Sensor Monitoring - Toshiba TCB-ACREDU1-E Manual

8.11 Sensor monitoring

The temperature sensor PT100 is, once it is activated by the function 8.7 and 8.10, monitored against
short circuit and wire break. The alarm is displayed in the alarm box. At fault both contacts (Q3, Q4) ash,
each with 1 Hz.
TOSHIBA I 19