In the IP 00 (Chassis) and IP 21 (NEMA 1) units it is also possible to connect the
network from the top of the unit as shown on the picture to the right. On the
IP 21 (NEMA 1) unit a cover plate must be removed.
Installation of field installed 24 Volt external DC Supply option module
(OPC24VPS)
Torque: 0.5 - 0.6 Nm (5 in-lbs)
Screw size: M3
24 VDC external supply can be used as low-voltage supply to the control card and any I/O or network option cards installed. This enables full operation of the
Keypad (including parameter setting) without connection to mains. Please note that a warning of low voltage will be given when 24 VDC has been connected;
however, there will be no tripping.
Use 24 VDC supply of type PELV to ensure correct galvanic isolation (type PELV) on the control terminals of the frequency converter.
3.1.17 Access to Control Terminals
All terminals to the control cables are located beneath the Keypad. They are accessed by opening the door of the Nema 1 / Nema 12 or removing the covers of