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Table 6 "RS-232 SENSOR CABLE" terminal—Wiring information
Terminal color
Brown
Blue
Black
White
3.3 Connect power
Explosion hazard. Do not install or replace the batteries or connect power when an explosive
atmosphere is present.
Explosion and fire hazard. Battery substitution is not permitted. Use only batteries that are supplied by
the instrument manufacturer.
Explosion hazard. Incorrect battery installation can cause the release of explosive gases. Make sure
that the batteries are inserted in the correct polarity orientation.
Explosion hazard. Non-rechargeable batteries can leak or explode if charged. Do not put non-
rechargeable batteries into a battery charger.
Connect power with one or two of the options that follow:
• Batteries—Install two field transmitter batteries. Refer to
electrical safety and hazardous location rating of the field transmitter, only use batteries supplied
by the manufacturer. Refer to
replace the batteries one at a time.
• DC power supply—Connect a DC power supply to the "DC 9–28V" terminal (9 to 28 VDC, 1 A
minimum). Refer to
Terminal
1 (left)
3.4 Connect the 4–20 mA analog output (optional)
Connect the 4-20 mA analog output of the field transmitter to a device (e.g., SCADA or PLC) as
necessary. Refer to
Table 8
The 4–20 mA analog output represents the sensor measurement. For the measurement range
represented by the 4-20 mA analog output, refer to "Change the measurement units" in the sensor
documentation.
12 English
Wire color
Brown
Blue
Black
Silver
W A R N I N G
W A R N I N G
W A R N I N G
Accessories
Table 7
and
Figure 5
on page 15.
Table 7 "DC 9–28V" terminal—Wiring information
Signal
Ground
and
Figure 5
on page 15.
Signal
Sensor RXD (receive)
Sensor TXD (transmit)
GND (ground)
Shield
D A N G E R
Figure 5
on page 19 for ordering information. Install and
Terminal
2 (right)
on page 15. To keep the
Signal
VDC +
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