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AH53/8
EL7 –
AH53/12 GM
EL7
20
Maybe you’ll need to do a short circuit between pins 2 and 4 on printer side connector, in
order to enable the line terminator resistance (already included on the cpu board).
Ind 00
Ind 01
Ind 14
2
4
Pin2
Pin3
HANDSHAKE PROTOCOL
RS 485 serial line has no handshake protocol.
In fact CTS printer signal, normally used in RS232 serial line to stop data transmission, is used here to set up the
direction of data stream.
It means that if you transmit more than 2 / 3 KBytes of data at a time it’s strongly recommended to insert a short
delay (1 or 2 msec) between transmission of each character, in order to avoid printer errors during data receiving.
Connection to personal computer may be done in different ways based on used converter.
9.2. I/O SIGNALS
Wiring for I/O signals
6 poles DIN connector
Pick & Place working mode allows an external device (i.e. PLC, photocell, pneumatic applicator, etc...)
to start or halt printing.
When Pick & Place options is enabled 3 optoisolated signals are available:
START PRINT
Input – print consent
PRINT END
Output – print end signal
ALARM
Output – auxiliary output for error conditions
These 3 signals are mapped on a 6 poles DIN tap.
DIN plug has following outline:
External view
Wiring for I/O signals
3,4 and 5 poles connectors
Pick & Place working mode allows an external device (i.e. PLC, photocell, pneumatic applicator, etc...)
to start or halt printing.
When Pick & Place options is enabled 3 optoisolated signals are available:
START PRINT
Input – print consent
PRINT END
Output – print end signal
ALARM
Output – auxiliary output for error conditions
Содержание AH 53/12 GM
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