J4 - CH2 TRANSDUCER**
Pin #
Desig.
1
CH2UP
Upstream SIG(+)
2
CH2RTN
Upstream RTN(-)
3
CH2RTN
Downstream RTN(-)
4
CH2DN
Downstream SIG(+)
J3 - CH1 TRANSDUCER**
Pin #
Desig.
1
CH1UP
Upstream SIG(+)
2
CH1RTN
Upstream RTN(-)
3
CH1RTN
Downstream RTN(-)
4
CH1DN
Downstream SIG(+)
Sentinel™ User's Manual
NOTE: Enclosure #1 is shown from
the rear with the rear cover removed.
MODBUS CONN.
J5 Pin No. Description
+
1
–
2
3
N/C
Grounding
Jumper
Protective
Conductor
Terminal
Description
Mounting Boss
Description
Transducer connections and other wiring accomplished
at the factory are shown for information purposes only
and should not be changed by the user.
Nameplate
Conduit Hole
7pl
**Important:
J2 - INPUT/OUTPUT CONN.*
Pin #
Description
1
OUT
-
A
2
RTN
-
A
3
N/C
4
ALARM NO - B
5
ALARM COM - B
6
ALARM NC - B
7
OUT C - +24V
8
INPUT C - +
9
INPUT C - RTN
10
OUT D - +24V
11
INPUT D - +
12
INPUT D - RTN
*See wiring label inside rear cover.
J1 - ANALOG & RS232/RS485
Pin #
Desig.
Description
1
AOUT A+ Analog Output A+
2
AOUT A-
Analog Output A-
3
AOUT B+
Analog Output B+
4
AOUT B-
Analog Output B-
5
DTR
Data Term. Ready
6
CTS
Clear to Send
7
COM
Ground
8
RX
Receive / –
9
TX
Transmit / +
Chapter 1: Installation
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