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SCT-4X-MODBUS TCP/IP
Quick Start Guide
May 25, 2023
PN 219719 Rev A

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Summary of Contents for Rice Lake SCT-4X-MODBUS TCP/IP

  • Page 1 SCT-4X-MODBUS TCP/IP Quick Start Guide May 25, 2023 PN 219719 Rev A...
  • Page 2: Electrical Schematic

    4.5 W max. INPUT: 12 to 48 Vdc OUTPUT: 48Vac or 60Vdc, 0.5 A max RS485 TERM Internal use RS485 16 17 Manuals are available from Rice Lake Weighing Systems at www.ricelake.com/manuals Warranty information is available at www.ricelake.com/warranties Visit our website www.RiceLake.com...
  • Page 3: Key Functions

    ON/Standby of the instrument. 3. Indicator Light Descriptions Weight on zero. Unstable weight. A tare is active. A function is active. Digital output 1 is active. Digital output 2 is active. © Rice Lake Weighing Systems • All Rights Reserved...
  • Page 4: Configuration Menu

    SCT-4X-MODBUS TCP/IP 4. Configuration Menu 1. Reboot the weight transmitter 2. Press the key when display shows the 888888 message: HOW TO EXIT THE MENU AND SAVE YOUR CONFIGURATION 888888 TYPE Press key repeatedly until save? appears; press to save or press to exit without saving.
  • Page 5: Function Mode

    Type = ind.Ch CELL 4 CELL 3 CELL 2 CELL 1 n.Chan = 1 to 4 ZERO TARE MODE PRINT INPUT RELA YS FIELDBUS MODBUS TCP/IP Chan = 1 to 4 © Rice Lake Weighing Systems • All Rights Reserved...
  • Page 6: Theoretical Calibration

    SCT-4X-MODBUS TCP/IP 6. Maximum Scale Capacity, Increment and Decimal Point Settings 888888 div.deC Set the decimal point position and the minimum scale increment* div.deC 0,001 0,002 0,005 0,01 0,02 0,05 div.deC CapaC Set the maximum scale capacity* 999999 (max Examples: For a 60000 lb scale, with 2 lb For a 10000 g scale, with 0.1 g increment:...
  • Page 7 It allows to verify signal of each channel. It must be included into the range 0 to 3 mV/V. adC.uv Signal have to be stable and it have to increase by increasing the weight on the scale. With more channels connected, it’s possible to scroll between channels with keys © Rice Lake Weighing Systems • All Rights Reserved...
  • Page 8: Inputs Settings

    SCT-4X-MODBUS TCP/IP 11. Inputs Settings 888888 div.deC inpus div.deC inp.01 INP.02 inp.02 none Input disabled. dis.key When input is active, transmitter keyboard is locked. When input is active, transmitter reboots. Emulation of key. prin Emulation of key. mode Emulation of key.
  • Page 9: Fieldbus Settings

    14. Fieldbus Settings 888888 div.deC FLDBUS div.deC Fb.ini mb.Cp Fb.Se? Set the IP address: Fb.Se div.deC Au.CfG Dynamic IP address. ip.add Static IP address. div.deC ne.msk Subnet mask. Ga.way Default gateway. © Rice Lake Weighing Systems • All Rights Reserved...
  • Page 10 SCT-4X-MODBUS TCP/IP 15. Load Cell Exclusion (for dependent channel systems) If a load cell is broken, it’s possible to temporarily exclude the channel where it is connected and continue to weigh, pending replacement. WARNING: this operation reduces the accuracy of the weighing system. We recommend use for liquid weighing or in applications where the load is evenly distributed.
  • Page 11: Programming Errors

    A/D converter error Converter failure. Reboot the instrument. Cel.err Global load cell error Signal anomaly: check the load cells connection. Er.Cel.1 Load cell error Signal anomaly: check the indicated load cell connection. Er.Cel.4 © Rice Lake Weighing Systems • All Rights Reserved...
  • Page 12: Modbus Tcp

    SCT-4X-MODBUS TCP/IP 19. Modbus TCP 19.1 MODBUS TCP REGISTERS - dep.CH / ind.ch (1 SCALE) Data Register DESCRIPTION 30001 Gross weight Bytes 1, 2, 3 and 4 contain the Gross Weight value. 30003 30005 Net weight Bytes 5, 6, 7 and 8 contain the Net Weight value.
  • Page 13 Bytes 24, 25, 26 and 27 contain the Gross Weight of scale 3. scale 3 30014 30015 Gross weight Bytes 28, 29, 30 and 31 contain the Gross Weight of scale 4. scale 4 30016 © Rice Lake Weighing Systems • All Rights Reserved...
  • Page 14 SCT-4X-MODBUS TCP/IP 19.3 DEVICENET REGISTERS FOR COMMAND SENDING Data Register DESCRIPTION Main available commands: Value Command 00 Hex No command 01 Hex Scale zeroing 02 Hex Tare Command 30001 03 Hex Preset Tare 0A Hex Setpoint 1 setting 0B Hex...
  • Page 16 © Rice Lake Weighing Systems Content subject to change without notice. 230 W. Coleman St. • Rice Lake, WI 54868 • USA USA: 800-472-6703 • International: +1-715-234-9171 May 25, 2023 PN 219719 Rev A www.ricelake.com...

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