Page 3–34
2101510 Rev. AG
Figure 3-33 Suggested RS-485 Wiring Instructions
Figure 3-34 Suggested RS-422 Wiring Instructions
3.17 Carrier/Calibration Bottle Rack Installation on Meter Run
The carrier/calibration gas bottle rack is used to hold the carrier and calibration
gas bottles on installations not using an environmental enclosure. A gas regulator
should be installed on each gas bottle (see
). This bottle rack is not
available through Totalflow; therefore, the instructions are generalized.
5
3
4
2
J10 COMM PORT 2
1
6
7
8
9
BUS-
BUS+
RRTS
GND
SW PWR
TERMINATION BOARD
NGC 8200
2102080-XXX
1 2 3
J9
1 2 3
J11
5
3
4
2
J8 COMM PORT 1
1
BUS-
BUS+
RRTS
GND
8 8
10 10
9 9
11 11
12 12
6
7
8
9
3 3
5 5
4 4
6 6
7 7
1 1
2 2
SW PWR
C
O
M
M 1
C
O
M
M 2
TERMINATION BOARD
5
3
4
2
J8 COMM PORT 1
1
NGC 8200
RXD+
TXD -
TXD+
RXD-
GND
8 8
10 10
9 9
11 11
12 12
6
7
8
9
2102080-XXX
3 3
5 5
4 4
6 6
7 7
1 1
2 2
SW PWR
C
O
MM 1
C
O
MM 2
5
3
4
2
J10 COMM PORT 2
1
6
7
8
9
RXD+
TXD -
TXD+
RXD-
GND
SW PWR
1 2 3
J9
1 2 3
J11
