2 PEM353
Connection
Comm.
Pulse
PEM353
LINETRAXX®
No.
Element
Description
1
LED Pulse (red)
Indication of energy pulsing
2
LED Comm. (green)
Indication of communication activity
3
Display
LCD graphic display
4
Button 1
The function of the buttons varies depending on the context. The meaning
of the buttons is always shown on the display above the corresponding
button.
5
Button 2
6
Button 3
7
Button 4
2
3
1
7
6
5
4
Overview of the terminals: The connections
are located on the back of the device.
• l11
l12
l22
l32
• l21
• l31
L1
L2
L3
N A1/+ A2/–
D+ D– DIC
DI
4
DI
3
DI
2
DI
1
DO
a
DO
b
DO
d
DO
c
• l41
NC I42
DO
a
DO
b
DO
d
DO
c
PEM353(-N) DO13 DO14 DO23 DO24
E1+
E1-
E2+
E2-
PEM353-P
L1 L2 L3 N
Measuring voltage inputs: The measuring leads should be protected with 2 A fuses.
A1/+ A2/-
Supply voltage: Power protection by a 6 A fuse, quick response.
If being supplied from an IT system, both lines have to be protected by a fuse.
.I41 NC I42
Measuring current inputs I4 (PEM353-N only)
D+ D-
RS-485 bus connection; Up to 32 devices can be connected to the bus.
The maximum cable length for the bus connection of all devices is 1200 m.
DIC DI1…4
4 Digital inputs, galvanically isolated, 24 V;
An external circuit providing at least a current
I
min
of 1 mA is required for triggering the inputs.
DOa…d
Digital outputs
PEM353(-N) features 2 configurable outputs (N/O relay)
PEM353-P features 2 pulse outputs ("Solid State Relay")
DO13
DO14
DO23
DO24
DO
E1+/E2+
E1- /E2-
.I11 I12
.I21 I22
.I31 I32
Measuring current inputs
I
1…3
Current measurement inputs must not be "protected" by fuses. Provide a shorting block for each current measurement input as described in
IEC 60364-5-55 (edition 2.2) chapter 557.5.3 (wiring diagrams: disconnect terminal of the measuring current transformers "Y"). The current
measurement inputs must not be earthed in low-voltage applications.
Operating elements
PEM353_D00335_01_XXEN / 09.2022
PEM353
