Maximum Permitted Watchdog Times; Cycle Time Tcl Safety Cpu; Cycle Monitoring Time T; Cl_Max Safety Cpu - YASKAWA iC9200 Series Operating Manual

Deployment CPU iC921xM-FSoE
Response times > Cycle monitoring time T
5.12.4

Maximum permitted watchdog times

Dimensioning
5.12.5 Cycle time T
Dimensioning
5.12.6

Cycle monitoring time T

Dimensioning
134
safety CPU
CL_MAX
The following formula applies for dimensioning TI/TO
TI + TO
FSoEWD_MAX
⮫ 'Designations'...page 135
TI/TO
FSoEWD_MAX
T
maxRTSA
TI/TO
WCDT
Based on the information in the device-specific user documentation of
the F devices, consider whether further information on watchdog times is
available within the internal device function.
Timer functions that are used in the safety-related application programme
within the safety function must also be taken into account for the calcula-
tion.
You can find more information on calculating and optimizing the watchdog
time in the documentation of the iCube Engineer.
safety CPU
CL
iCube Engineer:
The following formula applies to the cycle time:
T = T / 0.7
CL FPROG
T is to be estimated. The following specifications for totalization apply:
FPROG
■
Add 70µs per F device.
■
Add 20µs per safety-related function block instances.
In iCube Engineer, the value is to be specified at 'Plant �� Safety PLC': 'Tasks and Events
�� Intervall' in the range of 5 ... 15ms.
⮫ 'Designations'...page 135
T
CL
T
FPROG
safety CPU
CL_MAX
The following formula applies to the cycle monitoring time:
T ≥ T
CL_MAX FPROG
T is to be estimated. The following specifications for totalization apply:
FPROG
■
Add 70µs per F device.
■
Add 20µs per safety-related function block instances.
In iCube Engineer, the value is to be specified at 'Plant �� Safety PLC': 'Tasks and Events
�� Watchdog'.
⮫ 'Designations'...page 135
T Cycle monitoring time of the safety CPU.
CL_MAX
T Cycle time safety program.
FPROG
≤ T - TI
FSoEWD_MAX maxRTSA
Maximum permitted FSoE watchdog time
(FSoE WatchDog MAXimum).
Max. response time on error with max. runtime with sensor and
actuator (max RunTime Sensor Actuator).
Max. response time without errors (Worst Case Delay Time).
Cycle time of the safety CPU.
Cycle time safety program.
/ 0.7
in the FSoE system:
FSoEWD_MAX
- TO
WCDT WCDT
HB700 | CPU | PMC921xEx | en | 24-04
iC9200 Series