Introduction Of Devices; Devise List; Ah500 Basic Cpu Modules (Ahcpu500/510/520/530) - Delta AH500 Programming Manual

AH 5 00 Pr ogr am m ing Ma n ua l

2.1 Introduction of Devices

This section gives an account of values/strings processed by the PLC. It also describes the
functions of devices which include input/output/auxiliary relays, timers, counters, and data registers.

2.1.1 Devise List

2.1.1.1 AH500 Basic CPU Modules (AHCPU500/510/520/530)

Type Device name
Input relay
Output relay
Data register
Bit
device
Link register
Auxiliary relay
Special auxiliary relay
Stepping relay
Timer
Counter
32-bit counter
Input relay
Output relay
Word Data register
device
Special data register
Link register
Timer
Counter
32-bit counter
Index register
Decimal system
Constant*
Hexadecimal system
Single-precision
floating-point number
2 - 2
Number of devices
1024 (AHCPU500)
2048 (AHCPU510)
X
4096 (AHCPU520)
8192 (AHCPU530)
1024 (AHCPU500)
2048 (AHCPU510)
Y
4096 (AHCPU520)
8192 (AHCPU530)
262144 (AHCPU500)
D 524288 (AHCPU510)
1048576(AHCPU520/530)
262144 (AHCPU500)
L 524288 (AHCPU510)
1048576 (AHCPU520/530)
M 8192
SM 2048
S 2048
T 2048
C 2048
HC 64
64 (AHCPU500)
128 (AHCPU510)
X
256 (AHCPU520)
512 (AHCPU530)
64 (AHCPU500)
128 (AHCPU510)
Y
256 (AHCPU520)
512 (AHCPU530)
16384 (AHCPU500)
D 32768 (AHCPU510)
65536 (AHCPU520/530)
SR 2048
16384 (AHCPU500)
L 32768 (AHCPU510)
65536 (AHCPU520/530)
T 2048
C 2048
HC 64 (128 words)
E 32
16 bits: -32768~32767
K
32 bits: -2147483648~2147483647
16 bits: 16#0~16#FFFF
16#
32 bits: 16#0~16#FFFFFFFF
F 32 bits: ±1.17549435
Range
X0.0~X63.15
X0.0~X127.15
X0.0~X255.15
X0.0~X511.15
Y0.0~Y63.15
Y0.0~Y127.15
Y0.0~Y255.15
Y0.0~Y511.15
D0.0~D16383.15
D0.0~D32767.15
D0.0~D65535.15
L0.0~ L16383.15
L0.0~ L32767.15
L0.0~ L65535.15
M0~M8191
SM0~SM2047
S0~S2047
T0~T2047
C0~C2047
HC0~HC63
X0~X63
X0~X127
X0~X255
X0~X511
Y0~Y63
Y0~Y127
Y0~Y255
Y0~Y511
D0~D16383
D0~D32767
D0~D65535
SR0~SR2047
L0~L16383
L0~L32767
L0~L65535
T0~T2047
C0~C2047
HC0~HC63
E0~E31
-38 ~±3.40282347 +38