PowerWalker AS_400 Card 3 - Manual (Page 7)

7
2. Definitions
2.1. Common items
(1) Computer (Software) has Initiative for communicate by this protocol.
Computer will send command ended with <cr>.
Dry contact Management Card will respond the information of ended with <cr>
Note : <cr> means ASCII code “Carriage Return” (HEX-code 0D).
(2) All the information is provided in ASCII format.
(3) Communication start timing
Dry contact Management Card should be received the command from PC, and send the right
response to PC.
2.2. Serial Data format
Dry contact Management Card data will be provided at 2400 baud rate and consist of 1 start bit, 8 data
bits, no parity, and 1 stop bit.
BAUD RATE: 2400 band
DATA LENGTH: 8 bits
STOP BIT: 1 bit
PARITY: NONE
Data format figure:
Start b0 b1 b2 b3 b4 b5 b6 b7 Stop