Siemens Pointek CLS 100 Manual De Inicio Rápido página 9

Definitions
The alarm conditions below can be detected in a fail-safe or non fail-safe mode.
Fail Safe
• The sensor connection arrangement is fail-safe if the output status is in high
alarm status when power fails; open contact state prevents material overflow.
• The sensor connection arrangement switches to the fail-safe low alarm status
when power fails; this open contact state prevents material running dry.
High Alarm
• When material reaches a maximum process level, uncovering the probe.
Low Alarm
• When material reaches a minimum process level, uncovering the probe.
Power / Alarm Wiring
Notes:
For terminal block equivalents, see Enclosure Version on page 6.
•
• The solid-state output should only be used in circuits where the current is limited by a
proper load.
• Due to the limited switching capabilities of the solid-state switch component, an
auxiliary relay must be applied when switching high-current/high-voltage apparatus.
Non Intrinsically Safe Version
LOW Alarm
HIGH Alarm
4 / 20 mA Loop Alarm Application
All-plastic Version
7ML19985QJ81
Rmax = V supply – 10 V
20 mA
For example, 250Ω gives 1
*
or 5 V DC switch voltage to
PLC.
Pointek CLS 100 – QUICK START MANUAL
Polarity as required for
desired operation
-
12-33 V DC
+
Polarity as required for
desired operation
+
12-33 V DC
-
white
white
black
red
V supply
12-33 V DC
Page EN-7