Alarm Output Status; Definitions - Siemens POINTEK CLS 100 Instruction Manual

Alarm Output Status

Alarm Status
High
(fail safe)
High
(non fail safe)
Low
(fail safe)
Low
(non fail safe)
Note
: *SSS is the solid state switch

Definitions

Alarm Conditions as defined below can be detected in a fail-safe or non fail-safe mode.
Fail Safe
•
The sensor connection arrangement of the CLS 100 is fail-safe if the output status is in
alarm status when power fails, which is an open contact state.
•
The sensor connection arrangement of the CLS 100 switches to the alarm status when
power fails, which is an open contact state.
High Alarm
•
Condition in which the material has reached a maximum level for the process (probe
covered).
Low Alarm
•
Condition in which the material has reached a minimum level for the process (probe
uncovered).
7ML19985AU01.1
Covered
Yellow LED ON
Red LED OFF
4mA
SSS* = open
Red LED ON
20mA
SSS = closed
Red LED ON
20mA
SSS = closed
Red LED OFF
4mA
SSS = open
Pointek CLS 100
Uncovered
Yellow LED OFF
Red LED ON
20mA
SSS = closed
Red LED OFF
4mA
SSS = open
Red LED OFF
4mA
SSS = open
Red LED ON
20mA
SSS = closed
Power
Connection
Black wire + V
Red wire + V
Red wire + V
Black wire + V
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