Procedure To Connect The Serial And I/O Ports To An External Cable - Agilent Technologies TwisTorr Medium-TMP Bedienungshandbuch

17 Technical Information
Procedure to Connect the Serial and I/O
Ports to an External Cable
A serial communication kit with a serial cable and the
A-plus software (p/n 9699883) is available (optional).
SERIAL CABLE INSTALLATION The supplied serial cable must be
installed when the TwisTorr Medium-TMP Rack Pumping System has
to be controlled by means of a remote personal computer.
The cable is installed fixing the 9 pin D-type Male connector into the
J2 serial connector.
Procedure to Connect the Serial and I/O Ports to an
External Cable
The following picture shows the right procedure to connect a cable to
the I/O or to the serial port connector.
A shielded cable of 30 m maximum length has to be utilized for both
serial and I/O port connections.
Take care to have a good contact (soldered) between the metallic connector
NOTE
case and the external shield of the cable. Moreover, this connection has to be
assured at least on the controller side.
In this way, you will be sure to reduce the influence of the external
noise and to accomplish the EMC requests. In picture d is showed the
cable assembled.
230/284 TwisTorr Medium-TMP Rack Controller User Manual / 87-901-049-01