ComAp intelilite nt amf20, Reference Manual

Page: 142 / 145

InteliLite
NT
– AMF20/25, SW version 2.2, ©ComAp – September 2014 142
IL-NT-AMF-2.2-Reference Guide.pdf
Analog inputs
Not electrically separated
Number of inputs
3
Resolution 10 bits
Maximal resistance range 2500

Resistance measurement tolerance

2 %

2

out of measured value
Speed pick-up input
Type of sensor
magnetic pick-up (connection by shielded
cable is recommended)
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 %
D+ Function
Max. D+ output current
250 mA
Guaranteed level for signal Charging OK 80% of supply voltage
*CAN bus interface
Not electrically separated
Maximal CAN bus length
200m
Speed 250kBd
Nominal impedance 120

Cable type twisted pair (shielded)
Following dynamic cable parameters are important especially for maximal 200 meters CAN bus length
and 32 iS-COM units connected:
Nominal Velocity of Propagation
min. 75% (max. 4,4 ns/m)
Wire crosscut min.0,25 mm
2
Maximal attenuation (at 1 MHz) 2 dB / 100m
Recommended Industrial Automation & Process Control Cables:
BELDEN (see
http://www.belden.com ):

3082A DeviceBus for Allen-Bradley DeviceNet

3083A DeviceBus for Allen-Bradley DeviceNet

3086A DeviceBus for Honeywell SDS

3087A DeviceBus for Honeywell SDS

3084A DeviceBus for Allen-Bradley DeviceNet

3085A DeviceBus for Allen-Bradley DeviceNet

3105A Paired EIA Industrial RS485 cable
LAPP CABLE (see
http://www.lappcable.com )

Unitronic BUS DeviceNet Trunk Cable

Unitronic BUS DeviceNet Drop Cable

Unitronic BUS CAN

Unitronic-FD BUS P CAN UL/CSA