 Specifications

General

Brand	nilan
Model	CTS 602
Category	Control Panel
Language	English