Yokogawa Extractive Oxygen Gas Analyzer TDLS220 - Manual (Page 13)

IM 11Y01B02-11E-A 3rd Edition :August 14, 2012-00
3-2 3-3 <3 INSTALLATION AND WIRING>
3.3 Wiring Details
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 con-
tacts/switch. Do not apply external power!
2
3 SV 2 remote Cal/Val initiate signal loop (SV # 2) to Remote voltage free con-
tacts/switch. Do not apply external power!
4
5 SV 3 remote Cal/Val initiate signal loop (SV # 2) to Remote voltage free con-
tacts/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 @ 24 VDC
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 @ 24 VDC
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 @ 24 VDC
3 NO - Open contact on Warning/Power-off state
4 Purge Alarm C - Common contact – rated max 265 V AC/DC, 150 mA
5 NO - Open contact on loss of purge pressure