ComAp IG-NT, Installation Manual

Page: 141 / 149

IGS-NT Installation Guide
141
Maximum switching
voltage 36 VDC 36 VDC 36 VDC
20.6. Analog inputs
Not electrically separated
Number of inputs
3 / 0 / 4 unipolar ( IG-NT(x), IG-NT(x)-BB/ IM-NT
/ IS-NT-BB,IS-NTC-BB )
Resolution
10 bits
Jumper selectable range V, ohm, mA
Maximal resistance range 2500

Maximal voltage range 5 V
Maximal current range 0
– 20 mA
Input impedance 180

for mA measuring
Input impedance > 100 k

for V measuring
Resistance measurement tolerance

2 %

2

out of measured value
Voltage measurement tolerance

1 %

1mV out of measured value
Current measurement tolerance

1 %

0,5mA out of measured value
20.7. D+ function
Max. D+ output current 300 mA
Guaranteed level for signal Charging OK 80% of supply voltage
20.8. Speed pick-up input
Type of sensor magnetic pick-up
Minimum input voltage 2 Vpk-pk (from 4 Hz to 4 kHz)
Maximum input voltage 50 Veff
Minimum measured frequency 4 Hz
Maximum measured frequency 10 kHz (min. input voltage 6Vpk-pk)
Frequency measurement tolerance 0,2 %
20.9. Communication interface
20.9.1. RS232 interface
Maximal distance 10m
Speed up to 57.6kBd
20.9.2. RS485 interface
Maximal distance 1000m
Speed up to 57.6kBd