Dewetron PUREC, Technical Reference Manual

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450182 • PU[REC] • Technical Reference Manual • Printing version 1.0.0 • November 2
nd
, 2020
MAIN SYSTEM
Signal connection
Direct voltage input
Voltage measurement
Voltage
CAUTION: Input is not isolated. Do not exceed ± 12.5 V common mode voltage.
Differential output sensor powered by the instrument
D-SUB
CONNECTOR
D-SUB
CONNECTOR
Isolated Sensor
Self-powered sensor
Battery measurement
Sensor with DIFF output
Sensor with
differential output
Mode
Mode
IN+
IN+
+5 V EXC
-5 V EXC
2
2
1
IN-
IN-
7
7
GNDi
GNDi
GNDi
GNDi
EXC+
EXC-
4
4
8
housing
housing
Simplified schematic
Simplified schematic
Range
Range
Voltage
Voltage
10 V
5 V
+
V
IN
V
IN
V+
V-
V
<10
!
1 MΩ
1 MΩ
Single-ended sensor powered by the instrument
D-SUB
CONNECTOR
Sensor with
differential output
Mode
IN+
EXC+
EXC-
2
1
IN- 7
GNDi
GNDi
EXC+
EXC-
4
8
housing
Simplified schematic
Range
Voltage
5 V
V
IN
V+
V
OUT
GND
external solder bridge