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If the Model 705 is not connected
in a daisy chain configura-
tion or the other
daisy
chained
Model
705s
are
not pro-
grammed
as slaves, activating
program
91 (Master)
produces
the following
two messages.
(Control)
(no loop)
The Model
705 will remain
in the no loop display
condition
until all other daisy chained
Model
705s are connected
and
programmed
as slaves or any front panel program
other than
91 (Master)
is activated.
To activate
program
91 use the following
procedures:
1. Connect the Model 705 to at least one other Model 705 in a
daisy chain configuration
(see Figure 2-3).
2.
Install the appropriate
scanner cards.
3. Turn the units on.
4. Select one Model 705 as the master of the configuration.
5.
Press PRGM, 9, 1, of the selected
master Model 705. The
following message is displayed
upon pressing 1.
After the control display, the Model 705 reverts to the channel
mode
and
displays
the programmed
first channel.
At this
point the Model 705 is programmed
as the master
control
of
the daisy chain configuration.
To program
the Model 705 for a
relay configuration,
refer to paragraph
2.5.3. The only differ-
ence
is the extended
number
of channels
provided
by the
daisy chain configuration.
To program
the Master
705 out of
the Master condition
activate
program
90.
2.6.12 Program 92 Slave
Program
92 sets the Model
705 as a slave of a daisy chain
configuration.
The slave
responds
to the commands
of the
designated
master in the configuration.
The slave unit or units
do not have any control
in the set up, except
power
on/off,
master
and stand
alone
programs.
The slave
unit's primary
function
is
to
increase
the
number
of
channels
in
a
configuration.
To activate
program
92 use the following
procedure,
1. Connect the Model 705 to at least one other Model 705 in a
daisy chain configuration
(see Figure 2-3).
2. install the appropriate
scanner cards.
3. Turn the units on.
4.
Select a Model 705 as a slave.
NOTE
Select any Model 705 to be a slave in the daisy
chain configuration
except the Model 705 that is
designated
as the master.
5. Press PRGM, 9, 2 of the selected slave Model 705. The fol-
lowing message is displayed upon pressing 2.
/ SLWE 1
I
I
The previous
display
message
remains
on the display as long
as the
unit
is programmed
as a slave
unit. To get
the
Model 705 out of the slave
program
one
of the following
actions can be used.
1. Activate front panel program 90 (Stand Alone).
2. Activate front panel program 91 (Master).
2.6.13 Program 99 Reset
Program
99 resets
the Model
705 to the conditions
listed in
Table
2-5.
To
activate
program
99
use
the
following
procedure:
1. Press PRGM.
2.
Press 9, 9.
Upon
pressing
the 9 button
a second
time the Model
705
goes through
a reset sequence
that is described
as follows:
1. After pressing
the 9 button a second time the Model 705
displays the following message:
,
1
rESEt 1
I
I
2. After the reset message, all the front panel LEDs turn on for
approximately
two seconds.
2-19
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