Comnet FVR4012 Panduan Instalasi dan Pengoperasian - Halaman 3

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Halaman Cetak
INSTALLATION AND OPERATION MANUAL
FIGURE 4 – DATA SWITCH POSITIONS
The mode for each data channel is configured using a pair switches on the front panel of the unit.
Switch
TEch SUPPORT: 1.888.678.9427
1) RS232
1
2
3) RS485 2-Wire,
Sensornet
1
2
1) RS232
2) RS422,
dIN (–)
Bi-Phase,
douT (–)
Manchester
GNd
dIN (+)
dIN (–)
douT (+)
douT (–)
GNd
Termination Note
A 120 ohm termination resistor is applied to the differential inputs when
TERM is wired directly to DIN – (see diagram below).
FVT/FVR4012
2) RS422, Bi-Phase or
Manchester
1
2
4) RS485 4-Wire
1
2
3) RS485 2-Wire,
4) RS485 4-Wir
Sensornet
dIN (+)
dIN (+)
dIN (–)
dIN (–)
douT (+)
GNd
douT (–)
GNd
INS_FVT/FVR4012_REV–
02/29/12
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