Chapter Two: Installation
146 Set Up
33
Checking the Fuses and AC line Voltage Select Switch
Note
If the 146 unit is ordered with a full configuration form filled out, it will
arrive with the correct fuse(s) and have the voltage switch set for proper
AC voltage. There are no other adjustments needed for set up.
If a full configuration form was not filled out, or to confirm the set up of the 146 unit, check the
type of fuses installed in the unit. Refer to How To Replace the Fuses, page 290.
Transducer/Mass Flow Controller Connections
Please refer to the installation instructions that came with your particular transducers or mass
flow controllers.
•
Connect the gauge/MFC interface cable to the appropriate 146 connector.
Refer to Figure 4, page 27, to identify the appropriate connector.
Communication and Power Connections
Refer to Figure 4, page 27, for the location of all communication and power connections.
1. Connect the proper interface cable to the General I/O connector.
2. Connect the IBM PC
®
(XT
®
, AT
®
, or compatible) computer cable to the standard
9-pin female RS-232 connector.
3. If an Auxiliary Output board is installed, use a cable to connect the 146 unit to a device
which can be activated through the relays on the top connector (the relay interface), and
another cable to connect an analog output device to the bottom connector (the analog
output interface) on the Auxiliary Output board.
4. If a Control board is installed, use a cable to connect an appropriate valve or controller to
the top connector (the valve output interface) on the Control board. Table 27, page 71,
lists appropriate valves and controllers. The bottom connector (the control interface)
provides remote function control. Connect a PC or other remote equipment to this
connector with the appropriate cable.
5. If a Control board is installed, the proper pin jumpers must be selected.
Refer to Table 26, page 70, for details.
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