NGC
S ERI ES
Q U I C K
STA RT
G UI DE |
2 1 0 6 23 5 - 0 0 1
( A A )
Comm1 and Comm 2 Pin-outs/Terminations
PIN
RS232
RS485
RS422
COMM 1 (J8)
COMM 1 (J8)
COMM 1 (J8)
1
Power Out
Power Out
Power Out
2
Ground Ground Ground
3
Switched Power Out Switched Power Out
Switched Power
Out
4
Operate Operate Operate
5 Not
Used
RRTS
RTS
6
Request To Send
Bus +
Transmit Bus +
7
Transmit Data
Bus -
Transmit Bus -
8
Receive Data
No Connection
Receive Bus +
9
Clear To Send (CTS) No Connection
Receive Bus -
COMM 2 (J10)
COMM 2 (J10)
COMM 2 (J10)
1
Power Out
Power Out
Power Out
2
Ground Ground Ground
3
Switched Power Out Switched Power Out
Switched Power
Out
4
Operate Operate Operate
5 Not
Used
RRTS
RTS
6
Request To Send
Bus +
Transmit Bus +
7
Transmit Data
Bus -
Transmit Bus -
8
Receive Data
No Connection
Receive Bus +
9
Clear To Send (CTS) No Connection
Receive Bus -
TERMINATIONS
Comm 1 (J9)
Comm 2
(J11)
First or Intermediate Unit (RS-485) Pins 2–3
Pins 2–3
Last or Only Unit (RS-485)
Pins 1–2
Pins 1–2
RS232
Pins 2–3
Pins 2–3
Figure 1: Tubing layout
# Name
1
Carrier
gas
2
Cal
gas
3
Feed through
assembly
4
Sample
conditioning
module
5
Sample
probe
6
Vent
lines
Figure 2: NGC Terminal Board
A B B M E A S U R E M E N T & A N A LY T I C S
NGC series
Quick start guide
Natural gas analyzers
Gas chromatograph products
Save this guide. Refer to the code above to access
User Manuals and other product information.
Safety and compliance information is included with
the device in the shipping packaging.
We reserve the right to make technical changes or
modify the contents of this document without prior
notice. Regarding purchase orders, agreements
shall prevail. ABB does not accept any responsibility
whatsoever for potential errors or possible lack of
information in this document.
