4-6 4. JTEKT
Available Device Memory
The available setting range of device memory varies depending on the PLC model. Be sure to set within the range available for
the PLC to be used. Use [TYPE] when assigning indirect device memory for macro programs.
PRG No. setting
If [Transmission Mode: Data Area Division] is set under [Communication Setting], specify a program number ([PRG No.]) in
addition to device type and address number. The assigned device memory is expressed as shown below when editing the
screen. The PRG No. is invalid for the device memory in the common area.
Indirect Device Memory Designation
* If [Transmission Mode: Data Area Division] is set under [Communication Setting], specify a program number ([PRG No.])
for the expansion code.
Specify the number obtained by subtracting “1” from the actual program number ([PRG No.]) as defined below.
PRG No. 1: 0
PRG No. 2: 1
PRG No. 3: 2
Device Memory TYPE Remarks
D (data register) 00H PRG No. when [Data Area Division] is selected
R (link register) 01H PRG No. when [Data Area Division] is selected
B (file register) 02H PRG No. when [Data Area Division] is selected
N (current value register) 03H PRG No. when [Data Area Division] is selected
X (input) 04H WX as word device
Y (output) 05H WY as word device
M (internal relay) 06H
WM as word device, PRG No. when [Data Area Division] is
selected
K (keep relay) 07H
WK as word device, PRG No. when [Data Area Division] is
selected
L (link relay) 08H
WL as word device, PRG No. when [Data Area Division] is
selected
T (timer/contact) 09H
WT as word device, PRG No. when [Data Area Division] is
selected
C (counter/contact) 0AH
WC as word device, PRG No. when [Data Area Division] is
selected
U (extensional data register) 0BH
H (extensional set value register) 0CH
EN (extensional current value register) 0DH
EX (extensional input) 0EH WEX as word device
EY (extensional output) 0FH WEY as word device
EM (extensional internal relay) 10H WEM as word device
EK (extensional keep relay) 11H WEK as word device
EL (extensional link relay) 12H WEL as word device
ET (extensional timer/contact) 13H WET as word device
EC (extensional counter/contact) 14H WEC as word device
V (special register) 15H WV as word device