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Serial Communications Section 6-1
FINS Commands The following table lists the FINS commands. Refer to the C-series Host Link
Units System Manual (W143) for details.
Program area
access com-
mands
RP PROGRAM READ Reads the contents of the Coordinator Module’s user program
area in machine language (object code).
WP PROGRAM WRITE Writes the machine language (object code) program transmit-
ted from the host computer into the Coordinator Module’s user
program area.
Compound
reading of I/O
memory
QQMR COMPOUND COMMAND Registers the desired bits and words in a table.
QQIR COMPOUND READ Reads the registered words and bits from I/O memory.
Processing Host
Link communi-
cations
XZ ABORT (command only) Aborts the Host Link command that is currently being pro-
cessed.
** INITIALIZE (command
only)
Initializes the transmission control procedure of all Host Link
Units connected to the host computer.
IC Undefined command
(response only)
This response is returned if the header code of a command
was not recognized.
Type Header
code
Name Function
Type Command
code
Name Function
I/O Memory
Area Access
01 01 MEMORY AREA READ Reads consecutive data from the I/O memory area.
01 02 MEMORY AREA WRITE Writes consecutive data to the I/O memory area.
01 03 MEMORY AREA FILL Fills the specified range of I/O memory with the same
data.
01 04 MULTIPLE MEMORY AREA
READ
Reads non-consecutive data from the I/O memory area.
01 05 MEMORY AREA TRANSFER Copies and transfers consecutive data from one part of
the I/O memory area to another.
Parameter
Area Access
02 01 PARAMETER AREA READ Reads consecutive data from the parameter area.
02 02 PARAMETER AREA WRITE Writes consecutive data to the parameter area.
02 03 PARAMETER AREA FILL Fills the specified range of the parameter area with the
same data.
Program Area
Access
03 06 PROGRAM AREA READ Reads data from the user program area.
03 07 PROGRAM AREA WRITE Writes data to the user program area.
03 08 PROGRAM AREA CLEAR Clears the specified range of the user program area.
Execution
Control
04 01 RUN Switches the Coordinator Module to RUN or MONITOR
mode.
04 02 STOP Switches the Coordinator Module to PROGRAM mode.
Configuration
Read
05 01 CONTROLLER DATA READ Reads Coordinator Module information.
05 02 CONNECTION DATA READ Reads the model numbers of the specified Units.
Status Read 06 01 CONTROLLER STATUS READ Reads the Coordinator Module’s status information.
06 20 CYCLE TIME READ Reads the average, maximum, and minimum cycle
times.
Message
Access
09 20 MESSAGE READ/CLEAR Reads/clears messages and FAL(S) messages.
Access Right 0C 01 ACCESS RIGHT ACQUIRE Acquires the access right if no other device holds it.
0C 02 ACCESS RIGHT FORCED
ACQUIRE
Acquires the access right even if another device cur-
rently holds it.
0C 03 ACCESS RIGHT RELEASE Releases the access right regardless of what device
holds it.
Error Access 21 01 ERROR CLEAR Clears errors and error messages.
21 02 ERROR LOG READ Reads the error log.
21 03 ERROR LOG CLEAR Clears the error log pointer to zero.