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Technical records
Standard wiring of interface
Program selection by external PLC – Menu address is binary coded
Note!
For external program selection the unit must be in "Automatic - Ready" or "Automatic - Program invalid" condition. On
selecting a measuring program without previous programming, the program will not be enabled and the input data IN2 to
IN6 will not be mirrored at the outputs OUT2 to OUT6. A message regarding the missing parameters will be shown.
Parallel Data Inputs
IN0 / Measuring Start
IN1 / Program selection
IN2 / Binary value 1
IN3 / Binary value 2
IN4 / Binary value 4
IN5 / Binary value 8
IN6 / Binary value 16
Parallel Data Outputs
OUT0 / Meas. Start active
OUT1 / Programm. active
OUT2 / Binary value 1/
Ready for measuring
OUT3 / Binary value 2
OUT4 / Binary value 4
OUT5 / Binary value 8
OUT6 / Binary value 16
OUT7 / Motor
IN0 and IN1 are flank triggered interrupt inputs. In the standard configuration the positive flank is active. Both inputs must
not be activated simultaneously. The min. time between 2 commands must be >20 ms IN1 is the strobe input for the data
inputs IN2 to IN6.
t1:
< 20 ms
t2:
< 4 s for filter type "cross correlation", else < 200 ms
t3:
< 5 ms
1)
The output signals OUT2 to OUT6 have two different functions.
On externally activating the command "Program selection IN1" the input data IN2 to IN6 are mirrored at the outputs OUT2 to
OUT6, in order to enable transmission monitoring.
On externally activating the command "Measuring Start IN0" the measuring result and status messages will be reported. In
the standard configuration High Level = active.
148
ROLAND ELECTRONIC GmbH · Otto-Maurer-Str. 17 · DE 75210 Keltern · Phone +49 (0)7236-9392-0 · Fax +49 (0)7236-9392-33
Weld Seam Detection System R4000 SND40
for Tubes, Cans and Drums
IN7
1)
Manual
0ms
t1
t2
1)
1)
1)
1)
1)
B0059001 / Rev. 2.3
t3
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