C500LK009V1 Omron, C500LK009V1 Datasheet - Page 104

• Manufacturer Part Number: C500LK009V1
• Description: PC LINK UNIT
• Manufacturer: Omron

Specifications of C500LK009V1

• Leaded Process Compatible: No
• Peak Reflow Compatible (260 C): No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

CV-mode Commands for PCs
6-5
6-5-1 MEMORY AREA READ
Command Block
Response Block
Parameters
6-5-2 MEMORY AREA WRITE
90
CV-mode Commands for PCs
Note
Reads the contents of the specified number of consecutive memory area words
starting from the specified word. All words must be in the same memory area
(here, all memory areas with the same memory area code are considered as one
area).
Memory area code (command): The data area to read.
First word (command): The address of the first word to read from memory. Set
the third byte of the First word to 00.
No. of items (command): The number of items to be read. The number of items
must be 0000 to 0100 (0 to 256 decimal). A normal completion response will be
returned even if the number of items is set to 00.
Data (response): The data from the specified words is returned in sequence
starting from the first word. Timer/counter PVs are returned in BCD. The total
number of bytes is calculated as follows:
Memory Areas
The following data can be read (refer to 6-4 Memory Area Designations for PC
word/bit address designations):
Writes data to the specified number of consecutive words starting from the spe-
cified word. All words must be in the same memory area (here, all memory areas
with the the same memory area code are considered as one area).
Command
Command
IR, SR, LR, HR, and AR
Timer/Counter
DM
EM
1. The MEMORY AREA WRITE command can be executed regardless of the
01
01
code
code
Bytes/item x No. of items
PC’s operating mode. It is the user’s responsibility to program steps to pro-
hibit this command from being executed when the PC is in RUN mode if such
protection is necessary. Execute the CONTROLLER STATUS READ com-
mand (refer to 6-5-10 CONTROLLER STATUS READ ) to read the PC’s
mode.
Memory area code
01
01
Memory area
Response
code
First word
00
Word contents
Completion Flag status
PV
Word contents
Word contents
No. of items
Data
Data
80
01
81
82
90 to 98
Memory area
code
Section 6-5
Bytes/
2
1
2
2
2
item