4.1 Configuring and Connecting the Instrument
123
You can use the RS-232C interface to control the instrument using command communications.
Items to verify before configuring settings and connecting to the instrument
Specifications
Code used: ASCII code
4.1.2 Using the RS-232C Interface
• Always turn both devices OFF when connecting and disconnecting an interface con-
nector. Otherwise, an electric shock accident may occur.
• Be sure to connect the cable to the target device’s RS-232C connector. Connecting
the cable to a connector with different electrical specifications may cause electric
shock or equipment damage.
• To avoid damage to the instrument, do not short-circuit the terminal and do not input
voltage to the terminal.
Use the LAN, RS-232C, or GP-IB interface. Using multiple interfaces simultaneously may cause the instru-
ment to malfunction, for example by interrupting communications.
Communication Method Full duplex
Start-stop synchronization
Communication Speed 9600bps/38400bps
Data Bits 8 bits
Parity None
Stop bit 1 bits
Message terminator
(delimiter)
During Receiving: LF
During Sending: CR+LF (can be switched to LF)
Flow control None
Electrical Specifications Input voltage level 5 to 15 V : ON
-15 to -5 V : OFF
Output voltage level +5 V or greater : ON
-5 V or less : OFF
Connector Pin configuration of the interface connector
(pin-contact 9-pin D-sub #4-40 attaching screws)
The I/O connector is a DTE (Data Terminal Equipment) configuration.
Recommended cable:
• RS-232C Cable (for a computer)
• 9638 RS-232C Cable (for a D-sub 25-pin connector)
See: "Connecting the RS-232C Cable" (p.125)
Note: When using a USB-serial converter to connect the instrument to a computer, you may
need a gender converter (male/female adapter) and a straight-cross converter.
PW3335 PW3335-02 PW3335-03 PW3335-04
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