SCT-40 Signal Conditioning Transmitter

As of: Wednesday, July 30, 2025

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Standard Features

LCD display
Supports up to eight independent reading channels for load cells
Displays weight, configuration, calibration and error conditions
DIN rail mounting
Theoretical calibration, real-weight calibration and linear calibration
Push-button or preset tare
Converts digital weight to analog output or optional DeviceNet™, Profibus™, EtherNet/IP™, PROFINET and Modbus TCP protocols
Supports ASCII or MODBUS RTU protocols
Bit swapping selection for little endian and endian format
Three digital inputs, five digital outputs
One serial port, RS-485 half duplex or RS-232 transmit-only connection

SCT-40AN only

Full scale analog output with zero setting and PLC correction of analog signal

Approvals

WARNING: Cancer and Reproductive Harm California Proposition 65

Compact, Reliable Digital Weight Transmitter

The SCT-40 features an LCD display to clearly view weights from up to eight load cells. Display options for weight, configuration calibration and error conditions provide flexibility so operators can see exactly what they need. This signal conditioner can convert data to analog, serial or fieldbus protocol outputs.

SCT-40 Weigh Transmitter Specifications

Power:
Input: 12 to 24 VDC

Power Consumption:
5 W

Excitation Voltage:
5 VDC, 240 mA, 16 x 350 ohm load cells

Analog Signal Input Range:
± 39 mV

Analog Signal Sensitivity:
0.3 μV/graduation minimum
1.0 μV/graduation recommended

A/D Sample Rate:
600 Hz

Resolution:
Internal: 16,000,000 counts
Display: 999,999

System linearity:
± 0.01% full scale

Digital I/O:
3 inputs 5 to 24 VDC, 5 outputs, 115 VAC/150 mA

Communication Ports
RS-232 transmit only, or RS-485 half duplex
Supports up to 115,200 bps

Analog Output (SCT-40AN only):
Opto isolated, 16 bit
0-20 mA, 4-20 mA (max 300 ohm)
0-10 VDC, 0-5 VDC (min 10 k ohm)

Display:
Backlit graphic LCD, transmissive
128 × 64 pixel resolution, 60 x 32 mm visible area

Keys/Buttons:
Five-key tactile keypad
test, zero, tare, print menu, escape, left and up, navigator, enter

Dimensions:
(L × W × H)
5.82 × 3.62 × 2.36 in
(148 × 92 × 60 mm)

Temperature:
Operating: -4 °F to 140 °F (-20 °C to 60 °C)

Humidity:
85% non-condensing

Rating/Material:
DIN rail mount: NEMA Type 1

Weight:
1 lb (0.5 kg)

Warranty:
One-year limited

Approvals:
cULus Recognized

Parts

Part #	Description

170470	Indicator,Converter SCT40 SCT40-AN, 12-24VDC, Analog Output, and RS485/232 Serial Port, DIN Mount.
170471	Indicator,Convertor SCT40 SCT40-DN, 12-24VDC, DeviceNet Output, And RS485/232 Serial Port, DIN Mount
170472	Indicator,Convertor SCT40 SCT40-PB, 12-24VDC, ProfiBus Output, And RS485/232 Serial Port, DIN Mount
170473	Indicator,Convertor SCT40 SCT40-IP, 12-24VDC, EtherNet/IP, And RS485/232 Serial Port, DIN Mount
170474	Indicator,Convertor SCT40 SCT40-TCP, 12-24VDC, TCP/IP Output, And RS485/232 Serial Port, DIN Mount
170475	Indicator,Convertor SCT40 SCT40-MB, 12-24VDC, ModBus/TCP Output, And RS485/232 Serial Port, DIN Mount
170476	Indicator,Convertor SCT40 SCT40-PN, 12-24VDC, ProfiNet Output, And RS485/232 Serial Port, DIN Mount

Options

Part #	Description

88792	Power Supply,IDEC 12VDC DIN Rail Mount, 1.3 Amp, Input: 85 to 264 VAC, 100 to 370 VDC 15W
119244	Power Supply,24VDC 1.3A Din Mount Input 90 to 264VAC,120 to 370VDC, UL E135494
131128	Lit,Manual SCT 20 Series SCT Weight Transmitter