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Chapter 3: Installation
15
D4467-3
3 mm
4 mm
10 mm
50 mm
Preparing wires for connection
(a)
(b)
Stand-alone connections
CAUTION
Ensure that the power supply for each stand-alone ST40
instrument is protected by a 3 A fuse or circuit breaker.
3 A circuit breaker
Red +ve
Uninsulated wire (screen) -ve
+
_
12 V dc supply
(e.g. battery)
D4647-2
Connections to a stand-alone instrument
Cable from
Speed transducer
Screen
Brown
Green
White
Red
Power cable
Note:
A 3 A fuse can be used in place of
the circuit breaker, if preferred.
157_2c03.p65 01/05/01, 12:2215