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Neptronic SKE4 User Manual
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Neptronic SKE4 User Manual

Steam humidifier. modbus communication module.
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SKE4 Steam Humidifier
Modbus Communication Module User Guide
SKE4-Modbus Guide-190110

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Summary of Contents for Neptronic SKE4

  • Page 1 SKE4 Steam Humidifier Modbus Communication Module User Guide SKE4-Modbus Guide-190110...
  • Page 2 Slave device busy  Serial Line. The SKE4 Steam Humidifier Modbus over serial line uses RTU transmission mode over a two-wire configuration RS485 (EIA/TIA-485 standard) physical layer. The physical layer can use fixed baud rate selection or automatic baud rate detection (default) as per the Modbus Auto Baud Rate device menu item or holding register index 1.

  • Page 3: Modbus Registers

    SKE4 Steam Humidifier Modbus Communication Module User Guide Modbus Registers Table Glossary Name Description Name Description Writable Register ASCII For registers containing ASCII (8-bit) characters Read Only Register Most Significant Byte Unsigned For range of values from 0 to 65,535, unless otherwise specified...
  • Page 4 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value Product Actual Firmware Version (in Integer Unsigned 400008 1 to 65535 (e.g. 100) x100) Scale 100 Product Actual EEPROM Version (in Integer...
  • Page 5 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value Unsigned 0 to 3300 2011 402012 Current Sensor 2 Signal Scale 1000 Value x 1000 (e.g. 1V = 1000)
  • Page 6 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value Signed -1000 to 1000 6008 406009 Water Temperature Bias Scale 100 Value x 100 (e.g. 10C = 1000)
  • Page 7 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value Unsigned 0 to 10000 6022 406023 Room RH Network Reading Scale 100 Value x 100 (e.g. 10% hum = 1000)
  • Page 8 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value Unsigned 1 to 15 6036 406037 Control Network Timeout (0) Scale 1 Value x 1 (e.g. 5min = 5)
  • Page 9 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value 6052 406053 Boiler Service Run Time (1) 0 to 2147483647 6053 406054 Boiler Service Run Time (2) 0 to 2147483647...
  • Page 10 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value Unsigned 1 to 7 6067 406068 Boiler Idle Tank Rinse Interval Scale 1 Value x 1 (e.g. 1 day = 1)
  • Page 11 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value Unsigned 0 = Closed 10005 410006 Thermal Cutout Closed Scale 1 1 = Open 0 = No Unsigned...
  • Page 12 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value 0 = Off Unsigned 11008 411009 Heater Stage 1 Scale 1 1 = On 0 = Off Unsigned...
  • Page 13 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value Unsigned 0 = Not Allowed 12006 412007 Boiler Service Operation Allowed 1 = Allowed Scale 1 Unsigned 0 = Off...
  • Page 14 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value 0 = None Unsigned 15007 415008 Supply High Limit Reading Source 1 = SuppyHLRH None Scale 1 2 = Network...
  • Page 15 SKE4 Steam Humidifier Modbus Communication Module User Guide Protocol Holding Default Description Data Type Units, Limits, State Texts Writable Base Register Value Unsigned 0 = Off 15018 415019 Boiler Idle Tank Rinse On 1 = On Scale 1 Unsigned 0 = Off...
  • Page 16 400 Lebeau blvd, Montreal, Qc, H4N 1R6, Canada www.neptronic.com Toll free in North America: 1-800-361-2308 Tel.: (514) 333-1433 Fax: (514) 333-3163 Customer service fax: (514) 333-1091 Monday to Friday: 8:00am to 5:00pm (Eastern time)