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Contents
1. Introduction........................................................................................................................... 4
2. Hardware .............................................................................................................................. 7
2.1 Specifications .............................................................................................................. 7
2.2 Appearance & Settings ................................................................................................ 8
iSN-101 Appearance.......................................................................................................... 8
iSN-104 Appearance........................................................................................................ 10
2.3 Connector for Power/ RS-485 / Liquid Leak Detection Cable / Relay Output............. 11
2.4 Pin Assignments ........................................................................................................ 14
2.5 Wire Connections ...................................................................................................... 15
2.6 Application ................................................................................................................ 16
2.7 Dimensions (unit: mm) .............................................................................................. 18
3. Configuration via RS-485 .................................................................................................... 19
Appendix A: DCON Command Sets ....................................................................................... 26
A-1. iSN-101/104 DCON Command Sets ........................................................................ 26
Appendix B: ModbusMasterToolPC ........................................................................................ 31
Appendix C: Modbus Address Table ....................................................................................... 35
C-1. iSN-101/104 Modbus Address Mappings (Base 1) ................................................... 35
Revision History ..................................................................................................................... 38