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Specifications
FP2 Serial Data Unit
7
−
7
7.3
Table of I/O Contacts
Output number table
Output signal
Name
Contents
Y10
COM.1
Sending directive
Data set in the sent buffer is sent when this goes on.
When it goes from on to off, the COM.1 sent buffer is
cleared. (
*
Note 1)
Y11
Received buffer clear
The received buffer is cleared when this goes on. (
*
Note 2)
It should be turned off after the buffer has been cleared.
Y12
COM.2
Sending directive
Data set in the sent buffer is sent when this goes on.
When it goes from on to off, the COM.2 sent buffer is
cleared. (
*
Note 1)
Y13
Received buffer clear
The received buffer is cleared when this goes on. (
*
Note 2)
It should be turned off after the buffer has been cleared.
Y14 to Y1C
Not used
This should always be off.
Y1D
Software reset (
*
Note 3)
The software reset begins when this is turned on. The I/O
contacts and ERROR LED go off. (This takes approximately
100 ms.)
It should be turned off immediately after the software reset
has begun (XE has gone from on to off.)
Y1E
Not used
This should always be off.
Y1F
Not used
This should always be off.
Notes
1) The sent buffer should not be cleared until the sending has
been completed (X0 or X2 has gone on).
2) The received buffer should not be cleared until the data has
been read from the shared memory.
3) When a software reset is carried out, the I/O contacts (error
flags) and ERROR LED go off. The transmission format
changes to the value written to addresses 1003 and 1004 of the
shared memory.
Содержание FP2 Series
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Страница 6: ...FP2 Serial Data Unit Table of Contents iv ...
Страница 18: ...FP2 Serial Data Unit Functions of Serial Data Unit 1 2 ...
Страница 22: ...FP2 Serial Data Unit Functions of Serial Data Unit 1 6 1 3 Restrictions on Units Combination ...
Страница 24: ...FP2 Serial Data Unit Parts and Functions 2 2 ...
Страница 30: ...FP2 Serial Data Unit Confirming the Unit Settings and Design Contents 3 2 ...
Страница 44: ...FP2 Serial Data Unit Communication with External Devices 4 2 ...
Страница 66: ...FP2 Serial Data Unit Precautions Regarding Serial Data Unit Operation and Programs 5 2 ...
Страница 72: ...FP2 Serial Data Unit Operation If an Error Occurs 6 2 ...
Страница 78: ...FP2 Serial Data Unit Specifications 7 2 ...
Страница 86: ...FP2 Serial Data Unit Specifications 7 10 7 4 Transmission Format ...
Страница 88: ...FP2 Serial Data Unit Sample Programs 8 2 ...
Страница 98: ...FP2 Serial Data Unit Sample Programs 8 12 8 2 Table of ASCII Codes ...
Страница 100: ...Record of changes FP2 Serial Data Unit R 2 ...
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