Input/output modules
There are one or two LEDs (status displays)
next to the relevant connections on the in-
put/output modules. The colours of these LEDs
are:
•
green (status display of digital inputs)
•
yellow (status display of digital outputs)
•
red (error display of digital outputs)
The current signal at each input/output is
shown by means of the yellow and green LEDs.
The red LEDs of the outputs indicate short
circuit or overload of the relevant output.
Red LEDs
(Short circuit/overload
display of outputs)
Yellow LEDs
(switching status
display of outputs)
Green LEDs
(switching status
display of inputs)
I8 I8 I4 O4
Fig. 5/6: LED displays of input/output modules
LED
Status
Yellow out
or
Green
out
Logic 0
(no signal)
Yellow alight
or
Green
alight
Logic 1
(signal applied)
Red
out
Output without short circuit/overload
Red
alight
Short circuit/overload at relevant output
VIFB16 - 03/05
5. Diagnosis/error treatment
5-8
0506b
Содержание FB16
Страница 2: ...VIFB16 03 05...
Страница 4: ...Order no 164222 Title MANUAL Designation P BE VIFB16 03 05 GB VIFB16 03 05 II 0506b...
Страница 17: ...1 SYSTEM SUMMARY VIFB16 03 05 1 User instructions 0506b 1 1...
Страница 29: ...2 FITTING VIFB16 03 05 2 Fitting 0506b 2 1...
Страница 42: ...VIFB16 03 05 2 Fitting 2 14 0506b...
Страница 43: ...3 INSTALLATION VIFB16 03 05 3 Installation 0506b 3 1...
Страница 82: ...VIFB16 03 05 3 Installation 3 40 0506b...
Страница 83: ...4 COMMISSIONING VIFB16 03 05 4 Commissioning 0506b 4 1...
Страница 138: ...VIFB16 03 05 4 Commissioning 4 56 0506b...
Страница 139: ...5 DIAGNOSIS AND ERROR TREATMENT VIFB16 03 05 5 Diagnosis error treatement 0506b 5 1...
Страница 165: ...TECHNICAL APPENDIX VIFB16 03 05 Appendix A 0506b A 1...
Страница 183: ...INDEX VIFB16 03 05 Index 0506b B 1...
Страница 184: ...VIFB16 03 05 Index B 2 0506b...
Страница 190: ...VIFB16 03 05 Index B 8 0506b...