DayTronic IL78A Handmatig - Pagina 7

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RANSDUCER
The Model IL78A I/O CONNECTIONS are via non-removable screw terminals which will accept wire
sizes from AWG 16 to 30. NOTE: The recommended transducer cabling would be eight wire,
individually shielded, twisted pair - wired as indicated (Fig. 1) Sense lines must be connected at the
transducer (as recommended) or at the IL78A screw terminals - as a minimum. Table 2 denotes
screw terminal assignments
I/O Connector
Screw
Terminal
J1
J2
Fig. 1 Model IL78A Transducer Cabling
AC Strain Gage Conditioner Module
C
ONNECTIONS
Table 2 Model IL78A Pin Assignments
Terminal
Analog Output
1
SHP
2
SHN
3
Sync
4
Analog Common
5
Power Common
6
+ 24 Vdc
7
Shield
8
+Excitation
1
+ Sense
2
- Excitation
3
- Sense
4
+ Signal
5
- Signal
6
Cal Sense
7
Shield
8
Label
7 Wire confirguration (
4 twisted pair, shielded wire be used.
Paired as follows:
4 Wire confirguration
2 twisted pair, shielded wire be used.
Paired as follows:
Sense lines must be connected at the
instrument

TRANSDUCER CONNECTIONS

IL78A
Conditioner
Line
Function
+ Signal Output
Shunt positive switch input
Shunt negative swithc input
Master / Slave Sync I/O
- Signal Output
Power Supply Common
11 - 28 Vdc Input Power
Earth ground
+ Sensor Power
+ Sensor Power Sense
- Sensor Power
- Sensor Power Sense
+ Signal from Sensor
- Signal from Sensor
Calibration Shunt Sense
Earth ground
recommended
+ & - Excitation
+ & - Sense
+ & - Signal
Cal Sense and unused wire
Shield at the instrument only
+ & - Excitation
+ & - Signal
Shield at the instument only
)
IL78A.2