*For our newest range of meters and controllers with Modbus connectivity, expanded ramp and soak programs, universal inputs, and simple PC set-up, visit our Platinum Series.*
The OMEGA™ iSeries Limit
Controller offers unparalleled
flexibility in process measurement
and alarm applications, accepting
10 different thermocouple types,
18 RTD combinations or 4 process
voltage/current inputs and providing
2 relay alarm outputs and a large
3-colour display that can change colour on alarm.
Easily configured options include
11 different alarm conditions and the
unit supports an external reset input
and a buzzer audio annunciator.
Front panel configuration buttons
allow the user to select the type
of input, the alarm conditions and
the resulting display colour. Process
inputs are fully scalable, supporting
virtually all engineering units with aselectable decimal point providing a
perfect solution for pressure, flow or
other process inputs.
Standard features include a built-in
24 Vdc excitation source for
transmitters or other devices and a
universal power supply that accepts
90 to 240 Vac. A low power option
is available that supports 24 Vac or
12 to 36 Vdc.
Specifications Input Types: Thermocouple, RTD, analogue voltage, analogue current Accuracy: ±0.5°C temperature; 0.03% rdg Temperature Stability: RTD: 0.04°C/°C Thermocouple @ 25°C : 0.05°C/°C, cold junction compensation Process: 50 ppm/°C Reading Rate: 3 samples/s Display: 1/8 DIN: Single 4-digit 9-segment LED 21 mm 1/32, 1/16 DIN: 10.2 mm Thermocouple Types (ITS 90): J, K, T, E, R, S, B, C, N, L (J DIN) Thermocouple Lead Resistance: 100 Ω maximum RTD Input (ITS 68): 100/500/1000 Ω Pt sensor, 2-, 3- or 4-wire; (0.00385 or 0.00392 curve) Voltage Input: 0 to 100 mV, 0 to 1V, 0 to 10 Vdc Input Impedance: 10 MΩ for 100 mV, 1 MΩ for 1 or 10 Vdc Current Input: 0 to 20 mA (5 Ω shunt) Excitation Power Supply: 24 Vdc @ 25 mA (not available with low power option) Limit Control Alarm 1 and 2 Outputs Relay: SPDT, 250 Vac or 30 Vdc @ 3 A (resistive load) Operation: High/low, above/below, band, latch/unlatch, normally open/ normally closed and process/deviation; front panel configurations General Power: 90 to 240 Vac ±10%, 50 to 400 Hz, 110 to 300 Vdc, equivalent voltage Low Voltage Power Option: 24 Vac, 12 to 36 Vdc; external power source must meet safety agency approvals Operating Temperature: 0 to 55°C; 90% RH non-condensing Protection: 1/8 DIN: NEMA 1/Type 1 front panel 1/32, 1/16 DIN: NEMA 4X/Type 4 (IP65) front panel Dimensions: 1/8 DIN: 48 H x 96 W x 127 mm D 1/16 DIN: 48 H x 48 W x 127 mm D 1/32 DIN: 25.4 H x 48 W x 127 mm D
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