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8
4.3 INPUT WIRING
4.4 SETPOINT (ALARMS) WIRING
CAUTION
: Sensor input common is NOT isolated from user input common. In order to preserve the safety of the meter application, the sensor input
common must be suitably isolated from hazardous live earth referenced voltage; or input common must be at protective earth ground potential. If not,
hazardous voltage may be present at the User Inputs and User Input Common terminals. Appropriate considerations must then be given to the potential
of the user input common with respect to earth ground; and the common of the isolated plug-in cards with respect to input common.
SETPOINT PLUG-IN CARD TERMINALS
SINKING OUTPUT LOGIC CARD
SOURCING OUTPUT LOGIC CARD
3
4
5
MAGNETIC PICKUP
6
+12V
COMM
INPUT
A
INPUT
B
3
1
2
ON
6
3
4
5
to 2.5 mA MAX.
Resistor to limit current
AC
+12V
COMM
INPUT
A
INPUT
B
3
2
1
ON
4
3
5
6
2.2K
Ω
COMM
+12V
INPUT
B
INPUT
A
2
1
3
ON
NPN O.C.
3
4
5
6
COMM
+12V
INPUT
A
INPUT
B
1
2
3
ON
PNP O.C.
3
4
5
6
+12V
COMM
INPUT
A
INPUT
B
2
1
3
ON
ON
4
2
3
1
3
5
6
+5V
COMM
DIODE
+12V
COMM
INPUT
B
INPUT
A
3
4
5
6
INPUT
A
INPUT
B
COMM
+12V
2
1
3
ON
6
3
4
5
INPUT
A
INPUT
B
+12V
COMM
1
2
3
ON
3
4
5
6
INPUT
A
INPUT
B
+12V
COMM
2
1
3
ON
AC Inputs From Tach Generators, Etc.
Input A
Two Wire Proximity, Current Source
Input A
Magnetic Pickup
Input A
Current Sourcing Output
Input A
Interfacing With TTL
Input A
Current Sinking Output
Input A
Switch or Isolated Transistor; Current Sink
Input A
6
3
4
5
NPN O.C.
COMM
+12V
INPUT
B
INPUT
A
3
2
1
ON
Current Sink Output; Quad/Direction
Totalizer A
Switch or Isolated Transistor; Current Source
Input A
Emitter Follower; Current Source
Input A
6
3
4
5
NPN O.C.
NPN O.C.
7
Rate B
Totalizer A
+12V
COMM
USER 1
INPUT
A
INPUT
B
4
1
2
3
6
5
ON
3
4
5
6
NPN O.C.
Totalizer A
7
8
NPN O.C.
Totalizer B
+12V
COMM
INPUT
A
INPUT
B
3
2
1
ON
4
5
6
USER 1
USER 2
Current Sink Output; Quad/Direction
Totalizer A
& Rate B
Totalizer A &
Totalizer B
Current Sink Output; Quad/Direction
If you are wiring Input B, connect signal to Terminal 6 instead of 5, and set DIP switches 4, 5, and 6 to the positions shown for 1, 2, and 3.
If using Totalizer B, then wire signal to 6, and
Quad/Direction to 8. Set switch positions 4, 5,
and 6 as shown for 1, 2, and 3.
User Input Jumper
in Sink Position
User Input Jumper
in Sink Position
Shaded areas not recommended for counting applications.
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com