The PT8AIIS is a 8 channel current input module. The inputs are fully isolated from input to logic and between inputs. This module is ideal for monitoring existing 4-20mA current loops which are isolated from each other and cannot be connected to a common point of reference.
The standard setting for the PT8AIIS module is 0 – 20mA input current which represents an output value of 0 – 4095 (12 bits) in the corresponding Modbus register. To obtain an output value of 0 to 4095 for an input signal of 4 to 20mA the offset switch is switched on. This module can also be configured for a 0 – 20.000mA input range or +/- 20.000mA input.
|PT8AIIS – 8 CURRENT INPUTS FULLY ISOLATED|
|Sample rate||0.71 samples/sec|
|Input Impedance||22 Ohms|
|Isolation (Inter Channel)||350VAC (Pk-Pk)|
|Drift||100 ppm/deg.C typ.|
|Accuracy||0.2 % of span|
|Isolation (Field & Logic)||1500VAC RMS|
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