<5 INSTALLATION AND WIRING> 5-3
IM 11Y01B02-01E-A 3rd Edition June 19, 2012-00
5.3 Wiring Details
Connect protective ground to the designated terminal of the analyzer. Use
minimum 14 AWG or equivalent. The analyzer mains must be connected to an end
user provided disconnect device with 250V, 10 A ratings. Screw Terminal Block
(SAk2.5) Details: (also see following diagram for internal wiring).
TB
Field or
Factory
Terminal
No.
Function
Notes/Comments
1
Factory
1
+24 VDC
DC power from the 24 power supply in adjacent
enclosure.
2
0 VDC
3
+24 VDC
24VDC power take-off to integral purge indicator/
switch unit (when fitted)
4
0 VDC
2
Field
1
SV 1 remote
Cal/Val initiate signal loop (SV # 1) to Remote voltage
free contacts/switch. Do not apply external power!
2
3
SV 2 remote
Cal/Val initiate signal loop (SV # 2) to Remote voltage
free contacts/switch. Do not apply external power!
4
5
SV 3 remote
Cal/Val initiate signal loop (SV # 2) to Remote voltage
free contacts/switch. Do not apply external power!
6
3
Field
1
SV 1 +
24VDC power output signal to actuate external solenoid
valve # 1. Max 12 Watts requires ferrite coil on wires.
2
SV 1 -
3
SV 2 +
24VDC power output signal to actuate external solenoid
valve # 2. Max 12 Watts requires ferrite coil on wires.
4
SV 2 -
5
SV 3 +
24VDC power output signal to actuate external solenoid
valve # 3. Max 12 Watts requires ferrite coil on wires.
6
SV 3 -
4
Field
1
Warning
Alarm
NC - Closed contact on Warning/Power-off state
2
C - Common contact – rated max 1A @ 24VDC
3
NO - Open contact on Warning/Power-off state
4
Fault
Alarm
NC - Closed contact on Warning/Power-off state
5
C - Common contact – rated max 1A @ 24VDC
6
NO - Open contact on Warning/Power-off state
5
Field
1
User Alarm
NC - Closed contact on Warning/Power-off state
2
C - Common contact – rated max 1A @ 24VDC
3
NO - Open contact on Warning/Power-off state
4
Purge Alarm
C - Common contact – rated max 265V AC/DC, 150mA
5
NO - Open contact on loss of purge pressure