WIKA CS4S, Руководство по эксплуатации, Страница: 35 / 92

14033590.01 10/2014 GB/D
WIKA operating instructions model CS4S 35
GB
High, low alarm with standby
Alarm behaviour
Hysteresis
Alarm is ON
Alarm is ON or OFF
Alarm is OFF
Standby mode
The control LED's for the alarms 1 (A1)
and 2 (EVT) are lit when the respective
alarm is ON and are out when the
alarm is OFF.
Alarm
value
Set point Alarm
value
Alarm output
8.5 Heating defect alarm
Heater burnout alarm
Alarm behaviour
Output
LED display (EVT)
8.6 Control output 2, three-point control (heating/cooling)
Control output
P-band heating P-band cooling
Set point
Control output 1,
relay (-R/)
Switching status, dependent upon the control deviation
Control output 1,
logic level (-S/)
Switching status, dependent upon the control deviation
Control output 1,
analogue current
signal (-A/)
Changes will occur continuously in accordance with the control deviation
ON OFF
ON
OFF
Alarm value, heater burnout alarm
low Load current high
ON ON
OFF OFF
Heating Cooling
+
─
+
─
+
─
DC 12 V
DC 12/0 V DC 0 V
+
─
+
─
+
─
DC 20 mA
DC 20 ... 4 mA
DC 4 mA
8. Descriptions of the operating characteristics