Delta AH500 series Hardware Manual page 35

Item
Number of modules
Number of backplanes
Number of tasks
Number of input/output
devices
Number of inputs/outputs
Input relay [X]
Output relay [Y]
Internal relay [M]
Link register [L]
Timer [T]
Counter [C]
32-bit counter [HC]
Data register [D]
Stepping relay [S]
Index register [E]
Special auxiliary relay [SM] 2048 (SM0~SM2047)
Special data register [SR]
Serial communication port
Ethernet port
USB port
3 - 4
AHCPU500/510/ AHCPU500/510/
520/530-RS2 520/530-EN
Twelve input/output modules at
most can be installed on a main
backplane. Eight input/output
modules at most can be installed
on an extension backplane. Seven
extension backplanes at most can
be connected. Sixty-eight
input/output modules at most can
be installed.
Eight backplanes at most (one
main backplane and seven
extension backplanes)
283 tasks (Cyclic: 32; I/O
interrupt: 32; timed interrupt: 4;
communication interrupt: 2;
external 24 V low-voltage
interrupt: 1; External interrupt:
212)
8192 input/output devices
(X0.0~X511.15/Y0.0~Y511.15)
768 inputs/outputs (AHCPU500)
1280 inputs/outputs (AHCPU510)
2304 inputs/outputs (AHCPU520)
4352 inputs/outputs (AHCPU530)
8192 (X0.0~X511.15)
8192 (Y0.0~Y511.15)
8192 (M0~M8191)
AHCPU500: 16384
(L0.0~L16383.15)
AHCPU510: 32768
(L0.0~L32767.15)
AHCPU520: 65536
(L0.0~L65535.15)
AHCPU 530: 65536
(L0.0~L65535.15)
2048 (T0~T2047)
2048 (C0~C2047)
64 (HC0~HC63)
AHCPU500:16384 (D0~D16383)
AHCPU510: 32768 (D0~D32767)
AHCPU520: 65536 (D0~D65535)
AHCPU530: 65536 (D0~D65535)
2048 (S0~S2047)
32 (E0~E31)
2048 (SR0~SR2047)
Two One
RS-232/RS-485/ RS-232/RS-485/
RS-422 RS-422
communication communication
ports port
- 10/100 M
Mini USB
Ch ap te r 3 Pro duc t Spec ifica tions
Remark
Number of devices which can
be used in a program
Number of inputs/outputs
accessible to an actual
input/output module