ABB REF542PLUS

Product Description:

The ABB REF542PLUS module is a 4-way analog input module for ABB 800xA controllers. The module can be used to measure various industrial signals, such as temperature, pressure, flow, etc.

Product parameters:

Number of inputs: 4
Input type: differential
Input voltage: 0… 10 V, 0… 5 V, ±10 V, ±5 V
Input current: ±20 mA
Input impedance: 250Ω
Resolution: 16 bits
Absolute accuracy error: +/ -0.025% full scale
Linearity error: +/- 0.005% full scale
Temperature deviation accuracy: +/- 0.001% full scale /°C
COMMON MODE REJECTION: > 70 dB 60 Hz
Insulation between each channel and bus: 1000 V AC for 60 s
Update time: 20 ms
Fault type: line break, short circuit
Mark: CE
Local signal indication: 4 leds (green) for channel Open: 4 leds (red) for channel failure:
Required bus current: 120 mA
Power consumption W: 2.4W