304
Interface Specifics
Section 5-4
The Autoloading Error Flag will turn OFF when the Autoloading Error Reset
Bit is turned ON.
Timing Chart
Refer to the timing chart for the
Autoloading Error Reset Bit
on page 262.
Data Transmission Flag
The Data Transmission Flag will turn ON when position data is written to the
MC Unit as a result of executing the Position Data Write Command (17D6
hex) for the Command Area using the IOWR instruction in the ladder diagram.
The flag will turn OFF when the Data Transmission Error Flag turns ON as a
result of an error while writing data or when the writing the data has been
completed normally.
Timing Chart
Refer to the timing chart for the IOWR instruction in
4-2 IOWR and IORD
Specifications
.
Data Transmission Error Flag
The Data Transmission Error Flag will turn ON when a fatal error occurs while
writing position data to the MC Unit as a result of executing the Position Data
Write Command (17D6 hex) for the Command Area using the IOWR instruc-
tion in the ladder diagram. Using the IOWR instruction for any address other
than 17D6 hex will not affect this flag regardless of the results.
Timing Chart
Refer to the timing chart for the IOWR instruction in
4-2 IOWR and IORD
Specifications
.
Data Reception Flag
The Data Reception Flag will turn ON when position data is read as a result of
executing the Position Data Read Command (17D7 hex) for the Command
Area using the IOWR instruction in the ladder diagram. This flag will not turn
Signal
Meaning
1
An error has occurred during autoloading.
↓
The Autoloading Error Flag has been turned ON.
Word
Bit
I/O
Valid mode
MC221
MC421
n+10
n+18
06
Input
---
Signal
Meaning
1
Data transmission has started.
↓
The data transmission has been completed normally or an error occurred
during the transmission.
Word
Bit
I/O
Valid mode
MC221
MC421
n+10
n+18
07
Input
---
Signal
Meaning
1
An error occurred during data transmission.
↓
Data was retransmitted normally.
Word
Bit
I/O
Valid mode
MC221
MC421
n+10
n+18
08
Input
---
Summary of Contents for CS1W-MC221 -
Page 1: ...Motion Control Units Cat No W359 E1 04 CS1W MC221 V1 421 V1 OPERATION MANUAL ...
Page 2: ...CS1W MC221 V1 421 V1 Motion Control Units Operation Manual Revised February 2008 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 11: ...xii ...
Page 15: ...xvi ...
Page 19: ...xx ...
Page 27: ...xxviii Conformance to EC Directives 6 ...
Page 133: ...106 Installation Section 2 2 2 2 4 Dimensions CS1W MC421 CS1W MC221 ...
Page 173: ...146 Connecting Peripheral Devices Section 2 7 ...
Page 227: ...200 Command Area Section 3 6 ...
Page 351: ...324 Interface Specifics Section 5 4 ...
Page 513: ...486 Absolute Encoder Interface Specifications Section 9 7 ...
Page 575: ...548 Error Log Section 12 6 ...
Page 589: ...562 Performance Appendix A ...
Page 655: ...628 Control Bit Flag Timing Charts Appendix E ...
Page 683: ...656 Origin Search Patterns Appendix F ...
Page 685: ...658 Encoder Divider Rate and Rotation Speed for OMRON Servo Drivers Appendix G ...