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English 81
(when optional interface board is installed)
1 INTERFACE SPECIFICATIONS
Data format
Only the data transfer speed can be set. (JP. 69)
Communication protocol
Communication is carried out in units of 1 byte. After the
PC has transmitted a single byte, it waits for a response
from the unit before sending the next byte.
An ON (F6) command is sent as the start command, and
the unit will continue to accept commands until an OFF
(F7) command is sent as the end command. Whenever the
unit receives a command, it returns an ACK (OA).
When using RJ-11 connector
A: Non-inverting driver output, non-inverting receiver input
B: Inverting driver output, inverting receiver input
Communication wire: 2-core wire
Communication system: Half duplex
Data format
To set the data transmission speed, address and
termination switch, see “Settings for RS-232C and RS-
485” (JP. 69).
Communication protocol
A proprietary Sanyo protocol (SSP: Security Serial
Protocol) is used. Use of a Sanyo system controller is
recommended.
RS-232C
Pin No. Signal Operation Signal direction
1– – –
2 RXD Reception PC → Unit
3 TXD Transmission Unit → PC
4– – –
5 GND Ground –
6– – –
7RTS
Transmission
request
Unit → PC
8– – –
9– – –
Mode Asynchronous
Character length 8 bits
Data transmission
speed
2400, 4800, 9600, 19200 bps
Parity check None
Stop bit 1
9876
54321
RS-485
Pin No. Connector A signal Connector B signal
1 Not used Not used
2 Not used Not used
3A B
4B A
5 Not used Not used
6 Not used Not used
Mode Asynchronous
Character length 8 bits
Data transmission
speed
2400, 4800, 9600, 19200 bps
Parity check None
Start bit 1
Stop bit 1
16
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