4
Elec tri cal In stal la tion
The PM4 Panel Meter is designed for continuous operation and no power switch is fitted to the unit.
It is recommended that an external switch and fuse be provided to allow the unit to be removed for servicing.
The plug in, screw type, terminal blocks allow for wires of up to 2.5mm
2
to be fitted. Connect the
wires to the appropriate terminals as indicated below. Refer to connection details provided in this chapter to
confirm proper selection of voltage, polarity and input type before applying power to the instrument. When
power is applied to the instrument will cycle through a display sequence indicating the software version and
other status information, this indicates that the instrument is functioning. Acknowledgement of correct
operation may be obtained by applying an appropriate input to the instrument and observing the reading.
The use of screened cable is recommended for signal inputs.
For wiring details for optional outputs refer to the separate “PM4 Panel Meter Optional Output
Addendum” booklet supplied when options are fitted.
Page 6 of 27
PM4RT8MAN-1.4-0
1
2 3
4 5 6
MAINS EARTH
AC ACTIVE
AC NEUTRAL
COM
REMOTE
INPUT
RELAY 1
RTD1
RTD5
RTD2
RTD6
RTD3
RTD7
RTD4
RTD8
GND
GND
N/O
(DC+)
(DC-)
A B
H
C D E F
J K
7
13
8
14
9
15
10
16
11
17
12
18
In stru ment rear panel - 2 wire connection
1
2 3
4 5
6
MAINS EARTH
AC ACTIVE
AC NEUTRAL
COM
RELAY 1
RTD1
RTD3
RTD1 3W
RTD3 3W
RTD2
RTD4
RTD2 3W
RTD4 3W
GND
GND
N/O
(DC+)
(DC-)
A
B
H
C D E F
J K
7
13
8
14
9
15
10
16
11
17
12
18
REMOTE
INPUT
In stru ment rear panel - 3 wire connection
