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SCT-20 Signal Conditioning Transmitter

  • Space saving, vertical shape with DIN-rail mounting
  • Displays weight, configuration, calibration and error conditions
  • Theoretical calibration, real-weigh calibration, linearity calibration
  • Push-button or preset tare
  • Converts digital weight to analog output or optional DeviceNet™ or Profibus™ or EtherNet/IP™ protocol
  • Supports ASCII or MODBUS-RTU protocols
  • Full-scale analog output with zero setting and PLC correction of analog signal
  • Bit swapping selection for little endian and big endian format
  • Two digital inputs, three digital outputs
  • One serial port, RS-232 transmit only, or RS-485 half duplex connection

Approvals

Some approval documents are available to view by clicking the icons below.

NTEP Logo UL-Recognized_C-US

WARNING: Cancer and Reproductive Harm California Proposition 65

Space-saving Digital Weight Transmitter

The SCT-20 is a compact solution for gathering weight data from scales. The signal transmitter powers up to eight load cells and has pushbutton or preset tare options to keep scales accurate. Data can be converted to analog, or optional DeviceNet™, Profibus™ and EtherNet/IP™ protocol outputs.

Power:
Input: 12 to 24 VDC

Power Consumption:
5 W

Excitation Voltage:
5 VDC, 120 mA, 8 × 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:
300 Hz

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

System linearity:
± 0.01% full scale

Digital I/O:
2 inputs 5 to 24 VDC, 3 outputs 115 VAC/150 mA
N.O. or N.C. (dry contact)

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

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

Display:
0.3 in (8 mm), six-digit, seven-segment LED
Annunciators: Net, center of zero, stability, kg, g, lb

Keys/Buttons:
4-key membrane panel, tactile feel
zero, tare, print, menu, escape, left and up navigation, enter

Dimensions
(W × H × D)
4.72 × 4.52 × 0.98 in
(120 × 115 × 25 mm)

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

Humidity:
85% non-condensing

Rating/Material:
Enclosure: NEMA Type 1 plastic pluggable connectors

Weight:
1 lb (0.5 kg)

Warranty:
One-year limited

Approvals:
NTEP CC 14-083
cULus Recognized

Resources/Downloads

Title View Email Category Type
Ingredients of Success View Email Indicators / Controllers|Platform Scales Application Story

Title Download Email
SCT-20 Catalog Page Download Email

Title Size Download Email Category
SCT-20 Profinet I/O 2.6 KB Download Email Indicators / Controllers
SCT-20 Profibus GSD File 7.9 KB Download Email Indicators / Controllers
EtherNet/IP file (EDS) for SCT-20 single port RJ45 1.3 KB Download Email Indicators / Controllers
EtherNet/IP file (EDS) for SCT-20 dual port RJ45 1.6 KB Download Email Indicators / Controllers
SCT-20 DeviceNet EDS File 954 B Download Email Indicators / Controllers

Title Version Revision Download Email Category Archived
SCT-20 Weight Transmitter Technical Manual L Download Email Indicators / Controllers|Weight Indicators No

Title Collateral Wizard Request Download Email Category
SCT-20 Signal Conditioning Transmitter Download Email Indicators / Controllers|Weight Indicators
Rice Lake Weight Indicator Product Guide Request Download Email Indicators / Controllers|Weight Indicators
6 Step Integrated Crane Weighing Component Selector Guide Request Download Email MSI Crane Scales|Overhead Weighing Systems
Container Weighing Solutions Request Download Email MSI Crane Scales|Overhead Weighing Systems

Title View Download Email Category
SCT-10/20/30: Basic Setup and Calibration View Download Email Indicators / Controllers

Title Download Email
SCT-20 Enclosure (CAD Drawing) Download Email
SCT-20 Enclosure (Line Drawing) Download Email

Parts

Part # Description List Price Cart/Quote
129396 Indicator,Convertor SCT20 SCT20-AN, 12-24VDC, Analog Output, and RS485/232 Serial Port, DIN Mount

List Price: $600.00

129397 Indicator,Convertor SCT20 SCT20-DN,12-24VDC, DeviceNet Output, and RS485/232 Serial Port, DIN Mount

List Price: $725.00

129558 Indicator,Convertor SCT20 SCT20-PB, 12-24VDC, Profbus DP with RS485/232, DIN Rail Mount.

List Price: $785.00

129398 Indicator,Convertor SCT20 SCT20-IP, 12-24VDC, Ethernet IP, and RS485/232 Serial Port, DIN Mount

List Price: $1,000.00

132534 Indicator,Convertor SCT20 SCT20-TCP/IP, 12-24VDC, Ethernet TCP/IP and RS485/232 Serial Port DIN Mount

List Price: $1,055.00

156903 Indicator,Convertor SCT20 SCT20-MB, 12-24VDC, Modbus/TCP Output and RS485/232 Serial Port, DIN Mount, SCT-20

List Price: $1,000.00

131128 Lit,Manual SCT 20 Series SCT Weight Transmitter

List Price: $25.00

Options

Part # Description List Price Cart/Quote
88792 Power Supply,IDEC 12VDC DIN Rail Mount, 1.3 Amp, Input: 85 to 264 VAC, 100 to 370 VDC 15W

List Price: $140.00

119244 Power Supply,24VDC 1.3A Din Mount Input 90 to 264VAC,120 to 370VDC, UL E135494

List Price: $160.00

Related Products

RL-SCT-2200-signal-transmitter

SCT-2200 Signal Conditioning Transmitter

For PLC systems that require weight data from a scale, Rice Lake’s compact SCT transmitters deliver equivalent signal-conditioning function without the cost or bulk of a full size weight indicator/controller.