Digital Input / Drm & Epo Functions; Dry Contact Connection - Delta RPI E5 Operation And Installation Manual

4.8 Digital Input / DRM & EPO Functions
Communication Module has 1 set of emergency power off function (EPO).
When the VCC and INV OFF pins are short-circuited, inverter will shut down
immediately. The module also provides 6 sets of digital input function (K1~K6).
Please refer to Table 4-7 for the digital input definition. The suitable electric wire
is 30-16AWG.
VCC & INV OFF
VCC & K1
VCC & K2
VCC & K3
VCC & K4
VCC & K5
VCC & K6
Table 4-7 : Definition of digital input & EPO functions
In Australia and New Zealand, the Demand Response Modes (DRMs) are
also use digital input function to assert. The definition is different from normal
digital input function; please refer to Table 4-8 for the DRMs pin definitions.
Short
VCC & INV OFF
VCC & K1
VCC & K2
VCC & K3
VCC & K4
VCC & K5
VCC & K6
Table 4-8 : Definition of DRMs for Australia and New Zealand

4.9 Dry Contact Connection

Communication Module has 1 set of Dry Contact. The trigger condition of this
function can be customized by Installer. When the function is triggered, the output
two ports will be short-circuited. Please refer to section 5.3.8 Install Settings for
more details about trigger condition assignation.
Short
Emergency power off (EPO)
0% active power
Maximum 30% active power
Maximum 60% active power
Maximum 100% active power
Reserved
Reserved
DRM 0 (Disconnect from grid)
DRM 5 (0% generate power)
DRM 6 (50% generate power)
DRM 7 (75% generate power and sink reactive power)
DRM 8 (100% generate power)
Reserved
Reserved
Inverter's action
Inverter's action
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Wiring