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FailSafe Mode
FailSafe High mode (FSH) is the factory default, and it links menus 07 and 17, and 08 and
18, to enable analog 2-state and digital fault signalling.
Low can be selected at menu 1E.
In FailSafe High mode (FSH):
•
Highest current (20 mA), closed solid-state switch in safe condition when probe
is uncovered.
•
Low Signal current (3.6 mA), solid-state switch open when fault/error occurs.
In FailSafe Low mode (FSL):
•
Lowest current (4 mA), open solid-state in safe conditions when probe is
uncovered.
•
High Signal current (22mA)/ solid-state closed when fault/error occurs.
Menu
Affects other
Item
menu items
07, 17, 08, 18
1E
1. Set the rotary switch to E.
2. Press and hold the RED (+) button for FailSafe High.
or: Press and hold the BLUE (–) button for FailSafe Low.
or: Press and hold both buttons simultaneously to reset to Free Programming
Mode.
1.
FailSafe Mode at menu 1E provides a shortcut, by contrast with Free Programming
Mode where all menu items are completely independent. You can make the same
selections in FPM, but you need to set each menu item individually.
7ML19985GG03
Rotary
Left
Switch
Arrow
Position
E
On
E
On
Pointek CLS500 – INSTRUCTION MANUAL
1
Either FailSafe High or FailSafe
Descrip-
Mode
tion
Select
FailSafeHigh *
FailSafe
FailSafeLow
Mode
Free
Programming
Mode
Display
reads
FSH
FSL
Page 81
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