No. 99MBB122A
17-12
17.12 RS-232C Communication Specifications
■ Communication conditions
Setup item Description
Baud rate 9600, 19200, 38400
Parity NON, EVEN, ODD
Data bits 8 bits (fixed)
Stop bit 1 bit (fixed)
● Command form
Communication command form consists of 2 bytes header section, 3 bytes sub-field
section, data section and EM (end mark) section.
Header
(2 bytes)
Sub-field
(3 bytes) Data
*1
EM
(1 byte)
* * * * * * * * * - CR
EM: End mark
CR: Carriage return code
*1: Data section can be omitted.
● Response form
Following form is returned when processing has normally/abnormally completed.
Header
(2 bytes)
Data
EM
(1 byte)
OK * * * * - CR → Successful termination
NG Error code CR → Abnormal termination
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