The PL8AI/I ISO 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 PL8AI/I module is 0 – 20mA input current which represents an output value of 0 – 4095 (12 bits) or 0-65535(16 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.
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