Agilent Technologies 969-8888, Instruction Manual

Page: 103 / 116

TECHNICAL INFORMATION
97/107 87-901-011-01
*Only for information: all files are automatically
stored in the directory C:\Varian\
PROFIBUS OPTION
General
The ProfiBus option allow to communicate with the
controller as Profibus DP slave device.
The option works as a bi-directional bridge be-
tween the ProfiBus network and the Varian turbo
controller internal link. The interface provides input
data (measures) and output data (commands) to
the controller, and in addiction provides standard
and user related diagnostics, in order to allow the
user to manage the exceptions.
Mechanical
This option is mounted in the “Option-1” space
Installation
This option is factory installed.
The profibus connector pin-out is reported in the
following figure. Please in order to obtain best per-
formance use profibus certified cables.
CAUTION
To maintain the IP-54 protection level, use the
appropriate connector provided with the pump.
ProfiBus connector
Configuration
Before power-on the controller set the Profibus
address by the 2 rotary switches.
Up to 126 different addresses (from 0 to 125) can
be selected. The address value sets by the 2
switches is expressed in hexadecimal notation, so
value from 00 to 7D are permitted; this setting is
read by the interface during the power-on phase,
so any change of the switch position after the
power-on is ignored.
Indicators
Two LEDs are present on the interface: one green
and one red:
•
the red led indicates that the interface is cor-
rectly powered;
•
the green led shows the interface status ac-
cording the following table:
Å --------------- 550 ms period------------------ Æ
1 pulse
2 pulses
Blink fast
Blink slow