Plc-5 family processors – Rockwell Automation 1771-IR Series D RTD Input Module User Manual User Manual

Page 55

Programming Examples

B–3

Publication 1771Ć6.5.129 - March 2000

1. Press [SHIFT][MODE] to display your ladder diagram on the

industrial terminal.

2. Press DD,03:0[ENTER] to display the block transfer write file.

The industrial terminal screen should look like Figure B.2. Notice
the highlighted block of zeroes. This highlighted block is the cursor.
It should be in the same place as it appears in figure B.2. If it is not,
you can move it to the desired position with the cursor control keys.
Once you have the highlighted cursor in the right place, you can go
on to step 3.

Figure B.2

Write Block Transfer for a PLC-3 Processor

00000000 00000000

00000000 00000000
00000000 00000000
00000000 00000000

00000000 00000000

00000000 00000000
00000000 00000000
00000000 00000000

00000000 00000000

00000

00004

00010
00014

00020

WORD #

START - W0003 : 0000

DATA MONITOR

PROG : I/O OFF

NO FORCES :

NO EDITS :

RUNG # [RM000000]

: MEM PROT OFF

$ W03:0 - [ ]

3. Enter the data corresponding to your bit selection in word 0.

4. When you have entered your data, press [ENTER]. If you make a

mistake, make sure the cursor is over the word you desire to
change. Enter the correct data and press [ENTER].

5. Press [CANCEL COMMAND]. This returns you to the ladder

diagram.

The following is a sample procedure for entering data in the
configuration words of the block transfer write instruction when
using a PLC–5 processor. For a complete sample program, refer to
Figure 4.3.

1. Enter the following rung:

BTW

BLOCK XFER WRITE

RACK:

GROUP:

MODULE:

CONTROL:

N7:0

DATA FILE:

LENGTH:

CONTINUOUS:

N7:60

Power Up Bit

N7:60 is the address of the BTW transfer file.

PLC-5 Family Processors