DayTronic 5M78 Handbuch - Seite 7

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AC Strain Gage Conditioner Module
2
T
RANSDUCER
The Model 5M78 I/O CONNECTIONS are via non-removable screw terminals which will
accept wire sizes from AWG 12 to 26. 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 5M78
screw terminals - as a minimum. Table 2 denotes screw terminal assignments
I/O Connector
Number
Top Rear 1
Top Rear 2
Top Rear 3
Top Rear 4
Top Front 1
Top Front 2
Top Front 3
Top Front 4
Bottom Front 1
Bottom Front 2
Bottom Front 3
Bottom Front 4
Bottom Rear 1
Bottom Rear 2
Bottom Rear 3
Bottom Rear 4
Fig. 1 Model 5M78 Transducer Cabling
+SENSE
+EXCITATION
–SIGNAL
–EXCITATION
–SENSE
(paired with "CAL SENSE,"
UNCONNECTED at
Conditioner Connector)
* CAL SENSE
when used with internal transducer
shunt resistor, wire CAL SENSE
line to transducer's CAL pin.
Internal Shunt resistor
must be shorted.
C
ONNECTIONS
Table 2 Model 5M78 Pin Assignments
Pin
Screw
Terminal
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
+SIGNAL
CAL SENSE *
EXTRA WIRE
Terminal
Label
+ EXC
+ SEN
- EXC
- SEN
+ SIG
- SIG
CAL SEN
///
Ano Out
SHP
SHN
SYC
Acom
Pcom
24 V
///
SHIELD
Master/Slave
Clock Sync Line
to/from other
modules
Analog Common
Power Common
24 Vdc Power Input
T
C
RANSDUCER
5M78
Conditioner
Line
Function
+ EXCITATION
+ SENSE
- EXCITATION
- SENSE
+ SIGNAL Input
–SIGNAL Input
CALIBRATION SENSE
SHIELD
ANALOG Output
Shunt Positive
Shunt Negative n
SYNC - MASTER/SLAVE
Analog Common
Power Common
24 Vdc Power
SHIELD
T op Input Connectors
(viewed from front)
Rear Terminals
Front Terminals
Bottom Power & Signal Connectors
Front Terminals
Rear Terminals
SHIELD
5M78. 2
ONNECTIONS