Mitsubishi Electric FX5-DP-M, User Manual

Page: 128 / 176

126
APPX
Appendix 3 Buffer Memory
Appendix 3
Buffer Memory
The FX5-DP-M exchanges data with the CPU module through the buffer memory. Data in the buffer memory are reset to the
defaults (initial values) when the CPU module is turned off or reset.
List of buffer memory addresses
Address
(Decimal) Address
(hexadecimal) Name Description Initial
value Read,
write
0, 1 0H, 1H Input signal Stores the Data communication completed signal, the
Diagnostic information detection signal, and other
signals. 0 Read
2, 3 2H, 3H Output signal Sets the reset of the Data communication start signal
and Diagnostic information detection signal. 0 Read,
write
4 to 2079 4H to 81FH System area
2080 820H Diagnostic information invalid setting
area Sets a value to mask (invalidate) diagnostic
information from a DP-Slave. 02B9H Read,
write
2081 821H Global control area Specifies a global control function to run. 0 Read,
write
2082 to 2083 822H to 823H System area
2084 824H Diagnostic information non-
notification time setting area Specifies the duration after the start of data exchange
during which diagnostic information is not notified. 20 Read,
write
2085 825H Current diagnostic information non-
notification time area Stores the duration (remaining time period) after the
start of data exchange during which diagnostic
information is not notified. 0 Read
2086 to 2256 826H to 8D0H System area
2257 8D1H Local FDL address display area Stores the FDL address for own station.
*1
Read
2258 to 2271 8D2H to 8DFH System area
2272 8E0H Current bus cycle time Stores the current bus cycle time. 0 Read
2273 8E1H Minimum bus cycle time Stores the minimum bus cycle time. 0 Read
2274 8E2H Maximum bus cycle time Stores the maximum bus cycle time. 0 Read
2275 to 6143 8E3H to 17FFH System area
6144 to 7167 1800H to 1BFFH Input data area Stores input data from DP-Slaves. 0 Read
7168 to 14335 1C00H to 37FFH System area
14336 to 15359 3800H to 3BFFH Output data area Sets output data to DP-Slaves. 0 Read,
write
15360 to 22527 3C00H to 57FFH System area
22528 to 22655 5800H to 587FH Address information area Stores the FDL address and I/O data length of DP-
Slaves. FFFFH Read
22656 to 22783 5880H to 58FFH System area
22784 to 22847 5900H to 593FH Input data start address area Stores the start address (buffer memory address) for
input data from DP-Slaves. 0 Read
22848 to 22911 5940H to 597FH System area
22912 to 22975 5980H to 59BFH Output data start address area Stores the start address (buffer memory address) for
output data to DP-Slaves. 0 Read
22976 to 23039 59C0H to 59FFH System area
23040 to 23043 5A00H to 5A03H Slave status area (Normal
communication detection) Stores the communication status of DP-Slaves. 0 Read
23044 to 23047 5A04H to 5A07H System area
23048 to 23051 5A08H to 5A0BH Slave status area (Reserved station
setting status) Stores reserved station settings or temporarily
reserved station settings for DP-Slaves. 0 Read
23052 to 23055 5A0CH to 5A0FH System area
23056 to 23060 5A10H to 5A14H Slave status area (Diagnostic
information detection) Stores diagnostic information detection status of DP-
Slaves. 0 Read
23061 to 23070 5A15H to 5A1EH System area
23071 5A1FH Local station error information area Stores the error information on own station (FX5-DP-
M). 0 Read
23072 to 23199 5A20H to 5A9FH Diagnostic information area Stores diagnostic information on DP-Slaves
generated during communications. 0 Read