WIKA CF1H - Manual (Page 20)

Operating Instructions Temperature Indicating Controller CF1H
V 1.2
•
01/2007 - 20 -
Alarm 1 (A1) setting Mode to set the action point of the Alarm 1 (A1) output.
Setting value
This item is not displayed if setting the rotary switch
MODE to No. 0 or No. 7 (See page 12.)
Setting range: See [table 4.2-2].
[Factory adjusted as 0 °C]
Alarm 2 (A2) setting Mode to set the action point of the Alarm 2 (A2) output.
Setting value
This item is not displayed if the option [2AS or 2AL] is not
MODE applied or even if it is applied, when setting the
rotary switch to No. 0 or No. 7 (See page 12.)
Setting range: See [table 4.2-2].
[Factory adjusted as 0°C]
Setting range of Alarm 1 and 2
(The setting range is the same when the standby function is added.)
[Table 4.2-2]
Alarm type Setting range
High limit alarm –Input span to Input span *1
Low limit alarm –Input span to Input span *1
High/Low limits alarm 0 to Input span *1
High/Low limit range alarm 0 to Input span *1
Process high alarm Input range minimum to Input range maximum *2
Process low alarm Input range minimum to Input range maximum *2
For RTD input, the minimum value of the negative side is –199.9.
For DC input, the minimum value of the negative side is –1999. (Decimal point place
follows the selection.)
*1: For DC input, the Input range span is the same as the Input range scaling span.
*2: For DC input, Input range maximum (minimum) is the same as the Input range
scaling maximum (minimum) value.
Heater burnout alarm setting Mode to set the Heater current value for Heater burnout alarm.
Setting value
Setting range: When [W12 or W32] 0.0 … 20.0 A
MODE (However, the indication is 0.0 … 50.0.)
When [W15 or W35] 0.0 … 50.0 A
[Factory adjusted as 0.0 A]
This display is indicated only when the option [W ] is applied .
Setting the value to 0.0 disables the function.
It is recommended to set approx. 80 % of the Heater current
value considering the voltage fluctuation.
Self-holding is not available to the alarm output.