MULTIPOINT CIRCULAR-CHART RECORDER: USER GUIDE
Page 15
HA250385
Issue 7 Nov 06
DC V (-2V<Vin<10V)
DC mV
Thermocouples
+ –
V+ V-
I
DC mA
Shunt
assembly
I
DC V
(– 20 to +100V)
Attenuator
assembly
+ –
3-wire resistance
thermometer
2-wire resistance
thermometer
Potentiometer
V+ V-
I
V+ V-
I
Contact closure
(not channel 1)
Min closure = 250 msec
V+ V-
+ –
Wire sizes:
Power: 0.5 mm2 (min)
Signal: 2.5 mm2 (max)
Com
NO
NC
Coil energisation
controlled by Events
Internal wiring
Relay output (shown in alarm / power off position)
Input wiring
Relay output wiring
V+ V-
I
V+ V-
I
V+ V-
I
1.2.2 ELECTRICAL INSTALLATION (Cont.)
SIGNAL WIRING
Figure 1.2.2d Input / output wiring
Note: See section 11 for Serial communications and section 6 for analogue output (retransmission) wiring.
For controller wiring details see section 9 and the controller handbook.
Summary of Contents for 394
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