Using 36-Channel Mode; Operations Overview - Agilent Technologies E1339A User's And Scpi Programming Manual

72-channel open collector digital output/relay driver module
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Using 36-Channel Mode

Operations
Overview
Operation
Simultaneous/Stepped Actuations (Valid only when CNFG 0 is connected to GROUND)
Simultaneous Actuation
(CNFG 1 Open)
Stepped Actuation
(CNFG 1 connected
to GROUND)
Continuous/Pulsed Outputs (Valid only when CNFG 0 is connected to GROUND)
Continuous Output
(CNFG 2 Open)
Pulsed Output
(CNFG 2 connected
to GROUND)
In 36-channel mode, two bits are paired together and one bit is the inverse
of the other. The channel pairs formed are CH 0 SET/CH 0 RESET, CH 1
SET/CH 1 RESET, etc. This mode can be used to drive two coil switches,
one for SET and one for RESET.
Note
CNFG 0 must be connected to GROUND to set 36-channel mode.
As shown in Table 3-1, simultaneous actuation, stepped actuation, pulsed
output, and continuous output modes are available for 36-channel mode.
Table 3-2. 36-Channel Mode Operations
Switching One
Channel Pair
OPEN (@ccnn) opens the
channel pair and CLOSe
(@ccnn) closes the channel
pair.
OPEN (@ccnn) opens the
channel pair and CLOSe
(@ccnn) closes the channel
pair.
The SET or RESET output
current is continuously
applied to the channel pair
when actuated.
When the channel pair is
actuated, the SET or RESET
output current is applied until
the 30 msec timer indicates
the channel has finished
moving. The current is then
removed, and another 30
msec wait occurs.
Switching Multiple Channel
Pairs
All channel pairs (SET/
RESET) in the OPEN/CLOSe
channel_list are actuated
nearly simultaneously.
A 30-msec delay occurs
between actuation of each
channel pair in the OPEN/
CLOSe channel_list.
The SET or RESET output
current is continuously
applied to the channel pair
that is actuated.
The SET or RESET output
current is applied to the
actuated channel pair until
the 30 msec timer indicates
the channel has finished
moving. The current is then
removed, and another 30
msec wait occurs.
This process is then repeated
with the next channel pair
in the OPEN/CLOSe
channel_list until the list is
completed.
Using the Relay Driver Module
Scanning
Channel Pairs
A 60-msec delay occurs
between actuations of each
channel pair in the SCAN
channel_list.
A 60-msec delay occurs
between actuations of each
channel pair in the SCAN
channel_list.
The SET or RESET output
current is continuously
applied to the channel pair
that is actuated.
The SET or RESET output
current is applied to the
actuated channel pair until
the 30 msec timer indicates
the channel has finished
moving. The current is then
removed, and another 30
msec wait occurs.
For scanning, pulsed output
mode requires twice as much
time as continuous output to
complete the operation.
33

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