
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 %
*RS232 interface
Maximal
distance
10m
Speed
19.2kBd
(STD)
9.6kBd
(MODBUS)
Recommend external converter:
ADVANTECH – ADAM 4520: RS232 to RS422/485 converter, DIN rail, automatic RS485 bus
supervision, no external data flow control signals, galvanic isolated.
Recommended internal converter:
ADVANTECH – PCL-745B or PCL745S : Dual port RS422/485 Interface card, automatic RS485 bus
supervision, no external data flow control signals, galvanic isolated
*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
InteliLite – MRS10/11/15/16, SW version 2.2, ©ComAp – November 2004 65
IL-MRS-2.2.pdf