September 2004
Installation 1-16
TB3: 0/4-20 mA Analog Outputs
Pin No.
Description
7 OUT1-
6 OUT1+
Output 1 RTN (-)
Output 1 SIG (+)
TB3: Frequency/Totalizer Outputs
Output 1 SIG (+)
8 FREQ1+
9 FREQ1-
Pin No.
Output 1 RTN (-)
Description
Description
TB1: CH1 Transducer
Downstream SIG (+)
Downstream RTN (-)
Pin No.
3 RTNDN
4 SIGDN
Upstream RTN (-)2 RTNUP
1 SIGUP
Upstream SIG (+)
Upstream RTN (-)2 RTNUP
Upstream SIG (+)1 SIGUP
Downstream SIG (+)
Downstream RTN (-)
Description
TB2: CH2 Transducer
3 RTNDN
4 SIGDN
Pin No.
Description
TB4: Frequency/Totalizer Outputs
Output 1 RTN (-)
Output 1 SIG (+)
Pin No.
3 FREQ1+
4 FREQ1-
Protective Conductor Terminal
Grounding Jumper
Backlight Adjustment
Output 2 SIG (+)1 OUT2+
Output 2 RTN (-)
Description
TB4: 0/4-20 mA Analog Outputs
2 OUT2-
Pin No.
Line Negative
Line Positive
DC Power Input
Description
2
1
Pin No.
No Connection
3
Line Neutral
Earth Ground
NEUT
GND
Line Power
AC Power Input
Description
LINE
Pin No.
Green
Yellow
White
TB3: RS232/RS485 Serial Port
Color*
5 DTR
3 COM
4 CTS
Pin No.
2 RX Black
Red1 TX
Description
Data Terminal Ready
Clear to Send
Ground
Receive
Transmit
* for standard factory cables 704-659, 660, 661, 662
Pole 2 of Switch
Pole 1 of Switch
External Totalizer Reset Switch*
Description
E5
E9
Test Point
*Switch hardware is user-supplied.
E5
E9
NOTE: For compliance with the European
Union's Low Voltage Directive (73/23/EEC),
a transparent plastic shroud protects the
electrical connections. The shroud must remain
in place, except while wiring the unit. Reinstall
the shroud after the wiring has been completed.
NOTE: For compliance with the European
Union's Low Voltage Directive (73/23/EEC),
this unit requires an external power disconnect
device such as a switch or circuit breaker. The
disconnect device must be marked as such,
clearly visible, directly accessible and located
within 1.8 m (6 ft) of the unit.
Contrast Adjustment
Figure 1-5: Wiring Diagram (Ref. #702-425)
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