YOKOGAWA FLXA402 Technical Information

Technical
Information
FLXA402 4-Wire Converter
MODBUS Communication
TI 12A01F01-62EN
TI 12A01F01-62EN
©Copyright Nov. 2018
1st Edition Nov. 2018
2nd Edition Apr. 2019
Yokogawa Electric Corporation
2-9-32, Nakacho, Musashino-shi, Tokyo, 180-8750 Japan
CONTENTS
1. General ....................................................................................................2
1.1 MODBUS setup ..................................................................................................2
1.2 MODBUS master................................................................................................3
1.3 Function code/Exception code ........................................................................3
1.4 MODBUS communication ................................................................................4
1.5 MODBUS password ..........................................................................................5
1.6 How to change SENCOM SA address ............................................................. 5
1.7 Connection ......................................................................................................... 5
2. MODBUS map .........................................................................................6
2.1 COIL: Coil register .............................................................................................7
2.2 INPUT_REGISTER: Input Register ..................................................................8
2.2.1 Status..................................................................................................................9
2.2.2 mA Output, mA Input, Contact Output, Contact Input ..................................... 10
2.2.3 HART ............................................................................................................... 10
2.2.4 Script .................................................................................................................11
2.2.5 Converter Alarm ...............................................................................................11
2.2.6 Sensor measured value .................................................................................. 12
2.3 HOLD_REGISTER............................................................................................14
2.3.1 Error setting (0- ) .............................................................................................. 14
2.3.2 mA input settings (1700-) ................................................................................ 18
2.3.3 Contact input settings (1800-) ......................................................................... 18
2.3.4 mA output settings (1000-) .............................................................................. 19
2.3.5 Contact output settings (1500-) ....................................................................... 21
2.3.6 Display settings (3000-) ................................................................................... 22
2.3.7 Display settings Script (3500-) ....................................................................... 24
2.3.8 Display settings Trend (3300-)....................................................................... 25
2.3.9 Display settings Others (3400-) ..................................................................... 26
2.3.10 Advanced settings MODBUS setting (2100-) ................................................ 26
2.3.11 Advanced settings HART setting (2000-) ...................................................... 27
2.3.12 Advanced settings Ethernet setting (2200-) .................................................. 28
2.3.13 Advanced settings Others setting (4000-) ..................................................... 28
2.3.14 MODBUS native (4200-) ................................................................................. 28
2.4 Identication ....................................................................................................29
3. Alarm ..................................................................................................... 31
3.1 Alarm list (Converter) ...................................................................................... 32
3.2 Alarm list (pH) ..................................................................................................34
3.3 Alarm list (SC) ..................................................................................................35
3.4 Alarm list (ISC) .................................................................................................36
3.5 Alarm list (DO)..................................................................................................37
Revision Information .....................................................................................38
FLEXA, FLXA, SENCOM and FieldMate are trademarks or registered trademarks of Yokogawa Electric Corporation.
All other company and product names mentioned in this document are trademarks or registered trademarks of their respective companies.

YOKOGAWA FLXA402 Specifications

General

Brand	YOKOGAWA
Model	FLXA402
Category	Media Converter
Language	English