SATO CL6NX - Ready;Busy; Connection Diagram; I;O Signal

651
READY/BUSY
This communication protocol controls the reception of print data by the control of hard signal only
without having software methods.
When the print data (STX <A> ~ <Z> ETX) has been sent from the host in the conditions below,
received data may not be accurate:
1) When the printer is in offline state.
2) When an error has occurred in the printer.
Connection diagram
I/O signal
Timing chart of multiple receive
Parent topic RS-232C
Connection diagram
1) DB-9P
Printer
Host
CD
1
1
CD
RD
2
3
SD
SD
3
2
RD
ER
4
6
DR
SG
5
5
SG
DR
6
4
ER
RS
7
8
CS
CS
8
7
RS
Parent topic READY/BUSY
I/O signal
Pin No. Signal
name
I/O Description
2 RD Input Data transferred from the host to the printer
3 SD Output Data transferred from the printer to the host
4 ER Output Data device ready
5 SG - Signal ground
6 DR Input Data set ready
7 RS Output Transmission request
8 CS Input Transmission available
Parent topic READY/BUSY