Yokogawa Extractive Oxygen Gas Analyzer TDLS220 - Manual (Page 27)

<5 INSTALLATION AND WIRING> 5-4
IM 11Y01B02-01E-A 4th Edition September 11, 2012-00
6 Factory 1 Ethernet + Transmit
2 - Transmit
3 + Receive
4 - Receive
7 Factory 1-8 Detect Internal connections only – do not use
8 Field Analog
#1 output
+ Cal/Val initiate signal loop (SV # 1) to Remote voltage
free contacts/switch. Do not apply external power!
-
Analog
#2 output
+ Cal/Val initiate signal loop (SV # 2) to Remote voltage
free contacts/switch. Do not apply external power!
-
Analog
#3 output
+ Cal/Val initiate signal loop (SV # 2) to Remote voltage
free contacts/switch. Do not apply external power!
-
9 Factory
and/or
Field
1 Gas
Temperature
Compensation
Externally powered 4-20mA gas temperature signals
are wired to 1 (+) and 2(-), 3 not used.
Loop powered temperature transmitter can be con-
nected to 1 (-) and 3 (+24VDC), 2 not used
2
3
4 Gas
Pressure
Compensation
Externally powered 4-20mA gas pressure signals are
wired to 1 (+) and 2(-), 3 not used.
Loop powered pressure transmitter can be connected
to 1 (-) and 3 (+24VDC), 2 not used
5
6
14 Factory 1-4 Mini-Display Internal connections only – do not use
Figure 9 – Internal Wiring Diagram, including optional cell heating and optional purge unit