Hitachi PH - Setting Communication Environment

6-2 ● Setting Communication Environment
6.2 Setting Communication Environment
6.2.1 Setting Communication Environment
(1) Overview
Function Description Default
State at
power-up
● Comm. port is OFF : Offline mode when the
power is turned on.
● Comm. port is ON : Online mode when the
power is turned on.
● OFF fixed : Always offline mode
and you cannot change
to the online mode.
Comm. port is OFF
Baud rate
● Sets the baud rate at which communication is
established with the outside.
● Eleven different settings are selectable: 150,
300, 600, 1,200, 2,400, 4,800, 9,600, 19,200
or 38,400bps.
4,800bps
Data format
● Sets the data length, parity bit, and stop bits
for communication with the outside.
● The following settings are available.
Data length: 7 or 8 bits
Parity bit: none, odd, or even
Stop bits: 1 bit or 2 bits
Data length: 8 bit
Parity bit : none
Stop bits : 1 bit
Number of
comm. bytes
● Sets the number of character code bytes for
communication with the outside.
● A setting of 1 byte or 2 bytes can be selected.
1 byte
BCC code
handling
● Setup can be performed so that no
communication error occurs even if BCC
code attached data is received.
Disable
Communication
mode
● Overwrite-protected: No new data will be
received until the
previously received
data is printed.
● Overwrite-enabled : New data is received
even if the previously
received data has not
been printed.
The newly received
data overwrites the
old data.
Overwrite-
protected
Print message
transfer ACK
● t=fixed : The time from receiving the print
to description from an external
device sending ACK becomes
nearly fixed regardless of the
transmission volume.
● t=async. : The system will be ready to print
immediately after returning ACK.
t=async.
Print spec.
transfer char.
height
● 2 digits: Uses 2-digit data for character height
setting ([00] to [99]) transmission.
● 3 digits: Uses 3-digit data for transmission.
2 digits
Communication
and
signal error
● Warning : An external communication error
and external signal error are
considered to be "Warning."
● Fault : An external communication error
and external signal error are
considered to be "Fault."
Warning
2
1
3