Delta AH500 - 5.1.4 Latched Areas in the Device Range

Chapter 5 Devices and Assigning Addresses
5-5
5.1.4 Latched Areas in the Device Range
Device
Function
Latched area
X
Input relay
All devices are non-latched.
Y
Output relay
All devices are non-latched.
M*
Auxiliary relay
The default range is M0~M8191.
SM Special auxiliary relay
Some devices are latched, and cannot be changed.
Please refer to the list of special auxiliary relays for more information.
S
Stepping relay
All devices are non-latched.
T*
Timer
The default range is T0~T2047.
C*
Counter
The default range is C0~C2047.
HC*
32-bit counter
The default range is HC0~HC63.
D* Data register
AH500-EN/RS2: The default range is D0~D16383.
AH501-EN/RS2: The default range is D0~D24575.
The default range is D0~D32767.
At most 32768 devices can be latched areas.
SR Special data register
Some are latched, and can not be changed.
Please refer to the list of special data registers for more information.
L
Link register
All devices are non-latched.
E
Index register
All devices are non-latched.
*: * indicates that users can set the range of latched areas, and that the device can be set to Non-latched
Area. The range of latched areas can not exceed the device range. Above all, only 32768 data registers at
most can be non-latched areas. For example, users can set D50~D32817 or D32768~D65535 to Latched
Areas although the default range of latched areas is D0~D32767.