Rockwell-automation 1794-IJ2XT FLEX I/O Frequency Input Modules User M Manuel d'utilisateur télécharger pdf (Page 79)

Publication 1794-6.5.11 - September 2011

Program Your Module with PLC Processors 69

BTR

BLOCK TRANSFER READ

Rack

Group

Slot

Control Block

BR141:0

Data File

BT Length

Continuous

2BTD5:101

BTW

BLOCK TRANSFER WRITE

Rack

Group

Slot

Control Block

BW141:0

Data File

BT Length

Continuous

2BTD5:1

BR141:0

BW141:0

Rung 1STEPO:1

The IJ2 module is located in rack 14, I/O group 1, slot 0. The data obtained by the PLC-5/250 processor from the

IJ2 module is placed in the data table starting at 2BTD5:101, and with the default length of 0, is 7 words long. The

length can be any number between 0 and 7.

BW141:0

Rung 1STEPO:1

The IJ2 module is located in rack 14, I/O group 1, slot 0. The data sent to the IJ2 module from the PLC-5/250 processor

is from the data table starting at 2BTD5:1, and with a default length of 0, is 8 words long.

Valid BTW lengths can be any number between 0 and 8.

IJ2 BTR

Enable Bit

IJ2 BTW

Enable Bit

IJ2 BTR

Control File

IJ2 BTR

Enable Bit

IJ2 BTW

Enable Bit

IJ2 BTW

Control File

meout

BT Timeout 4

PLC-5/250 Processor

Program Example

45565

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 85 86 87

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Rockwell-automation 1794-IJ2XT FLEX I/O Frequency Input Modules User M Manuel d'utilisateur Page 79

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