Delta AH500 - 2.2.2 AH500 Series Advanced CPU Modules

AH500 Hardware and Operation Manual
2-6
2.2.2 13BAH500 Series Advanced CPU Modules
Item
AHCPU501/511/521/
531-RS2
AHCPU501/511/521/
531-EN and AHCPU521-
DNP
Remark
Execution
The program is executed cyclically.
Input/Output control
Regenerated inputs/outputs
Direct inputs/outputs
The inputs and
outputs can be
controlled through the
direct inputs and
direct outputs.
Programming language
IEC 61131-3
Ladder diagrams, function block diagrams,
instruction lists, structured texts, and sequential
function charts
Instruction execution speed
12K steps/ms
Number of instructions
Approximately 666 instructions
Constant scan cycle (ms)
1-32000
(The scan cycle can be increased by one
millisecond.)
Setting the parameter
Program capacity (step)
AHCPU501: 48 steps
AHCPU511: 96K steps
AHCPU521: 192K steps
AHCPU531: 384K steps
Installation
DIN rails or screws
Installation of a module
A module is installed directly on a backplane.
Connection between two
backplanes
An extension cable connects two backplanes.
Maximum number of
modules which can be
installed
AHCPU501: 12 modules
AHCPU511: 20 modules
AHCPU521: 36 modules
AHCPU531: 68 modules
Maximum number of
backplanes which can be
connected
AHCPU501: 1 main backplane
AHCPU511: 2 backplane (1 main backplane+1
extension backplane)
AHCPU521: 4 backplanes (1 main backplane+3
extension backplane)
AHCPU531: 8 backplanes (1 main backplane+7
extension backplanes)
Number of tasks
283 tasks (32 cyclic tasks; 32 I/O interrupts; 4
timed interrupts; 2 communication interrupts; 1
external 24 V low-voltage interrupt; 212 external
interrupts)
Number of inputs/outputs
AHCPU501: 768
AHCPU511: 1280
AHCPU521: 2304
AHCPU531: 4352
Number of
inputs/outputs
accessible to an
actual input/output
module
Input relays [X]
AHCPU501: 2048 (X0.0~X127.15)
AHCPU511: 4096 (X0.0~X255.15)
AHCPU521: 8192 (X0.0~X511.15)
AHCPU531: 16384 (X0.0~X1023.15)
Output relays [Y]
AHCPU501: 2048 (Y0.0~X127.15)
AHCPU511: 4096 (Y0.0~Y255.15)
AHCPU521: 8192 (Y0.0~Y511.15)
AHCPU531: 16384 (Y0.0~Y1023.15)
Internal relays [M]
8192 (M0~M8191)