6
GMC-I Gossen-Metrawatt GmbH
3
Pulse Output – Bus Interfaces
underligned values are default values in as-delivered condition
The
interface descriptions
for the active energy meters are
available on the Internet under www.gossenmetrawatt.com.
Pulse rates
fix V1/V3
Programmable V2/V4
Direct
U1281 / U1289
1000 pulses/kWh
1
…
1000 pulses/kWh
Transformer
U1381 / U1387 / U1389
f (secondary)
f (secondary)
CT = VT = 1 (Q0)
1000 pulses/kWh 1
…
1000
…
10000 pulses/kWh
CT, VT progr. (Q1)
1000 pulses/kWh 1
…
1000
…
10000 pulses/kWh
CTxVT; CT, VT fixed (Q9)
f (primary)
f (primary)
1
…
10
1000 pulses/kWh
1
…
1000 pulses/kWh
11
…
100
100 pulses/kWh
0,1
…
100 pulses/kWh
101
…
1000
10 pulses/kWh
0,01
…
10 pulses/kWh
1001
…
10000
1 pulses/kWh
1
…
1000 pulses/MWh
10001
…
100000
0,1 pulses/kWh
0,1
…
100 pulses/MWh
100001
…
1000000
0,01 pulses/kWh
0,01
…
10 pulses/MWh
R
L
+
20
21
U
t
External Voltage Source
Energy Import
max. 40 V
R
L
20
21
U
t
AC/DC
Energy Import
max. 375 V
~
24 V DC
I = max. 100 mA
I = max. 27 mA
U
U
External Voltage Source
Pulse duration: 30 ms + 5%, Interpulse period: > 30 ms