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Documents: SC1090

SC1090 & SCL1090 SC1290 SC1490 Series SC1 Catalog Page More Info

SC1090 | Process/alarm switch module | 85 to 265 VDC/VAC power supply. | Dwyer

Process/alarm switch module, 85 to 265 VDC/VAC power supply.

Brand: DwyerSKU: SC1090

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Overview Details for SC1090

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Process/alarm switch module | 85 to 265 VDC/VAC power supply.

Series SC1 Process/Temperature Alarm Switch Module

Two Form C (SPDT) Switches, Small Size, Mounts Easily on 35 mm DIN Rail

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.

Product Applications

Stand alone CO monitoring in parking garage
Industrial processing equipment

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

Specifications

Series: SC1 Process/Temperature Alarm Switch Module
Category/Type: Process Control
Type: Process Alarm Switch Modules
Series: SC1 Process/Temperature Alarm Switch Module
Input: See Table on Catalog page.
Power Supply: SC models: 85 to 265 VDC/VAC; 50 to 400 Hz;SCL models: 12 to 24 VDC/VAC; 50 to 400 Hz.
Isolation: 1500 V rms between outputs; input; and power.
Set Points: Adjustable 0 to 100% of span.
Deadband: Adjustable 0.25% to 100% of span.
Drift: ±0.02%/°C typical ±0.05%/°C maximum.
Ambient Temperature Range: Operating: 32 to 131°F (0 to 55°C). Storage: -40 to 176°F (-40 to 80°C).
Excitation Current: (SC1490) Cu10Ω= 5 mA; Plt 100Ω; Ni 100Ω; Ni 120Ω =500µA; Plt 500Ω; NiFe 1000Ω = 100µA; Plt 1000Ω = 50 µA.
Lead Compensation Error: (SC1490) ˜ 0.02%/Ω.
Open Lead Protection: (SC1490)upscale only.
Input Impedance: SC1090: Voltage input = 1 MΩ; current input = 10Ω; SC1290: 3 MΩ.
Sensor Burnout Protection: Selectable.
Relay Output: Form C; SPDT; one per set point; 5A @ 250 VAC; resistive.
Latch Circuit Reset: Automatic at power up. Manual with reset switch on front of module.
Indicators: One dual color LED per set point. Red = relay on; green = relay off.
Wiring Terminals: Screw driven compression type.
Dimensions: 2.95" H x 0.89" W x 3.89" D (75 x 22.5 x 98.5 mm).