Delta AH Series User Manual

Chapter 5 Understanding Common Devices
5-3
5_
Type Device name Number of devices Range
relay
Stepping relay S 2048 S0~S2047
Timer T 2048 T0~T2047
Counter C 2048 C0~C2047
32-bit counter HC/AC
HC: 64
AC: 56 (AHxxEMC)
HC0~HC63
AC0~AC55 (AHxxEMC)
Word
device
Input relay X 512 X0~X511
Output relay Y 512 Y0~Y511
Data register D 65536 D0~D65535
Special data
register
SR SR: 2048 SR0~SR2047
Link registers
L 1048576 L0~ L65535
Timer T 2048 T0~T2047
Counter C 2048 C0~C2047
32-bit counter HC/AC
HC: 64
AC: 56 (AHxxEMC)
HC0~HC63
AC0~AC55 (AHxxEMC)
Index register E 32 E0~E31
Constant*
Decimal system K
16 bits: -32768~32767
32 bits: -2147483648~2147483647
Hexadecimal
system
16#
16 bits: 16#0~16#FFFF
32 bits: 16#0~16#FFFFFFFF
Single-precision
floating-point
number
F 32 bits: ±1.17549435
-38
~±3.40282347
+38
Double-precisio
n floating-point
number
DF
64 bits: ±2.2250738585072014
-308
~
±1.7976931348623157
+308
String*
String “$” 1~31 characters
Pointer*
Pointer PR
*1: The decimal forms are notated by K in the device table in AH Motion Controller - Standard Instructions Manual,
whereas they are entered directly in ISPSoft. For example, entering 50 in ISPSoft indicates the value K50.
*2: The floating-point numbers are notated by F/DF in the device table in AH Motion Controller - Standard Instructions
Manual, whereas they are represented by decimal points in ISPSoft. For example, entering 500.0 in ISPSoft indicates
the value F500.
*3: The strings are notated by $ in AH Motion Controller - Standard Instructions Manual, whereas they are
represented by adding quotes (“ ”) to the value in ISPSoft. For example, entering “1234” in ISPSoft indicates the string
1234.

Delta AH Series Specifications

General

Brand	Delta
Model	AH Series
Category	Controller
Language	English