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Supply
Voltage
Safety Earth
R>500R = inactive
R<150R = active
Contact closure
Isolated DC o/p (mA)
Relay output
T/C
mV
0 to 1V
0 to 10V
T/C, Volts, millivolts
An In1; An In2; An In3; An In4
Dual mV/TC
A
September 18
FEC920: USER GUIDE
1
8
Logic o/p (active high)
O/P2
Logic o/p (active high)
O/P3
Isolated DC o/p (mA/V)
An In1; An In2; An In3; An In4
1R0≤R≤1k0
Milliamps
RTD (three wire)
Dual mA
Figure 4 Connector locations and pinouts (rear panel)
A5E45696052A Rev-AA
100 to 230Vac±15%;
48/62 Hz
24Vac; -15%, +10%
48 to 62 Hz or
24Vdc; -15%, +20%
(polarity irrelevant)
I/O1
Relay output
Relay output
Dig InA
R>600R = inactive
R<300R = active
Internal Link (0V)
Contact closure
RTD (two wire)
Dual input option (Section 4.2.3, below)
(Primary and secondary inputs are not electrically isolated from one another.)
For maximum accuracy, it is recommended that separate returns are made to
the negative terminal.
Brown
Blue
Mains (Line) supply voltage
Low voltage option wiring
Isolated DC o/p (mA)
Each wire connected to
LA, LB and LC must be
less than 30m (98.43ft).
Dig InB
Contact closure
Relay output
Ohms inputs
O/P4; O/P5
R<200R = active
R>350R = inactive
Digital
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