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Rockwell Automation 1747-DTAM-E,D17476.1 Data Table Access Module (DTAM) User Manual

Page 40

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5-6

Monitoring and Modifying Data

Publication 1747-6.1

You may use shorthand addressing to display an address at the bit
level.

1. To display the on/off status of the bit B3:1/14:

Press

>6+,)7@ >%@ >6+,)7@ >@ >@ >@ >(17(5@

The display shows the logical address on the top line and the on/
off status of that bit on the bottom line:

2. You can now use the

[

,1&

]

and

[

'(&

]

keys to step through

each bit in that word. This is explained later in this chapter.

The following chart shows you how shorthand addressing
corresponds to the logical addresses in processor memory:

Data File addresses may be entered from any Attached display except
the Data Entry display, described later in this chapter.

B3:1/14

. 1 . . . . . . . . . . . . . . . . .

Keyboard Entry

Data File Address

O0 to O31

O0:0.0 to O0:31.0

I0 to I31

I1:0.0 to I1:31.0

B0 to B255

B3:0 to B3:255

T0 to T255

T4:0 to T4:255

T0.PRE to T255.PRE

T4:0.PRE to T4:255.PRE

T0.ACC to T255.ACC

T4:0.ACC to T4:255.ACC

C0 to C255

C5:0 to C5:255

C0.PRE to C255.PRE

C5:0.PRE to C5:255.PRE

C0.ACC to C255.ACC

C5:0.ACC to C5:255.ACC

R0 to R255

R6:0 to R6:255

R0.POS to R255.POS

R6:0.POS to R6:255.POS

R0.LEN to R255.LEN

R6:0.LEN to R6:255.LEN

N0 to N255

N7:0 to N7:255