Mitsubishi QD51 Programming Manual page 104

Logic controller

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4 THE EXCHANGE BETWEEN THE PLC AND BUFFER MEMORY

45232 (&HB0B0)

(2) Q/QnA series

The device codes and usable device numbers are as follows.

TN (Timer [current value])

SS (Accumulated timer [contact])

SC (Accumulated timer [coil])

SN (Accumulated timer [current value]

CS (Counter [contact])

CN (Counter [current value])

SB (Link special relay)

SW (Link special register)

R (File register [for normal access])

ZR (File register [for continuous access])

(1) Accesses the device memory within the A/QnACPU.

(2) For Q/QnACPU, the internal relays (M), latch relays (L), step relays (S) of the

internal user are all separate devices.

(3) The usable device numbers in the chart are all usable ranges during default

assignment. If the device ranges are changed using parameter settings, the

device range can be accessed after the change is made.

M (Internal relay)

L (Latch relay)

F (Annunciator)

V (Edge relay)

B (Link relay)

D (Data register)

W (Link register)

TS (Timer [contact])

TC (Timer [coil])

CC (Counter [coil])

S (Step relay)

DX (Direct input)

DY (Direct output)

Z (Index register)

Usable Device Number

Ad51h-s3 Qd51-r24 A1sd51s