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10-2
10-2 Basic commands
Meaning and available memory address ranges of each command are shown in the table below
- Numeric values of each command are command numbers specified by the ME-NET.
- Write mode assignment shows write enabled/disabled to the PC memory. (See command No. F9(H).)
Command
Setting available address range (octal) and notes for use
Write mode
assignment
JW20/JW20H JW30H
Reading Relay
20
(H)
00000 to 15777 (relay)
T-C000 to 777 (TMR/CNT contact
point)
00000 to 15777,
20000 to 75777 (relay)
T-C0000 to 0777,
T-C1000 to 1777 (TMR/CNT contact)
None
Set in units of one points
Relay start/reset
30
(H)
00000 to 15777 (relay)
00000 to 15777
20000 to 75777 (relay)
1or2
Set in units of one points (SET = 1, RESET = 0)
Reading register current value
24
(H)
b0000 to b1777
09000 to 09777, 19000 to 19777
29000 to 29777, 39000 to 39777
49000 to 49777, 59000 to 59777
69000 to 69777, 79000 to 79777
89000 to 89777, 99000 to 99777
E0000 to E1777
b0000 to b1777, b2000 to b3777
09000 to 09777, 19000 to 19777
29000 to 29777, 39000 to 39777
49000 to 49777, 59000 to 59777
69000 to 69777, 79000 to 79777
89000 to 89777, 99000 to 99777
E0000 to E1777
- For details about the file register,
see page 8-4.
None
Can be set to read up to 1024 bytes at one time.
Write to register 24
(H)
.
Write to register
34
(H)
The allowable address ranges are the same as shown in "Reading the
register's current value 24
(H)
."
Can be set up to 1024 bytes at one time.
You must enter a value for the number of bytes that will be written.
1or2
Write the same data into
register
35
(H)
The allowable address ranges are the same as shown in "Reading the
register's current value 24
(H)
."
Can be set up to 1024 bytes at one time.
Set/reset TMR/CNT
32
(H)
000 to 777 000 to 0777, 1000 to 1777
Set in units of one points (SET = 1, RESET = 0)
Read program memory 04
(H)
Different with control module and
memory module types
- JW-21CU: 000000 to 006777
- JW-22CU: 000000 to 006777
When using memory
module JW-21MA
/21MO/21ME)
000000 to 016777
(When using memory
module JW-22MA)
Different with control module
- JW-31CUH/H1: 000000 to 016777
- JW-32CUH: 000000 to 036777
- JW-32CUH1: 000000 to 036777
or 000000 to 076777
- JW-33CUH/H1: 000000 to 0076777
- JW-32CUH2/H3: 000000 to 076777,
1000000 to 176777
None
Can be set up to 512 steps per one reading.
Data are read out with machine language.
Write program memory
14
(H)
The allowable address ranges are the same as shown in "Reading program
memory 04
(H)
.
Can be set up to 512 steps per one writing
This command can be executed only when a PC is stopped operation with
"PC operation stop" command, and "write mode specification as 2."
2 only
Read PC operation status
E8
(H)
-----
None
Stop PC operation
F8
(H)
When this command is executed, the PC cannot be restarted using a support
tool.
Restart PC operation
P8
(H)
This command is effective only when the PC is stopped operation by the "PC
operation stop" command. When the PC stops operation with another reason,
the PC cannot restart operation with this command.
Read write mode status
E9
(H)
-----
Assign write mode
F9
(H)
Prohibit writing all PC memory --- 0
Allows writing to PC data memory --- 1
Allows writing to PC all memory --- 3 Choose any of these.
Read manufacturer code
6F
(H)
The JW-21MN returns manufacturer code (CL: SHARP), and model code (A:
PC).