C400 Series Operating Manual
2
Contents
Preface .........................................................................................................................................................................................................................................3
Features ...........................................................................................................................................................................................................................................3
Technical Specifications ...................................................................................................................................................................................................... 4
Typical Application .................................................................................................................................................................................................................. 4
Instrument Connection ........................................................................................................................................................................................................5
Dimension ......................................................................................................................................................................................................................................5
Instrument Installation .........................................................................................................................................................................................................6
Display Descriptions ...............................................................................................................................................................................................................7
Keypad Descriptions ...............................................................................................................................................................................................................7
Menu Structure ..........................................................................................................................................................................................................................8
Calibration ....................................................................................................................................................................................................................................10
Field Calibration ........................................................................................................................................................................................................................11
Measurement Settings (Quick Start) .........................................................................................................................................................................12
Temperature Calibration ....................................................................................................................................................................................................13
Point Calibration ......................................................................................................................................................................................................................14
Field Calibration .......................................................................................................................................................................................................................15
Relays ..............................................................................................................................................................................................................................................16
4-20mA Ouput ..........................................................................................................................................................................................................................17
RS485 Modbus ..........................................................................................................................................................................................................................18
System Setup .............................................................................................................................................................................................................................19
MODBUS RTU General Information ..........................................................................................................................................................................20
MODBUS RTU Transmission Mode .............................................................................................................................................................................21
MODBUS RTU CRC Check ............................................................................................................................................................................................... 22
Implementation of MODBUS RTU in Instrument .......................................................................................................................................... 22
Data Format...............................................................................................................................................................................................................................24
Read Instruction Mode ......................................................................................................................................................................................................26
Daily Maintenance ................................................................................................................................................................................................................26
Troubleshooting ......................................................................................................................................................................................................................27
Warranty .......................................................................................................................................................................................................................................27