Rockwell-automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual Instrukcja Użytkownika Pobierz pdf (Strona 77)

Publication 1794-UM064B-EN-P - May 2014

Communicate With Your Module 65

Write Word 0 Bit Control Word 0 – Control word for setting the function of counter 0.

Bit 00 Pulse counting and period time measurement selection for Channel 0 –

0 = pulse counting and period measurement selected.

1 = period time measurement selected.

Bit 01 Pulse counting and period time measurement selection for Channel 1 –

0 = pulse counting and period measurement selected.

1 = period time measurement selected.

Bit 02 Pulse counting and period time measurement selection for Channel 2 –

0 = pulse counting and period measurement selected.

1 = period time measurement selected.

Bit 03 Pulse counting and period time measurement selection for Channel 3 –

0 = pulse counting and period measurement selected.

1 = period time measurement selected.

Bits 04…15

(04…17)

Reserved.

Write Word 1 Bit 00 Clock frequency for period time measurement - Channel 0 –

0 = period time measurement with 10 MHz internal clock selected.

1 = period time measurement with 1 MHz internal clock selected.

Bits 01…03 03 02 01 Number of periods for measurement - Channel 0.

0 0 0 1 period.

0 0 1 2 periods.

0 1 0 4 periods.

0 1 1 8 periods.

1 0 0 16 periods.

1 0 1 32 periods.

1 1 0 64 periods.

1 1 1 128 periods.

Bit 04 Clock frequency for period time measurement - Channel 1 – see Bit 00 above.

Bits 05…07 Selection of Number of period for measurement - Channel 1 – see Bits 01…03 above.

Bits 08(10) Clock frequency for period time measurement - Channel 2 – see Bit 00 above.

Bits 09…11

(11…13)

Selection of Number of period for measurement - Channel 2 – see Bits 01…03 above.

Bit 12(14) Clock frequency for period time measurement - Channel 1 – see Bit 00 above.

Bits 13…15

(15…17)

Selection of Number of periods for measurement - Channel 1 – see Bits 01…03 above.

1794-IP4 Pulse Counter Module Word/Bit Definitions

Word Bit Definition

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 152 153

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Rockwell-automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual Instrukcja Użytkownika Strona 77