Delta AH500 Hardware Operation Manual page 40

Item
Link registers [L]
Timers [T]
Counters [C]
32-bit counter [HC]
Data register [D]
Stepping relay [S]
Index register [E]
Special auxiliary relay [SM]
Special data register [SR]
Serial communication port
Ethernet port
MODBUS TCP
connection number
(Server)
MODBUS TCP
connection number
(Client)
Socket TCP connecton
number
Socket UDP connection
number
SMTP connection number
USB port
Storage interface
Remote RUN/STOP
Real-time clock
Real-time clock accuracy
Weight
Communication
port isolation
C h a p t e r 2 S p e c i f i c a t i o n s a n d S y s t e m C o n f i g u r a t i o n
AHCPU501/511/521/
531-EN and AHCPU521-
531-RS2
AHCPU501: 24576 (L0~L24575)
AHCPU511: 49152 (L0~L49151)
AHCPU521: 98304 (L0~L98303)
AHCPU531: 131072 (L0~L131071)
2048 (T0~T2047)
2048 (C0~C2047)
64 (HC0~HC63)
AHCPU501: 24576 (D0~D24575)
AHCPU511: 49152 (D0~D49151)
AHCPU521: 98304 (D0~D98303)
AHCPU531: 131072 (D0~D131071)
2048 (S0~S2047)
32 (E0~E31)
4096 (SM0~SM4095)
4096 (SR0~SR4095)
Two RS-232/RS- One RS-232/RS-
485/RS-422 485/RS-422
communication ports communication port
- 10/100 M
32
For FW V2.02 or later:
AHCPU501-EN：48
-
AHCPU511-EN：64
AHCPU521-EN：96
AHCPU521-DNP：96
AHCPU531-EN：160
AHCPU501-EN: 16
AHCPU511-EN: 32
- AHCPU521-EN: 64
AHCPU521-DNP: 64
AHCPU531-EN: 128
- 8
- 8
- 8
Mini USB
SD Card (SD 1.0)
The setting range is X0.0~X511.15.
Years, months, days, hours, minutes, seconds, and
weeks; real-time clock can be retained after power-
off for up to 30 days (the environment temperature
o o
25 C / 77 F)
Maximum deviation per month
o o
-20 C / -4 F: -117 seconds
o o
25 C / 77 F: 52 seconds
o o
60 C / 140 F: -127 seconds
253g 252g
COM1 and COM2 ports:
COM1 and COM2 ports:
500 VAC
500 VAC
Ethernet: 1500 VAC
AHCPU501/511/521/
DNP
Remark
2 - 7