DPM3 User Manual, 1st Edition
User Manual - DPM3 Series Panel Meters
9
This instrument conforms with the following community directives: EMC 2004/108/CE and
LVD 2006/95/CE.
Refer to the instructions in this manual to preserve safety protections.
WARNING: If this instrument is not installed and used in accordance with these
instructions, the protection provided against hazards may be impaired.
To meet the requirements of EN 61010-1 standard, where the unit is permanently connected
to main supply, it is obligatory to install a circuit breaking device easily reach by the operator
and clearly marked as the disconnecting device.
To guarantee electromagnetic compatibility, the following guidelines should be kept in mind:
• Power supply wires should be separately routed from signal wires and never run in the same conduit.
• Use shielded cable for signal wiring.
• Cables section should be
≥
0.25 mm².
Before connecting signal wires, signal type and input range should be verified to be within the
right limits. Do not connect simultaneously more than one input signal to the meter.
Wiring Examples
Process Input Signal Wiring Diagrams (mA)
CONNECTION WITH EXTERNAL EXCITATION
4 wire Connection
3 wire Connection
2 wire Connection
(only 4-20mA)
TRANSDUCER
TRANSDUCER
TRANSDUCER
TRANSDUCER
TRANSDUCER
TRANSDUCER
4 wire Connection
3 wire Connection
2 wire Connection
(only 4-20mA)
0-20 mA
4-20 mA
0-20 mA
4-20 mA
0-20 mA
4-20 mA
0-20 mA
4-20 mA
4-20 mA
4-20 mA
EXTERNAL
EXCITATION
EXTERNAL
EXCITATION
EXTERNAL
EXCITATION
EXCITATION SUPPLIED BY DPM3
If the excitation supplied by the DPM3 to the transducer has to be
10V connect to the +EXC wire to PIN3 instead of PIN2
CN2
CN2
CN2
CN2
CN2
CN2
(24V)
(24V)
(24V)
