InteliLite
NT
– AMF20/25, SW version 1.2, ©ComAp – March 2008 82
IL-NT-AMF-Reference Guide1.2.pdf
Maximal resistance range 2500
Ω
Maximal voltage range 2.5 V
Current range 0 – 20 mA
Input impedance 180
Ω for mA measuring
Input impedance > 100 k
Ω for V measuring
Resistance measurement tolerance
± 2 % ± 2 Ω out of measured value
Voltage measurement tolerance
± 1 % ± 1mV out of measured value
Current measurement tolerance
± 2.5 % ± 0,5mA 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 300 mA
Guaranteed level for signal Charging OK 80% of supply voltage
*CAN bus interface
Galvanically separated
Maximal CAN bus length 200m
Speed 250kBd
Nominal impedance 120
Ω
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
To Next Page
Loading...
