Shimaden PAC18 Series, Instruction Manual

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10-4. Heater break (optional)
Function that detects load heater break. A heater break alarm occurs when the current drops below the preset heater break alarm current value.
When the alarm occurs, output continues and an alarm is displayed.
At this time,

is displayed in the alarm display of the left LED digit.
Set key sequence ‘1-6. Heater break error alarm’ when outputting heater break alarm to alarm contact output (AL).
10-5. Input error
An input error alarm occurs if control input is less than -10% or over 110% of the setting range maximum value.
Output continues even if an alarm occurs. You cannot set alarm contact output destination for input error alarm.
At this time,

is displayed in the alarm display of the left LED digit.
The key sequence ‘0-0. Output monitor (basic screen) ’ display does not display less than 0% or more than 100%.
If control input is less than -10%, the key sequence ‘0-2. Control input’ display displays

or

and output serves as the ramp lower limit value;
if control input exceeds 110%,

is displayed and output serves as the ramp higher limit value.
(Display differs according to type of control input.)
10-6. Alarm output (optional)
You can use contact output (relay a contact, 240 V AC / 1 A) as a function to notify alarm occurrence.
Output is on when in alarm status.
You can select whether to output an alarm for each type of alarm. (Multiple selections possible)
Alarm output type and terminal layout
Alarm contact
output
10
9
AL1
AL2
Alarm
ALARM
OUTPUT
Output type
Contact output
(relay a contact)
Terminal
symbol
AL1
AL2
Terminal
block No.
9
10