Active/Reactive Power Control and LVRT (Optional)
36
6.8 Digital Input
To implementation of power management, the digital input interface receives
the specifications of the network operator via a ripple control receiver or a DRED.
H2.5/H3/H3A/H4A/H5A can access these command via DC1_100.
• Germany : The active power limitation in the stages 0%, 30%, 60% and 100%
• Italy : Power output of Max 6KW for PV plant installation.
Remote shutdown
Narrow Frequency limits between 49.5 Hz to 50.5Hz.
• Australia and New Zealand:
The inverter support the demand response mode (DRMs).
DRM 0 - Operate the disconnection device.
DRM 5 - Do not generate power.
DRM 6 - Do not generate at more than 50% of rated power.
DRM 7 - Do not generate at more than 75% of rated power.
And sink reactive power.
DRM 8 - Increase power generation.
(subject to constraints from other active DRMs)
• Customer : User defined.
Figure 6-5 : Digital input via DC1_100
Figure 6-6 : Digital input on DC1_100
Com/
DRM0
DC1_100 I/O port
H2.5/H3/H3A/H4A/H5A
DC1_100
(DRMs command received)
DRM
4/8
DRM
2/6
Dry
2
CAN-L
RS-485
-B
RS-485
-B
GND
Ref/
Gen
DRM
3/7
DRM
1/5
Dry
1
CAN-H
RS-485
-A
RS-485
-A
+12V
Wi-Fi
Wi-Fi
DRED
Utility
Agent
DRM Wi-Fi
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