Owner's manual

IES PowerModule Operators’ Manual v1.4 Isine 12
VOL.REG. [ON]
5. Press
Ï
or
Ð
to set the voltage regulation
function either ON or OFF (shown in
square brackets).
6. Press ENT to leave the menu and record
the changes or EXIT (to leave the
previous settings unchanged).
6.14 Start Mode
PowerModules are equipped with a software feature
to alter the criteria for dimming cold filaments. The
response of a dimmer depends on the resistance of
the filament, which varies according to temperature.
A cold filament has a slower response than a warm
filament. Although the Isine modules restrict
maximum current to 10 times the nominal current, if
the complete rig is subject to a sudden loss and
resumption of power (a ‘brown-out’) it is possible for
the combined cold switch-on load to be higher than
the diversified power supply can withstand, resulting
in nuisance tripping of circuit breakers. For this
reason, the dimmers are installed with a range of
start modes to give the users flexibility in the set-up
characteristics of the dimmer.
An additional feature is Blink mode which flashes the
dimmer channel with a controllable mark-space and
flash rate for warning signs in the studio or
backstage. The options are:
BASIC: Normal mode
SOFT START: If the circuit has not been used
for 5 minutes, the initial response
time is automatically set to
500mS
BURST: If the circuit has not been used
for 5 minutes, the dimmer burst-
fires 20 cycles at full power to
heat the filament rapidly and to
improve response.
PROP: Proportional burst start mode.
The number of full power cycles
is in relation to the speed of rise
of DMX signal between 0% and
9%.
BLINK: Flashes the output to full. T-IN
sets the fade in time, T-OUT sets
the fade out time, and the DMX
level sets the period of flash.
6.14.1 To set start mode
1. Press CONF.
2. The screen shows the individual channel
number (or T if the dimmer set-up scheme
copies characteristics to all dimmers in the
rack) and gives access to all configuration
options.
3. Press Ï or Ð to select the relevant
channel number and then repeatedly
press Î to select the START option
shown as follows:
CONFIG: CH:2
MODE: [BASIC]
4. Press
Ï
or
Ð
to select the start mode
required.
Note: If BLINK has been set, be sure to adjust the
T-IN and T-OUT times to create the
required flash characteristic, and adjust
the DMX value when used for the period
of flash.
5. Press ENT to leave the menu and record
the changes or EXIT (to leave the
previous settings unchanged).