CS Instruments DS 500 Modbus Installation And Operating Instructions

Side 1 of 50 EN - English Modbus Installation and operating instructions Intelligent paperless recorder DS 500 ...

Side 2 of 50 I. Foreword Dear customer, thank you very much for deciding in favour of the DS 500. Please read this installation and operation manual carefully before mounting and initiating the device and follow our advice. A riskless operation and a correct functioning of the DS 500 are only guaranteed in case of careful observation of ...

DS 500 V1.13 Side 3 of 50 II. Table of contents I. Foreword ....................................................................................................................... 2 1 Safety instructions ........................................................................................................ 5 2 Instructions ................ ...

Side 4 of 50 9.1 APPENDIX A - Exception codes .......................................................................................... 50 ...

Side 5 of 50 1 Safety instructions Please check whether this manual corresponds with the device type. Please attend to all notes indicated in this instruction manual. It contains essential information which has to be followed during installation, operation and maintenance. Therefore this instruction manual has to be read cate ...

Side 6 of 50 This manual is intended to provide instructions for the installation and use of the DS 500 MODBUS function. The DS 500 MODBUS function can let the MODBUS master device to read out the online measurement values. This manual is not intended to be a complete tutorial on the MODBUS RTU protocol, and it is assumed the end user already ha ...

Side 7 of 50 Device type Slave Baud Rates 1200,2400, 4800, 9600, 19200, 38400 bps Device address range 1...247 Electrical Interface RS485, 2 wire (Internal Connector X4.1) Protocol RTU Supported function code 3 read holding register 16 write multiple register Broadcast No Standard Modbus over serial line V1.02 3.2 DS500 MODBUS/ TCP Specification ...

Side 8 of 50 Modbus serial line. RTU mode Modbus Application Data Unit (ADU) frame is shown below, and is valid for both requests and responses. Slave address Function code Data CRC 1 byte 1byte 0 up to 252 byte(s) 2 bytes Table 1 Further details of the Modbus protocol can be found in Reference 1 and 2. 3.3.2 Ethernet transmission modes The DS 5 ...

Side 9 of 50 4 Installation 4.1 RS485 bus wiring (Modbus RTU) – Connection diagram DS500V1 X1.1: power supply X2.1, X2.2: for internal use X3.1 - X3.4: alarm relay 1 – 4 X4.1, S4.1: for CAN, RS485, R120 configuration XA.1 - XA.4: sensor channels 1 – 4 X4.1 A B GND Y Z S4.1 RS485 HALF S2, S3, S7 ON TERMINATING 120R S1 ON D ...

Side 10 of 50 4.2 RS485 bus wiring (Modbus RTU) – Connection diagram DS500V2 X1.1: power supply X2.1, X2.2: for internal use X3.1 - X3.4: alarm relay 1 – 4 X4.1: RS485, XA.1 - XA.4: sensor channels 1 – 4 X4.1 5 4 3 2 1 5= A (+) 4=B (-) 3=GND 1= A (+) 2=B (-) Slave 1 Slave n A B Common T T R R Master T R 5 4 3 2 1 X4.1 DS ...