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The timeout time during waiting for safety connection establishment can be set with the parameter. In the default
settings, timeout does not occur in the following situations: 30 seconds for the initial connection after power-on or
at reconnection.
Parameter
Parameter
name
Safety
SCESTTM
connection
establishment
timer
The status whether safety connection is established can be checked with a state variable or dedicated signals.
Name of
Number of
variable
array
elements
M_SCNSts
None
Parameter
Type
name
SCNSTS
Input
Output
SCNLCK
Input
Output
Table 4-16 Parameter
Number of
Description
arrays
Number of
characters
Integer 2
Specifies the timeout time [seconds] of
safety connection establishment.
First element: At the initial connection
after power-on
Setting range: -1 to 1000
Second element: At reconnection
Setting range: -1 to 1000
* When "-1" is set, timeout is disabled.
Table 4-17 Safety connection status (state variable)
Description
Safety connection status
(0: Disconnected, 1: Waiting for
connection establishment, 2: Established)
Table 4-18 Safety connection status (dedicated signals)
Name
Function
-
-
Safety
Outputs to notify the set
connection
signal No. of safety
established
connection establishment.
It turns OFF when
connection is not
established (disconnected
or during waiting for
connection establishment)
or when the safety
communication function is
disabled.
-
-
Safety
Outputs to notify the set
connection
signal No. of safety
disconnected
connection disconnection.
It turns OFF when
connection is established,
during waiting for
connection establishment,
or when the safety
communication function is
disabled.
4 SAFETY MONITORING FUNCTIONS
Default setting value
30, -1
Attribute
Data
type and
unit
R
Integer
type
Signal
Default signal No.
level
Input, output
-
-1 (No meaning),
-
-1
-
-1 (No meaning),
-
-1
Safety Communication Function 4-71
Reference
5.2
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