95
9
Communication (RS‑232C, USB)
9.1 Features of Interface
The communication interface can be used for the following.
• Controlling the instrument using commands and acquiring data.
• Using application software.
The command table and the application software can be downloaded from the attached CD or our website
(http://www.hioki.com/).
Specications
USB
Connector Series B receptacle
Electrical Specications USB2.0 (pseudo COM port)
Class CDC class (COM mode)
Transmission speed 9,600 bps, 19,200 bps, 38,400 bps
Data length 8 bit
Parity bit None
Stop bit 1 bit
Message terminator
(Delimiter)
When received: CR+LF, CR
When transmitting: CR+LF
RS‑232C
Transmission method Communication method: Full duplex, Synchronous system: Asynchronous
communication method
Transmission speed 9,600 bps, 19,200 bps, 38,400 bps
Data length 8 bit
Parity bit None
Stop bit 1 bit
Message terminator
(Delimiter)
When receiving: CR+LF, CR
When transmitting: CR+LF
Flow control None
Electrical Specications Input voltage levels: 5 V to 15 V: ON, -15 V to -5 V: OFF
Output voltage levels: 5 V to 9 V: ON, -9 V to -5 V: OFF
Connector Layout of interface connector
(D-sub9 pin, pin contact, mating xed base screw #4-40)
The input/output connectors follow terminal (DTE) specications.
Recommended cable: 9637 RS-232C cable (for computer)
Code in use: ASCII code
9 Communication (RS-232C, USB)
9
Communication (RS-232C, USB)