Yokogawa DR240 - Manual (Page 243)

14-16 IM DR231-01E
14.2 Specifications of Optional Functions
GP-IB Communication (when equipped with /C1)
Electrical and mechanical specifications
conform to IEEE Standard 488-1978
Code
ISO (ASCII) code
Address
0 to 15
Functions
• Talker functions
Output of measurement values (ASCII, binary); output of setting parameters (ASCII)
• Listener functions
Setting of measurement conditions, controls of starting and stopping measurement, specifying
causes of interrupts (excluding setting and control of power ON/OFF)
Causes of interrupts
Syntax error, chart end, completion of A/D conversion, operations of internal timer, end of data
saving/reading, incomplete measurement during computation
RS-232-C Communication (when equipped with /C2)
Electrical and mechanical specifications
conform to standard EIA RS-232-C
Connection method
point-to-point
Communication method
half-duplex
Synchronization mode
Start-stop synchronization (synchronized by a start and a stop bit)
Baud rate
150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400 bps
Start bit
Fixed at 1 bit
Data length
7 or 8 bits, selectable
Parity
Selectable from even, odd, or none
Stop bit
1 or 2, selectable
Transmission distance
max. 15 m
Connector
D-sub 25pin
Handshake
hardware : transmission and reception control by ‘DTR’’ ‘RTS’, ‘CTS’ signal enabled.
Software : transmission control by ‘XON’ and ‘XOFF’ enabled.
Capacity of receiving buffer
200 bytes
Escape sequence
for reception only
Functions
• Talker functions
Output of measurement data (ASCII, binary) and setting parameters (ASCII)
• Listener functions
Setting of measurement conditions, control of measurement start and stop (excluding the setting
and control of power on/off), specifying causes of ‘ESC S’ (output of a status byte)
Contents of ‘status’
Syntax error, chart end, completion of A/D conversion, operations of internal timer, end of data
saving/reading, incomplete measurement during computation