MAMAC SYSTEMS PR-274 - Adjustments and Jumper Selection

+
–
Controller/
Meter/
Recorder
Shield/
Ground
Input
Signal
Common
12-40 VDC
Power Supply
+
–
VDC Output
Transducer Only
Common
+
–
Supply
Signal
0
Figure-4 Wiring for VDC Low Pressure Transducers
When Applied with External DC Supply.
ADJUSTMENTS
Jumper
Jumper selections vary according to the low
pressure transducer (mA or VDC).
Selection The following describes the possible selections for
each model.
Jumper Selections for PR-274/275 Low Pressure
Transducers with mA Outputs
The possible range configurations and jumper
selections for pressure transducers with mA outputs
are shown in Table-1 and Figure-5, respectively.
+ –
Z S
Range: A
+ –
Z S
Range: B
+ –
Z S
Range: C
+ –
Z S
Range: D
+ –
Z S
Range: E
+ –
Z S
Range: F
+ –
Z S
Range: G
+ –
Z S
Range: H
Figure-5 Jumper Selections for Low Pressure Transducers
with mA Outputs.
Jumper Selections for PR-274/275 Low Pressure
Transducers with VDC Outputs
The possible range configurations and jumper
selections for low pressure transducers with VDC
outputs are shown in Table-2 and Figure-6,
respectively.
Figure-3 and Figure-4
Illustrate typical wiring diagrams for the PR-274/275, 0-5/0-10
VDC output Low Pressure Transducers.
+
–
Controller/
Meter/
Recorder
Shield/
Ground
Input Signal
Common
12-35 VAC
Transformer
Hot
Neutral
+
–
VDC Output
Transducer Only
Common
+
–
Supply
Signal
0
Figure-3 Wiring for VDC Low Pressure Transducers
When Applied with External AC Supply.
Model PR-274/275
Technical Information
TI.274/275-01
Low Pressure Transducer
Page 3 of 5
A
Range
B C
D E
F
G H
Range Configurations (inches w.c.)
R1
R2
R3
R4
0 to .10 -0.05 - +0.05
0 to 1.0
0 to 5.0
0 to 30
0 to 0.5
0 to 2.5
0 to 15
0 to 0.25
0 to 1.25
0 to 7.5
-0.5 to +0.5
-2.5 to +2.5-
15.0 - +15.0
-0.25 to +0.25
-1.25 to +1.25
-7.5 to +7.5
-0.125 to +0.125
-0.625 to +0.625
-3.75 to +3.75
A
Range
B C
D E
F
G H
Range Configurations (pa)
R5
R6
R7
R8
0 to 25 -12.5 to +12.5
0 to 250
0 to 1250
0 to 7500
0 to 125
0 to 625
0 to 3750
0 to 62.5
0 to 312.5
0 to 1875
-125 to +125
-625 to +625
-3750 to +3750
-62.5 to +62.5
-312.5 to +312.5
-1875 to +1875
-31.25 to +31.25
-156.25 to +156.25
-937.5 to +937.5
Table-1 Range configurations for Low Pressure Transducers
with mA output