Table Of Contents - Macurco MRS-485 User Instructions

Macurco MRS-485 Modbus RS-485 Adapter

Table of Contents

1 General Safety Information .................................................................................................................... 4
1.1 List of warnings ............................................................................................................................... 4
2 Use Instructions and Limitations ............................................................................................................ 4
2.1 Use For ........................................................................................................................................... 5
2.2 Do NOT use for ............................................................................................................................... 5
2.3 Features .......................................................................................................................................... 5
2.4 Specifications .................................................................................................................................. 6
3 Installation Instructions.......................................................................................................................... 6
3.1 Location .......................................................................................................................................... 7
3.2 Installation ...................................................................................................................................... 7
3.3 Connection ..................................................................................................................................... 8
3.4 Wiring ............................................................................................................................................. 9
3.4.1 Signal Wire ........................................................................................................................ 9
3.4.2 Topology ......................................................................................................................... 10
3.4.3 Length............................................................................................................................. 11
3.4.4 Grounding ....................................................................................................................... 11
3.4.5 Power Wire ..................................................................................................................... 11
4 Configuration ....................................................................................................................................... 12
4.1 Dip Switches and Addressing......................................................................................................... 12
4.2 Changing MRS-485 Settings .......................................................................................................... 13
4.3 Programming Mode ...................................................................................................................... 13
5 Operations ........................................................................................................................................... 16
5.1 Power up ...................................................................................................................................... 16
5.2 4-20mA Loop ................................................................................................................................ 17
5.3 Normal Operation ......................................................................................................................... 17
6 Troubleshooting ................................................................................................................................... 17
6.1 On-Board Diagnostics .................................................................................................................... 17
6.1.1 Unknown Sensor Code .................................................................................................... 17
6.1.2 Error Codes ..................................................................................................................... 18
6.2 DIP Switch Settings Codes ............................................................................................................. 18
REV - 1.0 [34-2900-0019-8] 2 | P a g e