Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario descargar pdf (Pagina 116)

Publication 1760-UM003A-EN-P - September 2005

7-36 Pico GFX Control Commands

Comparator: CP01 – CP32

(1) The value can only be written if it is assigned to a constant in the program.

TIP

The data for index 2 to 5 is transferred as a 32-bit

value in Intel format (Data 1 – Low Byte to Data 4 –

High Byte).

Table 6.130 Index 0 – Bit IO

Bit76543 2 1 0

FB input Data 1 –––––

(2)

(2) Counter enable

(4)

(4) Transfer preset actual value on rising edge

(6)

(6) Reset actual value to zero

FB output Data 3 ––––

(1)

(1) Zero: Status 1 if the value of the function block output QV (the counter status) equals zero

(3)

(3) Carry: Status 1 if the value range is exceeded

(5)

(5) Fall below: Status 1 if the actual value F lower setpoint

(7)

(7) Overflow: Status 1 if the actual value f lower setpoint

Table 6.131 Telegram Structure

Byte Meaning Value (hex), sent by

Master Slave Master Slave

Attribute ID

Read 92 –

Write B2 –

0 Response:

Read successful – C2

Write successful – C1

Command rejected – C0

0 1 Type 18 18

1 2 Instance 01 – 20 01 – 20

2 3 Index Table 6.132 Table 6.132

1 2 ... 111 112 113 114 115 116 117 118 119 120 121 ... 167 168

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Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario Pagina 116