CC/DATA connector
Data pin definitions
Data specifications
6.
7.
8.
9.
10.
DATA IN +
DATA IN –
DATA OUT +
DATA OUT –
GND
● 1x RS-422/485 (2- or 4-wire)
● 300 b/s to 230.4 kbps
RS-485 definitions
Note: For 2-wire RS-485 use pins 6 and 7.
5.3
Connect digital I/O
The BC840 is equipped with two digital inputs and two digital outputs for alarm applications.
To connect alarm devices
1
Insert the alarm wiring into the supplied 5-pin terminal block.
For the connector pin definitions, see the diagram below.
2
Connect the terminal block to the CC connector.
For information about configuring alarm settings via the Application webpage of the
BC840, see the User Manual.
CC/DATA connector Equivalent circuits
CC Output specification
● Power transistor output
● Max drain current: 1 A
● Max voltage: 30 V to GND
● ON-resistance: max 20 mΩ
1
GND
2
CC IN 1
3
CC IN 2
4
CC OUT 1
5
CC OUT 2
Digital I/O definitions
Cable connection
16