MICROCOM
®
TEMPERATURE CONTROLLER
INSTRUCTION MANUAL
Pg.
www.incoe.com
©INCOE
®
CORPORATION 4/2010
Both ramp types can be activated to the
following conditions:
• If the unit is in automatic mode during the
start-up sequence.
• If the unit switches from manual to
automatic mode.
1.3.3 POWER OUTPUT:
• Power output via 15 amp TRIAC (BTA24 800V).
• Double protection of the load via fuse
(Ref : FA15 or ABC-15).
• Protection against over voltages (overvoltage
switch calibrated to 275V).
• Phase angle or zero crossing mode (User
selectable in configuration mode). This
choice is only valid during the control phase.
During SoftStart, the controller remains in
“phase angle” mode for whichever power
mode is selected.
• Accuracy: +/- 1% of nominal.
• Load security : Cut-off with software-driven
relay. The relay cuts off the power to the heater
under the following conditions :
• Controller is powered down by pushing the
ON/OFF switch.
• Anti-Arcing system.
• TRIAC short circuit detection.
• Load or heater detection.
• Load or heater detection: automatic
detection by current measurement: detection
is determined by the following condition:
If measured current is 0 and system call
is positive. The controller then displays the
message “Otr” (As open TRIAC or heater).
• Shorted TRIAC automatic detection: detection
is determined by the following condition: If
measured current is not 0 and if there is no
system call (% power = 0). The controller then
displays the message “Str” (as Shorted TRIAC).
• Automatic detection of load power variation:
After a stabilization period of 120 seconds at
the set temperature, the system computes and
saves the value of the heater (In Watts). The
controller generates an alarm (message “Hra”:
Heater alarm) if there is a variation of at least
20% from the saved value.
1.3.4 OTHER FUNCTIONS :
• Voltage correction (INCOE
®
Patent 6,107,610):
the system uses a second closed loop control,
which maintains the power applied to the
heater if there is a line voltage variation. The
system is active for voltages as low as 190 VAC.
• Anti arc pin detection: The controller can
automatically detect the presence of an
“Anti arc” pin on enclosure’s edge connector.
When this pin is detected, the system is active
and this allows to cut the gate to the TRIAC, as
well as the safety relay, when the controller is
removed from the enclosure. The response
time for this is less than 20 µsec. If no pin is
detected, the system is simply not active.
1
INTRODUCTION
3