Setra Systems MicroCal, Руководство пользователя

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35
7.0 UNIT UNDER TEST CONNECTION
Standard - (See Diagram 22)
1. Attach the unit in a secure location.
2. Hook up the pneumatic lines - attaching the high port (HI) on the calibrator to the high
port on the UUT and the low port (LO) on the calibrator to the low port on the UUT.
3. Hook up electrical lines- (See Diagram 23 for wiring options)
Electrical Lines
Unit Under Test
(Model MRC)
Pneumatic Lines
Diagram 22
_
+
EXC
24VDC
SIG
(+)
SIG
(-)
-EXC/COM
Current Internal
Excitation
EXC COM SIG
EXC
24VDC
SIG
(+)
SIG
(-)
-EXC/COM
3-Wire Internal
Excitation
EXC
24VDC
SIG
(+)
SIG
(-)
-EXC/COM
4-Wire Internal
Excitation
EXC COM +SIG -SIG
_
+
EXC
24VDC
SIG
(+)
SIG
(-)
-EXC/COM
_
Current External
Excitation
+
External
Power
Supply
EXC COM SIG
EXC
24VDC
SIG
(+)
SIG
(-)
-EXC/COM
3-Wire External
Excitation
_
+
External
Power
Supply
EXC
24VDC
SIG
(+)
SIG
(-)
-EXC/COM
4-Wire External
Excitation
EXC COM +SIG -SIG
_
+
External
Power
Supply
Diagram 23
EXC
24VDC
SIG
(+)
SIG
(-)
-EXC/COM
P-Switch SPDT
NC C NO
EXC
24VDC
SIG
(+)
SIG
(-)
-EXC/COM
P-Switch SPST