18
Theory of Operation
Electrical Connections
• The CAN bus is a serial bus with high-speed data transfer. The two
connectors for the CAN bus are used for internal Agilent 1100 Series
module data transfer and synchronization.
• The REMOTE connector may be used in combination with other analytical
instruments from Agilent Technologies if you want to use features such as
common shut down, prepare, and so on.
• The RS-232 connector may be used to control the thermostatted
autosampler from a computer through an RS-232 connection, using
appropriate software. This connector needs to be activated by the
configuration switch module next to the GPIB connector. The software
needs the appropriate drivers to support this communication. See your
software documentation for further information.
• The Thermostat-Autosampler connection is used for control signal
transfer and synchronization of the two modules. The cable must be
installed for operation of the ALS thermostat.
WARNING DO NOT disconnect or reconnect the autosampler to ALS thermostat
cable when the power cords are connected to either of the two
modules. This will damage the electronics of the modules.
• The power input socket accepts a line voltage of 100–120 or 220–
240 volts AC ± 10 % with a line frequency of 50 or 60 Hz. Maximum power
consumption of the autosampler module is 300 Watts (Volt-Amps).
Maximum power consumption of the ALS thermostat module is 260 Watts
(Volt-Amps).There are no voltage selectors on your thermostatted
autosampler because the power supplies have automatic selection
capability. The autosampler module has no externally accessible fuses,
because automatic electronic fuses are implemented in the power supply.
The power supply of the ALS thermostat has two externally accessible
fuses. The security lever at the power input socket prevents removal of the
thermostatted autosampler cover when line power is still connected.
• The interface board slot is used for external contacts, BCD output and for
future use.
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