Advanced MxPro 4 Посібник - Сторінка 6
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1.5 External Wiring
Field wiring connections are shown in the
diagram opposite.
NB: These circuits are classed as Safety Extra
Low Voltage (SELV) circuits. Route away from
mains wiring.
Inputs A and B can be monitored for open and
short circuit conditions.
The monitored inputs circuits should be wired as
per the diagram opposite.
The 470Ω (operating) resistor and 10kΩ (E.O.L)
resistor arrangement should be made adjacent
to the switch contacts to ensure that correct
fault monitoring of the total circuit (including the
wiring) between the input contact and the Shop
Interface unit is maintained.
6
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Figure 5
Figure 6
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PL2
Mxp-029
TO DISPLAY
TB3
TB2
TB1
IN
IN
IN
IN
IN
RL1 RL2 Power
A
B
C
D
E
10K ¼W
470R ¼W
Volt free
contact
–
+
SWITCH
INPUT 'n'
PL1