Rice Lake 920i Dual Channel Analog Input Card User Manual
Page 8
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8
920i
Analog Input Card with Thermocouple Input Installation Instructions
Absolute Max. Input Signal
1
J1 & J2
Volts –11 to +15V, Input +/– 20.4 mA
J3
–0.3V to 5V w/respect to (-T/mV) input
Input Impedance
Typical
J1 & J2
+/–10 >27k
Ω 0-20mA 249Ω (measurement shunt)
J3
+/–100mV >100K
Ω
Input Protection
J1 & J2
15V, 600Watts (suppression diodes)
Sample Rates
Selectable
10, 50, 60, or 250Hz
Power Consumption
200mW, 30mA
Thermocouple Input Types
E, J, K, N, T
Thermocouple Temperature Ranges
E
-454 to 1832°F
J
-346 to 2192°F
K
-454 to 2501.6°F
N
-454 to 2372°F
T
-454 to 752°F
Accuracy +/– 1° C
Temperature Input
Internal Temperature Sensor
1. Absolute maximum input ratings are those values beyond which the life of the input card may be impaired.
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