Flexi Soft
+24 V
0 V
PELV
1
+24 V
OSSD
0 V
Mtfkp
FE
+24 V
OSSD
0 V
Mtfkp
FE
4
3
2
5
1
4
3
2
5
K1
K1
S1
K2
K2
A1
I1
I2
I3
I4
I5
I6
X1
FE
FE
A2
A1
A2
I7
I8
Q1
Q2
Q3
Q4
X2
Flexi Soft XTIO
FLEXIsoft
CPU
Figure 30: miniTwin4 with Flexi Soft safety controller
4.5
Testing plan
The manufacturer of the machine and the operator must define all required checks.
The definition must be based on the application conditions and the risk assessment
and must be documented in a traceable manner.
b
When defining the check, please note the following:
°
Define the type and execution of the check.
°
Define the frequency of the check.
°
Notify the machine operators of the check and instruct them accordingly.
The following checks are often defined in connection with a protective device:
•
Check during commissioning and modifications
•
Regular thorough check
Check during commissioning and modifications
The check must detect if it is possible to enter the hazardous area without being
detected.
The following points are often helpful for the definition of the check:
•
Does the check have to be completed by qualified safety personnel?
•
Can the check be completed by personnel specially qualified and authorized to do
so?
•
Does the check have to be documented in a traceable manner?
•
Can the check be carried out according to a check list?
•
Do the machine operators know the function of the protective device?
•
Have the machine operators been trained to work on the machine?
•
Have the machine operators been notified about modifications to the machine?
•
Does the hazardous area being secured have to be checked with a test rod?
b
Define all guidelines for the check.
4
PROJECT PLANNING
40
O P E R A T I N G I N S T R U C T I O N S | miniTwin4
8012624/10OM/2018-08-09 | SICK
Subject to change without notice