Mitsubishi Electric CR800-R - Page 87

4 SAFETY MONITORING FUNCTIONS
Safety Communication Function 4-75
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.
Table 4-16 Parameter
Parameter
Parameter
name
Number of
arrays
Number of
characters
Description
Default setting value
Safety
connection
establishment
timer
SCESTTM
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.
30, -1
The status whether safety connection is established can be checked with a state variable or dedicated signals.
Table 4-17 Safety connection status (state variable)
Name of
variable
Number of
array
elements
Description
Attribute
Data
type and
unit
Reference
M_SCNSts
None
Safety connection status
(0: Disconnected, 1: Waiting for
connection establishment, 2: Established)
R
Integer
type
5.2
Table 4-18 Safety connection status (dedicated signals)
Parameter
name
Type
Name
Function
Signal
level
Default signal No.
Input, output
SCNSTS
Input
-
-
-
-1 (No meaning),
Output
Safety
connection
established
Outputs to notify the set
signal No. of safety
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.
-
-1
SCNLCK
Input
-
-
-
-1 (No meaning),
Output
Safety
connection
disconnected
Outputs to notify the set
signal No. of safety
connection disconnection.
It turns OFF when
connection is established,
during waiting for
connection establishment,
or when the safety
communication function is
disabled.
-
-1