Delta AH500 - 2.2.3 AH500 Redundancy CPU Module Specification

AH500 Hardware and Operation Manual
2-8
2.2.3 AH500 Redundancy CPU Module Specification
Item
AHCPU560-EN2 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.)
By setting
the
parameter
Program capacity (step)
1M 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
64
Maximum number of
backplanes which can be
connected
8
Number of tasks
Single mode: 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)
Redundant mode: 36 tasks (32 cyclic tasks; 4 timed
interrupts)
Number of inputs/outputs
Single mode: 4352
Redundant mode: 3584
For I/O
module
Input relays [X]
65536 (X0.0-X4095.15)
Output relays [Y]
65536 (Y0.0-Y4095.15)
Internal relays [M]
8192 (M0-M8191)
Link registers [L]
262144 (L0-L262143)
Timers [T]
2048 (T0-T2047)
Counters [C]
2048 (C0-C2047)
32-bit counter [HC]
64 (HC0-HC63)
Data register [D]
262144 (D0-D262143)
Stepping relay [S]
4096 (S0-S4095)
Index register [E]
32 (E0-E31)
Special auxiliary relay [SM]
4096 (SM0-SM4095)
Special data register [SR]
4096 (SR0-SR4095)
Serial communication port
1 port: RS-232/485
Ethernet port
10/100M
MODBUS TCP connection
number (Slave)
160