InteliLite
NT
– MRS3,4, AMF8,9, SW version 1.4, ©ComAp – October 2008 61
IL-NT-MRS3,4-AMF8,9-1.4-Reference Guide.pdf
Voltage measurement tolerance 2 % from the Nominal voltage
Overvoltage class III / 2 (EN61010)
Binary inputs and outputs
Binary inputs
Number of inputs 4
Input resistance 4,2 kΩ
Input range 0-36 VDC
Switching voltage level for close contact indication 0-2 V
Max voltage level for open contact indication 8-36 V
Binary open collector outputs
Number of outputs 4 (MRS3,4) or 6 (AMF8,9)
Maximum current 0,5 A
Maximum switching voltage 36 VDC
Analog inputs
Not electrically separated
Number of inputs 2
Resolution 10 bits
Maximal resistance range 2500 Ω
Resistance measurement tolerance ± 2 % ± 2 Ω out of measured value
D+ terminal
CHARGE ALT D+ Function:
Max. CHARGE ALT D+ output current 300 mA
Guaranteed level for signal Charging OK 80% of supply voltage
Hint:
“CHARGE ALT D+ Function" works automatically, depending on voltage measured on CHARGE ALT
D+ terminal on controller start. If not used connect this terminal to battery positive.
*CAN bus interface
Galvanically separated
Maximal CAN bus length 200m
Speed 250kBd
Nominal impedance 120Ω
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
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