Information subject to change
97-7796264_09-04-2020
7548/7794/7796/7796HC OPERATOR’S MANUAL – SECTION 4
20
4.3.4 Compensation Setting (applies to
Controlled Current operation only)
When the amplifier is used in Controlled Current
(CC) mode, the current control loop is tuned with
one of two available RC networks: CC1 (R63 and
C16) or CC2 (R82 and C25). Place
Jumper J5
in
the
UP
position to select the
CC1
network (factory
default). Place
Jumper J5
in the
DOWN
position
to select the
CC2
network. See
Figure 4.4.
Figure 4.4 – Compensation Setting
Figure 4.5 – Ready/Run Mode or Standby Mode
on Power-Up Setting
4.3.5 Ready/Run Mode or Standby Mode
Power-up
The amplifier will bypass Standby Mode and cycle
directly to Ready/Run Mode on power-up when
Jumper J11
is in the
Left
position (factory default).
To set the amplifier to power-up to Standby Mode,
place
Jumper J11
in the
Right
position.
See Fig-
ure 4.5.
4.3.6 Standby Mode on Overload
When this option is enabled, the amplifier will
move into Standby Mode when it senses an activa
-
tion of the IOC (Input/Output Comparator) Distor
-
tion Alert circuit. The IOC Distortion Alert circuit
continuously compares the input waveform to the
output waveform. When a distortion of more than
0.5% occurs, the IOC circuit will activate. The am
-
plifier will remain in Standby Mode until the Reset
switch on the front panel is pushed or a Reset
signal is received on the Interlock – I/O Connector.
Once reset, the amplifier will return to Ready/Run
(operational) Mode. To enable Standby Mode on
Overload, place the jumper across the
two pins
labeled J13. See Figure 4.6.
Figure 4.6 – Standby Mode on Overload Setting
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