Motor Controller Auxiliary Connector Socket; Figure 13 Rs485 Multi-Drop Connection - Edwards nEXT730D Instruction Manual

Figure 13 RS485 multi-drop connection

1. RS485 interface on control equipment 1. RS485 interface on control equipment

4.13 Motor controller auxiliary connector socket

The nEXT pump has a 4-way auxiliary connector socket on the front of the motor
controller.
The mating plug for this connector is available pre-fitted to a number of accessories or
as an accessory on its own (refer to Accessories).
The connector is intended to power a vent valve and/or fan. The connector is shown in
Figure: Valve
are energised.
The auxiliary connector output is regulated to 24 V d.c. to control the accessories, even
when the pump is operating from a 48 V d.c. supply and is protected against overload
and short circuits. If the auxiliary load current exceeds the value in
controller technical
Table 13 Motor controller technical data
Description
Connector plug
Voltage output
Current output
The motor controller connector provides two independently configured and controlled
outputs, Aux output 1 and Aux output 2. This enables any combination of fan or vent
valve accessory to be connected, configured and controlled appropriately. Aux output 1
is configured via Vent option 1 and Valve 1 type and Aux output 2 is configured via Vent
option 2 and Valve 2 type (refer to
B8J200880_D
300812671_002_C3
B8J200880_D - Technical data
connector, with the polarity of the pins marked when the vent valve or fan
data, the output will shut down to protect the motor controller.
Data
Phoenix part number SACC-DSI-M 8FS-4CON-M12/0.5
24 V d.c. -25%, +10% (18 V d.c. to 26.4 V d.c.)
750 mA
Vent valve control
Page 47
2. nEXT pump logic interface 2. nEXT pump logic interface
Table: Motor
on page 77). Aux output 1 has
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