Wire Terminal Function
White X912:a SLP 485 a
Orange X912:b SLP 485 b
Shielding Electrical ground Shield terminal
White CAN_H
Darkgreen CAN_L
Shielding Electrical ground Shield terminal
7.10 Selection of the Frequency Inverter
There are three possibilities to select the frequency inverter with the
bp308. Depending on the type of inverter, the unit can be selected by
means of the CAN Bus, the DCP interface or by wiring in parallel with
the controller/pre-control module RVM-01.
7.10.1 Selection by CAN Bus
If your inverter has got a CANopen interface according to the applica-
tion profile CiA-417, you should interconnect it with bp308 via the
CAN Bus. This way of selecting the inverter is the least complex as
regards installation and configuration due to the fact that the stand-
ardised application profile enables plug-and-play to a certain extent
as well as excellent diagnostics.
Connect the inverter to the CAN1 connector of bp308 according to
the circuit diagrams enclosed. Lay the cables and terminate the bus
lines in compliance with the instructions of section 7.8.4.
7.10.2 DCP-Connection to the Inverter
The DCP interface serves as a serial connection between lift control
unit and inverter. It is an RS485 point-to-point connection.
The DCP interface is put on the top 3-pole plug connector on the
left side of the BPC in bp308. The pin assignment is given in the fol-
lowing table.
7.10.2.1 Pin Assignment of DCP Plug Connector
Pin Signal Description
5 COM Electric ground of the signal (optional )
6 B Signal line RS485 inverted
7 A Signal line RS485
Connect the signal lines to the corresponding terminals of the
inverter. Optionally, you can connect the electric ground of the signal
(please refer to manufacturer’s manual of your inverter). The cable
should be twisted and shielded. The shielding is to be installed on
70 Installation Manual System »bp308« – Electrical Installation
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