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Series
SI

Smart Indicator
Temperature or Process, Interchangeable Output Modules

SPECIFICATIONS
General
Input/Output Isolation:
500 VAC RMS (galvanically isolated).
Display Range: -999 to 9999.
Output Impedance: 700 @ 24 VDC.
Power Supply: 90 to 253 VAC 50/60 Hz.
Ambient Operating Temperature: -22 to 140°F (-30 to 60°C).
Filtering: Off, 2 seconds, 10 seconds, or adaptive.
Time Constant (Filter Off): <1 second (to 63% of final value).
Update Time: 250 msec maximum.
Weight: 2 lb (0.9 kg).

Model SI-13
Thermocouple Input Range: J: -328 to 2192°F (-200 to 1200°C); K: -328 to 2498°F (-200 to 1370°C); T: -328 to 752°F (-200 to 400°C); R and S: -14 to 3200°F (-10 to 1760°C); E: -328 to 1832°F (-200 to 1000°C); F: -148 to 1112°F (-100 to 600°C); N: -292 to 2372°F (-180 to 1300°C); custom: ±9999.
RTD Input Range: Pt100Ω 2 or 3-wire: -328 to 1562°F (-200 to 850°C).
Accuracy: T/C: ±0.04% full range input, ±0.04% rdg.; RTD; ±0.01 full range input, ±0.05% of rdg.
Thermal Drift: Zero: 0.05µV/°F (0.1µV/°C), (RTD zero drift is 0.008°F/°F); Span: 50ppm/°F (100ppm/°C).
Cold Junction Range: -40 to 185°F (-40 to 85°C).
Cold Junction Error: ±1°F.
Cold Junction Tracking: 0.05°F/°F (0.05°C/°C).
Excitation Current: 300µA to 550µA.
Maximum Lead Resistance: 50 ohms/leg.
Lead Resistance Effect: 0.004°F/ohm (0.002°C/ohm).

Model SI-23
Voltage Input Range: 0 to 1V, 1 to 5V, 0 to 10V.
Current Input Range: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA.
Accuracy: ±0.05% full scale.
Thermal Drift: Zero: 0.05µV/°F ( 0.1µV/°C); Span: 50ppm/°F (100ppm/°C).
Excitation: 24V ±5% @ 50 mA.

Dual Relay Module
Contacts: Two changeover relays, common wiper.
Electrical Rating: AC: 253V; DC: 125V.
Maximum Load: AC: 7A @ 250V; DC: 7A @ 30V.
Maximum Power: AC: 1750VA; DC: 210W.
Connections: 5-way tension clamp connector.

4 to 20 mA Retransmission Module
Ranges: 0 to 10 mA, 0 to 20 mA, 4 to 20 mA (active or passive).
Isolation: 500 VAC.
Accuracy: 0.07% full scale.
Maximum Output Load: Active: 1 K ohm; Passive: [(Vsupply-2)/20] K ohm.
Max. External Supply: 30V (passive).
Connections: 5-way tension clamp connector.

RS485 Modbus® Communication Module
Physical Layer: 4-wire or 2-wire half duplex RS485.
Baud Rate: 19,200 or 9,600.
Protocol: Modbus RTU format.
Maximum Fan Out: 32 Units.
Connections: 5-way tension clamp connector.

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