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Series SC1 Process/Temperature Alarm Switch Module

Brand: Dwyer Instruments, LLC

The Series SC1090 Thermocouple Limit/Alarm Switch Modules are on-off or limit switches with selectable process signal.

Input type, scale range, output action, and output type are all selectable by the user in the field. 

All selections are made through easily accessible switches without the need to open the product. Each unit has two form C (SPDT) relays which can operate independently, or be logically connected to operate as a DPDT output.

A two color LED indicator indicates the status of each output relay.

These units mount easily on a standard 35 mm DIN rail. Low Voltage (SCLXXXX) units are also available.
Features
  • Accepts Current, Voltage, Thermocouple, or RTD Inputs
  • Mounts on Standard 35 mm DIN Rail
  • Two color LED indicator to indicate the status of each output relay
  • Programmable input type, scale range, output action, and output type

1 - 6 of 6 Part Numbers
SC1090
SC1090
DWYER Process/alarm Switch Module, 85 to 265 VDC/VAC Power Supply.
  • Power Supply - 85 to 265 Vdc/Vac
  • Input - 4-20 mA, 10 to 50 mA, 0 to 20 mA, 0 to 10 V, -10 to 10 mV
SC1290
SC1290
DWYER Thermocouple Input Limit/alarm Switch Module.
  • Power Supply - 85 to 265 Vdc/Vac
  • Input - Thermocouple Type J, K, R, S, T, E
SC1490
SC1490
DWYER RTD Input Limit/alarm Switch Module.
  • Power Supply - 85 to 265 Vdc/Vac
  • Input - RTD Pt1000 Ni100, Ni120, Cu10, Ni-Fe1000, Ni-Fe2000
SCL1090
SCL1090
  • Power Supply - 12-24 Vdc/Vac
  • Input - 4-20 mA, 10 to 50 mA, 0 to 20 mA, 0 to 10 V, -10 to 10 mV
SCL1290
SCL1290
  • Power Supply - 12-24 Vdc/Vac
  • Input - Thermocouple Type J, K, R, S, T, E
SCL1490
SCL1490
  • Power Supply - 12-24 Vdc/Vac
  • Input - RTD Pt1000 Ni100, Ni120, Cu10, Ni-Fe1000, Ni-Fe2000
1 - 6 of 6 Part Numbers

Specifications

Deadband

  • 0.25 to 100 % of Span Adjustable

Electrical Connectors

  • Screw Driven Compression Typical

Indication

  • Green Indication Light - Relay Off (LED)
  • Red Status Light - Relay on (LED)

Input

  • 0-10 V
  • 0-20 mA
  • -10-10 mV
  • 10-50 mA
  • 4-20 mA
  • RTD 1,000 ohm Pt, 100 ohm Ni, 120 ohm Ni, 10 ohm Cu
  • Thermocouple Typical J, K, R, S, T, E

Input Impedance

  • 1 Megaohm - Voltage Input
  • 10 ohms - Current Input
  • 3 megaohms

Isolation

  • 1500 Vrms between Outputs, Input & Power

Mounting

  • DIN Rail (35 mm)

Operating Temperature

  • 0° to 55° C (32° to 131° F) - Ambient Temperature Range

Output

  • 5 mA - Cu10 ohms
  • 5 A at 250 Vac, Resistive

Power Requirement

  • 12-24 Vdc / Vac
  • 50/400 Hz
  • 85-265 Vdc/Vac

Storage Temperature

  • -40° to 80° C (-40° to 176° F)

Switch Type

  • SPDT

Thermal Drift

  • ± 0.02 %/°C Typical
  • ± 0.05 %/°C, Max.

  • Stand-Alone CO Monitoring in Parking Garage
  • Industrial Processing Equipment
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