Bender PEM353 User manual
1
Universal measuring device
This quick-start guide does not replace the operating manual. The
manual is available in the download area of our homepage
(https://www.bender.de/en/service-support/downloads).
Make sure that the personnel has read the operating manual and un-
derstood all instructions relating to safety.
Scope of delivery
1 x PEM353, 1 x rubber seal, 4 x retaining clips, 1 x safety instructions
for Bender products (multilingual), 1 x quick-start guide
Intended use
The PEM353 is suitable for use in 2-, 3- and 4-wire systems and in their respective versions as TN, TT and IT
systems. The current measurement inputs of the PEM353 are always connected via external …/1A or …/5A
measuring current transformers. In principle, measurements in medium and high-voltage systems are car-
ried out via voltage transformers.
Use for the intended purpose also includes:
Device-specific settings compliant with local equipment and operating conditions
Adhering to the manual
Any other use than that described in this manual is regarded as improper.
Safety instructions
Installation
Risk of fatal injury due to electric shock!
Touching live parts of the system carries the risk of an electric shock, damage to the electrical installation
or destruction of the device.
Before installing and connecting the device, make sure that the installation has been de-energised.
Observe the rules for working on electrical installations.
Refer to the rated and supply voltage values as specified in the technical data!
DANGER
Dimensions in mm
96
67
47.3
96
91.5 13.2 47.3
91.5
7
96
67
Quick-start guide
PEM353
PEM353_D00335_00_Q_XXEN/06.2018
EN
2PEM353_D00335_00_Q_XXEN/06.2018
Connection
Legend
Mounting in a front panel
Mounting opening 92 mm x 92 mm (max. 92.8 x 92.8 mm).
1. Mount the rubber seal on the back of the device.
2. Insert the device into the mounting opening of the front panel.
3. Place the four retaining clips over the device corners from behind.
4. Push the retaining clips tightly against the front plate.
5. Check the device to ensure that it is firmly installed.
The device is installed.
No. Connections
1Measuring voltage inputs: The measuring leads should be protected with 2 A fuses.
2Supply 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.
3Measuring current inputs I4(PEM353-N only)
4RS-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.
5
4 Digital inputs, galvanically isolated, 24 V;
An external circuit providing at least a current Imin of 1 mA is
required for triggering the inputs.
6
92
92
• l11 l12 l22 l32
• l21 • l31
L1 L2 L3 N A1/+ A2/–
D+ D– DIC DI
4
DI
3
DI
2
DI
1DO
aDO
bDO
d
DO
c
• l41
NC I42
DO
aDO
bDO
d
DO
c
PEM353(-N) DO13 DO14 DO23 DO24
E1+ E1- E2+ E2-
PEM353-P
12
6
7
5
4
3
Overview of the terminals:
The connections are located on
the back of the device
DI1 DICDI2 DI3 DI4
DO13 DO14
DO23 DO24
DO
E1+/E2+
E1- /E2-
PEM353-P features 2 pulse
outputs ("Solid State Relay")
PEM353(-N) features 2 configurable
outputs (N/O relay)
Digital outputs
3
PEM353_D00335_00_Q_XXEN/06.2018
Connection diagrams
Connect the device according to the connection diagram. Please observe the technical data.
7
Measuring current inputs I1…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.
1P2W L-N
Source Load
1P2W L-L
Source Load
1P3W with 2 measuring current transformers
Source Load
3P3W with 3 measuring current transformers
Source Load
3P4W with 3 (4) measuring current transformers
Source Load
In principle, measurements in medium and high-
voltage systems are carried out via voltage trans-
formers. Please refer to the manual for wiring dia-
gram examples.
L1 L2 L3 N
PEM
N
Ri
L1
Y
I31 I11I22I21 I12I32
L1 L2 L3 N
PEM
L2
Ri
L1
Y
I31 I11I22I21 I12I32
PEM
I31 I11I22I21 I12
I32
L1 L2 L3 N
Ri
Y
N
L2
L1
PEM
I31 I11I22I21 I12I32
Y
L2
L3
L1
L1 L2 L3 N
R
i
PEM
L1
L2
L3
N
I31 I11
I22I21
I12
I32
Y
I41 I42
Ri
L1 L2 L3 N
©Bender GmbH & Co. KG
Alle Rechte vorbehalten.
Nachdruck nur mit Genehmigung
des Herausgebers.
Änderungen vorbehalten!
Fotos: Bender Archiv
Bender GmbH & Co. KG
Postfach 1161 • 35301 Grünberg • Germany
Londorfer Str. 65 • 35305 Grünberg • Germany
Tel.: +49 6401 807-0 • Fax: +49 6401 807-259
E-Mail: info@bender.de • www.bender.de
Manual: www.bender.de/manuals
All rights reserved.
Reprinting only with permission
of the publisher.
Subject to change!
Photos: Bender Archive
Operating elements
Setup menu overview
No. Element Description
1Pulse LED (red) Indication of energy pulsing
2Comm. LED (green) Indication of communication activity
3Display LCD graphic display
4Button 1 The function of the buttons varies depending
on the context. The meaning of the buttons is
always shown on the display above the corre-
sponding button.
5Button 2
6Button 3
7Button 4
Browse: View
configuration
Enter Password:
The configura-
tion can be
changed after
entering the cor-
rect password.
(Factory setting:
0000)
Comm.
Pulse
PEM353
LINETRAXX®
12
3
4567
Browse / Enter Password
Setpoints
Comm.
Display
Information
Timeout, Contrast, Language, Delimiter, Main 1...4,
Setpoint LCD Alarm
Group 1...9: Type, Parameter, OverLimit, UnderLimit,
ActiveDelay, InactiveDelay, Trigger 1...2
Clock
Maintenance
Basic
Wiring Mode, PT Primary, PT Secondary,
CT Primary, CT Secondary, I4 Primary, I4 Secondary,
PF convention, kVA calculation, CT1...3 polarity,
THD calculation method, Demand Period, No. of windows,
Predicted response, EN pulse constant, LED EN pulse,
EN Period, kvarh Calc., On Time Threshold
COM1...2: Protocol, Unit ID, Baud rate, Data format
Time, Date, Date format
Password Setup, Clear registers, Clear all data, DO control
Firmware, Update, Modbus, BACnet MSTP, DNP,
Serial number
Setup
I/O Digital Input: Function, Debounce, Pulse weight
DO Pulse width: DO1, DO2
DO Function
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