5. Diagnosis and error treatment
5−18
Festo P.BE−VIFB11−03−EN en 0503g
5.4
Error treatment
5.4.1 Reaction to errors in the control system
PLC/
P t
l
Reaction of the valve terminal
Protocol
during PLC stop
during fieldbus errors
during fieldbus
interruption
DeviceNet
Valves and electric
outputs
are reset
Valves and electric out
puts are reset after time
out has elapsed
Valves and electric outputs
are reset immediately
Philips DIOS
Valves and electric
outputs
remain set
out has elapsed
Selectron
SELECAN
Valves and electric
outputs
are reset
Fig.5/12: Reaction of the valve terminal to errors
Please note
If all outputs are reset during a PLC stop, fieldbus interrup
tion or fieldbus error, the following pneumatic rules" must
be taken into account.
Unilaterally actuated valves move to the basic position.
Double−solenoid valves remain in the current position.
Mid−position valves move to the mid−position, (depend
ing on valve type) pressurized, exhausted or blocked.
Содержание IFB11-03
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Страница 4: ...Contents and general instructions II Festo P BE VIFB11 03 EN en 0503g...
Страница 18: ...Contents and general instructions XVI Festo P BE VIFB11 03 EN en 0503g...
Страница 19: ...Summary of components 1 1 Festo P BE VIFB11 03 EN en 0503g Chapter 1...
Страница 28: ...1 Summary of components 1 10 Festo P BE VIFB11 03 EN en 0503g...
Страница 29: ...Fitting 2 1 Festo P BE VIFB11 03 EN en 0503g Chapter 2...
Страница 39: ...Installation 3 1 Festo P BE VIFB11 03 EN en 0503g Chapter 3...
Страница 71: ...Commissioning 4 1 Festo P BE VIFB11 03 EN en 0503g Chapter 4...
Страница 89: ...4 Commissioning 4 19 Festo P BE VIFB11 03 EN en 0503g Fig 4 4 I O configuration DLC 100...
Страница 122: ...4 Commissioning 4 52 Festo P BE VIFB11 03 EN en 0503g...
Страница 123: ...Diagnosis and error treatment 5 1 Festo P BE VIFB11 03 EN en 0503g Chapter 5...
Страница 144: ...5 Diagnosis and error treatment 5 22 Festo P BE VIFB11 03 EN en 0503g...
Страница 145: ...Technical appendix A 1 Festo P BE VIFB11 03 EN en 0503g Appendix A...
Страница 159: ...Accessories B 1 Festo P BE VIFB11 03 EN en 0503g Appendix B...
Страница 206: ...B Accessories B 48 Festo P BE VIFB11 03 EN en 0503g...
Страница 207: ...Index C 1 Festo P BE VIFB11 03 EN en 0503g Appendix C...
Страница 208: ...C Index C 2 Festo P BE VIFB11 03 EN en 0503g C Index C 1...
Страница 214: ...C Index C 8 Festo P BE VIFB11 03 EN en 0503g...