GEORGE FISCHER +GF+ SIGNET 9020 Intelek-Pro, Instruction Manual

Page: 16 / 44

10
Figure 9
Optional remote control
connections
Start
Stop
Resume
computer/
PLC
OR
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8
RTN STR STP RSM
REMOTE
EOB CNT
SERIAL
Tx GND Rx
PLS OUT
+ -
BLK RED SHLD
SENSOR
L
1
N
AC IN
+ GND NO C NC
RLY1 DC IN
NO C NC
RLY2
Note:
Use a shielded cable and connect shield to the RTN ground terminal,
as shown.
Maximum cable lengths: 1000 ft/305 m maximum with 22 AWG wire,
2000 ft/610 m maximum with 18 AWG
The counter pulse output (CNT) is an open collector
130 ms pulse representing each engineering (flow)
unit measured. It is ideal for driving an external
accumulator.
An external DC power supply and
current limiting resistor are required for opera-
tion
(Figure 10).