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
k
Ω
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
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
