Datasheet
ENERGYMID
EM2281/EM2289/EM2381/EM2387/EM2389
Energy Meters
4 GMC-I Messtechnik GmbH
Order Information
1
Not approved in Switzerland
2
In the case of the U238x and Q9, pulse rates are read out with reference to the pri-
mary winding:
3
cannot be ordered in combination with W1 ... W7
4
cannot be ordered in combination with V1 ... V9
Feature Q1 (only secondary display is calibrated)
Only secondary values (menu selection) may be used for billing
purposes.
Sample Order
4-wire system, any load,
with reactive energy measurement, with MID approval,
programmable transformation ratio, input voltage: 400 V,
with standard S
∅
pulse output, no bus connection, no load profile
Designation: U2389 M2 P0 Q1 U6 V1 W0 Z0
Designation Article Number / Feature
EM2281 energy meter for 2 wire systems, 230 V, direct 5(80) A U2281
EM2289 energy meter for 4-wire systems, any load, direct 5(80) A U2289
EM2381 energy meter for 2-wire systems, 230 V, transformer
1(6) A (incl. 5(6) A)
U2381
EM2387 energy meter for 3-wire systems, any load, transformer
1(6) A (incl. 5(6) A)
U2387
EM2389 energy meter for 4-wire systems, any load, transformer
1(6) A (incl. 5(6) A)
U2389
Multifunctional Variant / Display Without M0 M0 M0 M0 M0
With U, I, P, Q, S, PF, f, THD, I
N M1 M1 M1 M1 M1
With reactive energy
1
M2 M2 M2 M2 M2
With U, I, P, Q, S, PF, f, THD, I
N
&reactive energy
1
M3 M3 M3 M3 M3
Reference voltage U
n
100 ... 110 V L–L — — — U3 U3
230 V L–N U5 — U5 — —
400 V L–L — U6 — U6 U6
500 V L–L — — — U7 —
MID approval with declaration of conformity MID approval P0 P0 P0 P0 P0
MID approval and calibration certificateP9P9P9P9P9
Pulse output
Without (only with bus connection)
V0 V0 V0 V0 V0
Can be calibrated, 1000 pulses per kWh
2
S0, standard
3
V1 V1 V1 V1 V1
Programmable rate: 1 ... 1000 pulses per kWh sec.
S0, programmable
3
V2 V2 — — —
Programmable rate: 1 ... 50,000 pulses per kWh sec.
2
S0, programmable
3
——V2V2V2
Can be calibrated, Switching output up to 230 V, 1000 pulses per kWh
2
230 V, standard
3
V3 V3 V3 V3 V3
Switching output up to 230 V, programmable rate 1 … 1000
230 V, programmable
3
V4 V4 — — —
Switching output up to 230 V, programmable rate
2
1 ... 50,000
230 V, programmable
3
——V4V4V4
Can be calibrated, 100 pulses per kWh S0, 130 ms, 100 pulses per kWh
3
V7 V7 — — —
Can be calibrated, 100 pulses per kWh, depends on CT x VT with Q9
S0, 130 ms, 100 pulses per kWh
3
——V7V7V7
Can be calibrated, 1000 pulses per kWh, not with Q9 S0, 130 ms, 1000 pulses per kWh
3
——V8V8V8
Can be calibrated, 2000, 5000, 10000 pulse per kWh
VTA: entry for S0 100 ... 20,000 (with U6 or U7)
VTB: entry for S0 100 ... 50,000 (with U5)
VTC: entry for S0 100 ... 50,000 (with U3)
Customer-specific S0
3
not with Q9 — — V9
—
VTB
= _____
—
V9
VTA
= _____
—
VTC
= _____
V9
VTA
= _____
—
VTC
= _____
Bus connection None (only with pulse output) W0 W0 W0 W0 W0
LON
4
W1 W1 W1 W1 W1
M-Bus
4
W2 W2 W2 W2 W2
TCP/IP
4
(BACnet
4
, Modbus TCP, HTTP) W4 W4 W4 W4 W4
Modbus RTU
4
W7 W7 W7 W7 W7
Transformer ratios
Fixed current/voltage, calibrated main display CT=VT=1 — — Q0 Q0 Q0
Programmable current/voltage, calibrated secondary display Programmable CT, VT (
CT x VT
≤
100,000) — — Q1 Q1 Q1
Fixed current/voltage, calibrated main display
QCT = 1 ... 10,000, QVT = 1 ... 1000, CT x VT
≤
1 million
CT, VT fixed — — Q9
QCT
= _____
QVT
= _____
Q9
QCT
= _____
QVT
= _____
Q9
QCT
= _____
QVT
= _____
Load profile None Z0 Z0 Z0 Z0 Z0
Included
(only with bus connection)
Z1 Z1 Z1 Z1 Z1
Pulse Rate Table For V1 and V3,
calibrated
V7 For V2 and V4,
not calibrated
CT x VT Fixed Programmable
2 … 10
1000 pulses per kWh
100 1 … 1000 pulses per kWh
11 … 100
100 pulses per kWh
10 0.1 … 100 pulses per kWh
101 … 1000 10 pulses per kWh 1 0.01 … 10 pulses per kWh
1001 … 10,000
1000 pulses per MWh
100 1 … 1000 pulses per MWh
10,001 … 100,000
100 pulses per MWh
10 0.1 … 100 pulses per MWh
100,001 … 1,000,000
10 pulses per MWh
1