Handleiding Gossen Metrawatt ENERGYMID EM2381 Energiemeter
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Handleiding
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Operating Instructions
3-349-868-03
7/8.21
Gossen Metrawatt GmbH
Südwestpark 15
90449 Nürnberg, Germany
Phone+49-911-8602-111
Fax+49 911 8602-777
e-mail[email protected]om
www.gossenmetrawatt.com
ENERGYMID
Electronic Energy Meters
Direct conn. EM2281/EM2289
Transformer conn. EM2381/2387/2389
©
Gossen Metrawatt GmbH
Edited in Germany • Subject to change without notice / Errors excepted •
A pdf version is available on the Internet
All trademarks, registered trademarks, logos, product names, and company
names are the property of their respective owners.
1Scope of Delivery
1Energy meter
2Operating instructions (German and English)
1Calibration certificate (with feature P9 only)
Important information such as technical data, interface descrip-
tions, and operating instructions for features can be found on the
Internet. The link can be found on the cover page.
2Safety Precautions – Symbols
–Check the specified nominal voltage on the serial
plate before placing the instrument into service.
–Observe maximum pulse output voltage.
–When wiring the instrument, make sure the connec-
tor cables are not damaged, and that they are volt-
age-free.
–If it can be assumed that safe operation is no longer
possible, the instrument must be immediately
removed from service (disconnect input voltage!).
Safe operation can no longer be relied upon if the
instrument demonstrates visible damage.
The device may not be placed back into operation
until troubleshooting and repair have been per-
formed, and calibration and dielectric strength have
been tested and approved at our factory or an autho-
rized service center.
–Voltage conducting parts may be exposed if the
cover is opened.
If balancing, maintenance or repair of a live open
instrument is required, this may only be carried out by
trained personnel who are familiar with the dangers
involved.
–When connecting measuring current, it is important
to provide for low-ohmic contact and to select an
appropriate conductor diameter.
Meanings of Symbols on the Instrument
DE MTP 17 B 002 MI-003 (EM228x)
DE MTP 16 B 004 MI-003 (EM238x)
DE MTP 20 B 004 (EM228x Z2)
DE MTP 20 B 005 (EM238x Z2)
Prototype test certificate
Total insulation,
protection class II device
Warning concerning a point of danger
(attention, observe documentation!)
This device may not be disposed of with the
trash. Further information can be accessed on
the Internet at www.gossenmetrawatt.com by
entering the search term “WEEE”.
Metrology mark
with indication of year (M16) and register
no. of the notified body for module D,
country-specific calibration validity period
Marking with stamp of the federally approved
test laboratory
(for recalibration only)
Tamper-Proof Sealing – Opening the Meter / Repairs
Tamper-Proof Calibration Sealing with Manufacturer’s Seal
(at the side)
If the manufacturer’s seal is damaged or removed, all
guarantee claims are rendered null and void.
The meter may only be opened by authorized, trained per-
sonnel in order to ensure flawless operation and to assure
that the guarantee is not rendered null and void.
If it can be ascertained that the
meter
has been opened
by unauthorized personnel, no guarantee claims can be
honored by the manufacturer with regard to personal
safety, measuring accuracy, compliance with applicable
safety measures or any consequential damages.
Tamper-proof sealing for the terminal cover may be
attached either to the left or the right of the terminal
cover.
3Rating Plate Entries
4Connector Pin Assignments and Wire Gauge
Note: Observe the wiring diagrams in the top and bot-
tom terminal covers.
Meas. Inputs, EM228X Direct Meter (top & bottom terminals)
Meas. Inputs, EM238X Transf. Meter (bottom terminals)
Connections (top terminals)
5Pulse Output – Bus Interfaces
Default setting: active energy
Terminal 23 (SØ1) import, terminal 25 (SØ2) export
*Type of energy can also be selected with feature V2, V4.
Underlined values
are default values.
!
M16
1948
EBY
8
16
ConnectionsDirect, EM228XTransformer, EM238X
Current inputSolid wire 16 sq. mm
Fine wire 25 mm
2
or
16 mm
2
with wire end ferrule
Tightening torque:
3-4 Nm
Solid wire 4 sq. mm
Tightening torque:
0,5-0,6 Nm
Voltage input
N: solid wire 2.5 sq. mm
Tightening torque:
0,4 Nm
Solid wire 4 sq. mm
Tightening torque:
0,5-0,6 Nm
SØ pulse output
Bus output, tariff input
(power utility pulse)
Solid wire 2.5 sq. mm
Tightening torque:
0,4 Nm
Solid wire 2.5 sq. mm
Tightening torque:
0,4 Nm
TCP/IP
RJ-45 (8P8C)
Prototype test certificate
Accuracy class / operating temperature
Pulse output
Type designation (article number)
Energy export / energy import
Nominal voltage
Imin - In (Imax.) / nominal frequency
Warning
Protective insulation
Symbol for system type
Year of manufacture
Metrology mark
LED constant
2D code
or
calibration
mark
(feature P9)
EBY
8
16
Serial number
Up key
Enter key
Current/voltage transformer ratio
Anti-reversing for
the registers in both
energy directions
Bidirectional meter
L2
L1
L3
VoltageVoltage
CurrentCurrentCurrent
Voltage
CurrentCurrentCurrent
N
Voltage
VoltageVoltage
CurrentCurrentCurrent
L3
L2L1N
Current
CurrentCurrent
Tariff
Connections
W1:LON
W2:M-Bus
W4: TCP/IP
W7:Modbus RTU
V1 ... 9:SØ pulse output
TbTnTa
TCP/IP
Pulse RatesV1/V3,
fixed
V7
V8V9,
fixed
V2/V4, programmable
[pulses per kWh]
Direct
U228x
1000100——1 1000 pls/kWh
Transformer
U2381 / U238x
f (secondary)
100 ...
CT x VT = 1 (Q0)1000
100
1000
5000011000
10,000 pls/kWh
CTxVT=1(Q0)U6/7
1000
100
1000
2000011000
10,000 pls/kWh
CTxVT=1(Q0) U31000
100
1000
5000011000
10,000 pls/kWh
CT, VT, progr. (Q1)1000
100
1000
5000011000
50,000 pls/kWh
CT, VT, progr. (Q1)U6/7
1000
100
1000
2000011000
50,000 pls/kWh
CT, VT, progr. (Q1)U3
1000
100
1000
5000011000
50,000 pls/kWh
CTxVT; CT, VT, fixed (Q9)
f (primary)
f (primary)
2 101000100——1 1000 pls/kWh
11 10010010——0.1 100 pls/kWh
101 1000101——0.01 10 pls/kWh
1001 10,0001100——1 1000
pls/MWh
10,001 100,000
0.110——0.1 100
pls/MWh
100,0011,000,000
0.011——0.01 10
pls/MWh
R
L
+
24
23/25
U
t
External Voltage Source
Energy type*
Max. 40 V
R
L
24
23/25
U
t
AC/DC
Energy type*
Max. 375 V
~
24 V DC
I = max. 100 mA
I = max. 27 mA
UU
External Voltage Source
Standard pulse duration: 30 ms + 5%, interpulse period: > 30 ms
V7/V8 pulse duration: 130 ms + 5%, interpulse period: > 130 ms
V3 / V4
6Display and Control Panel
6.1Test LEDs
The test LEDs are located above the control keys. The left-
hand LED indicates energy export, and the right-hand LED
energy import. LED blinking frequency increases along
with measured power. If all currents are smaller than start-
ing current, both LEDs light up continuously.
LED Constant
EM228x: 10,000 pls/kWh(direct meter)
EM238x: 100,000 pls/kWh(transformer meter)
6.2Resolution, Main Display (large characters) Energy Import
Internally, increased resolution is used for counting. As
a result, the total register may be a few digits higher
than the sum of the individual registers in the last place
when using multi-tariffs
.
*An additional place to the right of the decimal point is included
for the calibration display in the case of a main display which
can be calibrated (Q0 or Q9). And thus the leading digit is
eliminated in the case of an 8-place display.
**In the case of Q1, the secondary display can be calibrated
Q0,
for which reason display overflow is based on the secondary display.
The normal display is shifted one place to the left if necessary.
6.3Meanings of Symbols at the LCD
u Main display
, not calibrated (feature Q1,
programmable CT/VT, see section 6.2).
T1 ... T8: active tariff
Display of instantaneous power in 4 quad-
rants: positive or negative active power P,
positive or negative reactive power Q.
Correct connection:
Continuous illumination of the phase symbols
where P 0
Phase failure:
Symbol for affected phase is cleared from the display.
Incorrect phase sequence:
Phase symbols blink in following order: 3 - 2 - 1.
The background illumination blinks red.
Negative power:
Respective phase symbol blinks.
For bus connection: appears when
the meter transmits a data packet.
Key symbols for parameters configuration
(see next column)
Key Symbols for Parameters Configuration
for Feature Q1 and V2, V4:
Key and 2
nd
key bit blanked:
Parameter CT, VT and SØ configurable according
to features, disabling with enable key.
Key displayed with one bit:
Parameter CT, VT and SØ disabled,
change after activating the enable key.
Remaining feature combinations:
Key blanked, 2
nd
key bit displayed:
parameters CT, VT or SØ (which are or can be cali-
brated) are preset at the factory, can be queried in the
display mode, other parameters can be set by the
user.
Key displayed with 2
nd
bit: parameters which are or
can be calibrated are preset at the factory; other
parameters are disabled with the enable key and
must be reset after clearing disabling.
Values which are preset at the factory are printed addi-
tionally on the rating plate.
6.4LCD Background Illumination
Background illumination is activated each time a key is
activated. Background illumination goes off after about
2 minutes.
Background illumination colors indicate various display
menus:
–White:query menus
–Red:display of firmware version
–Pink:parameters display and setting menu
–Blinking red: in case of error
6.5Key Operation
Querying Parameter Values
In addition to the LCD test, the UP and ENTER keys also
make it possible to query currently set parameter val-
ues, as well as to change parameters for certain fea-
tures after first pressing the enable key.
If no keys are pressed for a period of 1 minute, the
meter is returned automatically to its standard display.
Parameters can be changed for the following meters:
Parameters CT and VT for U238x with feature Q1,
Parameter SØ for U228x/U238x with feature V2/V4
Further parameters in accordance with the interface
description.
a) Enabling Parameter Changes
The enable key makes it possible to enable or disable
parameter changes. It’s located underneath the top ter-
minal cover between terminals 21 and 22 and is acti-
vated with a pointed object (e.g. a ballpoint pen).
Pressing the enable key activates the “change parame-
ters” operating mode (key off):
Pressing the enable key again disables the “change
parameters” operating mode (key on):
If no keys are pressed for a period of about 2 minutes,
the “change parameters” operating mode is exited auto-
matically and disabled (key on).
b) Changing Parameter Values
➭Briefly press the enabling key as described in point
a) above (this activates the “change parameters”
operating mode).
➭See the operating overview on the back with regard
to changing the parameters.
➭Press and hold the ENTER key until the firmware ver-
sion appears (red background).
➭Press the UP key. The display test appears.
Briefly press and hold the ENTER key in order to dis-
play two further test patterns.
➭Then repeatedly press the UP key until the parame-
ter to be changed appears at the display.
➭Briefly press the ENTER key in order to access the
setting menu.
➭The input cursor blinks at the leftmost entry posi-
tion. Each tine the ENTER key is pressed the cursor
is advanced to the next position to the right. The
value of the blinking digit can be increased by
pressing the UP key. When the rightmost digit is ac-
knowledged by pressing the ENTER key, the se-
lected value is accepted and SAVinG appears
briefly at auxiliary display 2. If no keys are pressed
for a period of about one minute, the setting menu
is exited.
➭Press and hold the ENTER key or wait for one minute
in order to change to the normal display.
➭Press the enable key once again. This disables the
“change parameters” operating mode.
Disabling takes place automatically after 2 minutes.
Meter /
Feature
CTxVT
min.
CTxVT
max.
Normal
display
Calibration
display *
Unit
U2281,
U2289
——123456.7823456.789kWh
U238x
Q0
1112345.6782345.6789kWh
Q9
2412345.6782345.6789kWh
540123456.783456.7890kWh
414001234567.834567.890kWh
401400012345678345678.90kWh
400140000123456.783456.7890MWh
400014000001234567.834567.890MWh
400001100000012345678345678.90MWh
Q1 **
14u12345.67**kWh
540u123456.7**kWh
41400u1234567**kWh
4014000u12345.67**MWh
400140000u123456.7**MWh
40001100000u1234567**MWh
Main display (active energy* in kWh or MWh)
Auxiliary display 1 (active power* in kW or MW)
* EM238x transformer meter: CT and VT are taken into account
Auxiliary display 2 (e.g. IN, OUT for import or export)
In case of error: error code alternates with current display
(M2/M3: reactive energy* in kVArh or MVArh)
(M2/M3: reactive energy or power in kVAr(h) or MVAr(h)*)
Power: negative sign for export
Enable Key
Repair and Replacement Parts Service
Recalibration
Recalibration can be conducted at any time by our fed-
erally approved test laboratory (EBY-8).
GMC-I Service GmbH
Service Center
Beuthener Straße 41
90471 Nürnberg, Germany
Phone+49-911-817718-0
Fax+49-911-817718-253
e-mailservic[email protected]
www.gmci-service.com
This address is only valid in Germany. Please contact our
representatives or subsidiaries for service in other coun-
tries.
Industrial Product Support
If required please contact:
Gossen Metrawatt GmbH
Industrial Product Support Hotline
Phone+49-911-8602-500
Fax+49-911-8602-340
e-mailsuppo[email protected]
Read and adhere to the complete supplementary
product documentation which can be found on the
Internet at www.gossenmetrawatt.com
> Englisch > Products > Industrial Measurement > Energy
Meters > EM2281 ... EM2389
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Specificaties
| Merk | Gossen Metrawatt |
| Model | ENERGYMID EM2381 |
| Categorie | Energiemeters |
| Bestandstype | |
| Bestandsgrootte | 0.52 MB |
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