Delta DVP-SV3 Series - 5.1.2 Basic Structure of I;O Storage

Chapter 5 CPU and Module Devices
5-3
5_
*3: Constants are indicated by K in the device lists in Chapter 5 and Chapter 6 in the DVP-ES3/EX3/SV3/SX3 Series
Programming Manual. When “K50” appears in the DVP-ES3/EX3/SV3/SX3 Series Programming Manual, enter only
the number 50 in ISPSoft/DIADesigner.
*4: Floating-point numbers are indicated by F/DF in the device lists in Chapter 5 and Chapter 6 in the DVP-
ES3/EX3/SV3/SX3 Series Programming Manual, but they are represented by decimal points in ISPSoft/DIADesigner.
For example, for the floating-point number F500, enter 500.0 in ISPSoft/DIADesigner.
*5: Strings are indicated by $ in Chapter 5 and Chapter 6 in the DVP-ES3/EX3/SV3/SX3 Series Programming Manual,
but they are represented by quotes (“ ”) in ISPSoft/DIADesigner. For example, for the string of 1234, enter “1234” in
ISPSoft.
*6: Used for editing in ISPSoft/DIADesigner only.
5.1.2 Basic Structure of I/O Storage
Device Function
Access by
bits
Access by
words
Modify by
ISPSoft/
DIADesigner
Force the bit ON/OFF
X
Input relay
OK
OK
OK
OK
Y
Output relay
OK
OK
OK
OK
M
Auxiliary relay OK - OK -
SM
Special auxiliary
relay
OK - OK -
S
Flag
OK
-
OK
-
T
Timer
OK
OK
OK
-
C
Counter
OK
OK
OK
-
HC
32-bit counter
OK
OK
OK
-
D
Data register
OK
OK
OK
OK
SR
Special data register
-
OK
OK
-
FR
File register
-
OK*
1
-
-
E
Index register
-
OK
OK
-
*1: Use an instruction for writing to an FR.