Serial Interface Functions And Specifications - YOKOGAWA PZ4000 User Manual

2.2 Serial Interface Functions and Specifications

Receiving Function
Sending Function
Serial Interface Specifications
Switching between Remote and Local Modes
2-2
It is possible to make the same settings via the serial interface as can be made using the
front panel keys.
Measured/computed data, panel set-up information and error codes can be received.
Measured/computed data can be output.
Panel set-up information and the status byte can be output.
Error codes which have occurred can be output.
Electrical characteristics : Complies with EIA-574 Standard (EIA-232 (RS-232) Standard
Connection
Communications
Synchronization
Baud rate
Start bit
Data Length
Parity
Stop Bit
Connector
Hardware handshaking : User can select whether CA or CB signals will always be True,
Software Handshaking : User can select whether to control only transmission or both
Receive
when switched from Local to Remote Mode
Remote mode is activated when the "COMMunicate:REMote ON" command is received
form a controller while local mode is active.
• REMOTE is displayed on.
• All front panel keys except the LOCAL key can no longer be operated any more.
• Settings entered in local mode are retained.
When switched from Remote to Local Mode
Pressing the LOCAL key in remote mode puts the instrument in local mode. However,
this is not possible of Local Lockout (when the "COMMunicate:LOCKout ON" command
is received) has been set by the controller (page 1-6).
Local mode is activated when the "COMMunicate:REMote OFF" command regardless of
Local Lockout.
• The REMOTE indicator is turned off.
• All front panel keys are operative.
• Settings entered in remote mode are retained.
for 9 pin)
: Point-to-point
: Full-duplex
: Start-stop system
: 1200, 2400, 4800, 9600, 19200
: 1 bit (fixed)
: 7 or 8 bits
: Even, odd or no parity
: 1 or 2 bits
: DELC-J9PAF-13L6 (JAE or equivalent)
or will be used for control.
transmission and reception using X-on and X-off signals.
X-on (ASCII 11H)
X-off (ASCII 13H)
: 256 bytes
IM 253710-11E