Introduction; Controls And Indicators - Honeywell BR3C9 Operation Manual

OPERATION
2
INTRODUCTION
The drive contains several panels and indicators.
Figure 2
-1
locates the panels and indicators on a
cabinet. Table 2
-1
describes the various panel
controls and indicators.
TABLE 2-1. CONTROLS AND INDICATORS
Control or Indicator
Function
Operator Panel
START/STOP Controls power on and off sequences. If the indicator is
Switch/indicator not lighted (indicating drive is in a power down condition)
depressing the switch does the following:
•
Lights the indicator
•
Energizes the spindle drive motor
•
Initiates the first seek sequence
This happens only if the disk pack is in place with can-
ister r~ved, the pack cover is closed, and the circuit
breakers are on.
If the indicator is lighted (indicating the unit is
powered up) depressing the switch extinguishes the
indicator and causes a power off sequence.
READY indicator
Lights when the heads are loaded and the unit is ready
to accept commands.
PROTECT Depressing this switch lights the indicator and inhibits
switch/indicator the drive from writing on the pack.
OFFLINE indicator
Lights when the drive has experienced any of the following
conditions:
•
Controller issued a Set Local State command
•
ONLINE switch on maintenance panel set to an offline
position.
Logic Plug
Determines the device number of the drive. Each plug has a fixed
number which
is
changed by replacing the present plug
with
one
having
a
different number. The controller determines the device
number
via a
Device Number ReQuest command
(Tag
26).
83318200 A
2-1