COMFILE CUTOUCH CT1820, Руководство пользователя

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CT18XX Series' Relays & Registers
The following lists the various relays and registers available for use in Ladder Logic.
Relay/Register
Designation
Range Units Feature
P - Input Relays P0~P31 1 bit For interfacing with external devices
P - Output Relays P32~P63 1 bit For interfacing with external devices
M - Internal Relays M0~M511 1 bit For saving internal status
F - Special Relays F0~F127 1 bit System status
T - Timer T0~T99 16 bits (1 word) For timers
C - Counter C0~C49 16 bits (1 word ) For counters
D - Data Region D0~99 16 bits (1 word) For Data storage
P, M, and F are accessed in bit units while T, C, and D are accessed in word units. However, P, M, and F
can also be accessed in word units using WP, WM, and WF respectively.
Relay/Register
Designation
Range Units Feature
WP WP0~7 16 bits (1 word) For accessing P in word units
WM WM0~WM63 16 bits (1 word) For accessing M in word units
Lower numbered designations are stored in the lower significant bits and higher numbered designations
are stored in higher significant bits. For example, the P region would appear as follows when accessed
as WP.
P0
WP0
WP1
WP2
WP3
P15
P31 P16
P32
P48
P47
P63
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