Rockwell-automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual Bedienungsanleitung PDF herunterladen (Seite 33)

Publication 1794-UM064B-EN-P - May 2014

Communicate With Your Module 21

1794-IE8/B Range Selection Bits

Channel No. Channel 0 Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7

F0 C0 F1 C1 F2 C2 F3 C3 F4 C4 F5 C5 F6 C6 F7 C7

Decimal Bits

(Octal Bits)

00 08

(10)

01 09

(11)

02 10

(12)

03 11

(13)

04 12

(14)

04 13

(15)

06 14

(16)

07 15

(17)

0…10V DC/0…20 mA

1010101010101010

4…20 mA

0101010101010101

-10…10V DC

1111111111111111

Off

0000000000000000

Where: C = Configure select bit

F = Full range bit

Off = When configured to off, individual channels will return 0000H on Series B modules, and 4…20 mA on Series A modules.

1794-IE8 Word/Bit Descriptions

Word Decimal Bit Definition

Read Word 0 Bits 00…14 Channel 0 analog data – 12-bit left justified two’s complement number;

unused lower bits are zero; 4…20 mA uses all 16 bits.

Bit 15 Channel 0 analog data sign bit.

Read Word 1 Bits 00…14 Channel 1 analog data – 12-bit left justified two’s complement number;

unused lower bits are zero; 4…20 mA uses all 16 bits.

Bit 15 Channel 1 analog data sign bit.

Read Word 2 Bits 00…14 Channel 2 analog data – 12-bit left justified two’s complement number;

unused lower bits are zero; 4…20 mA uses all 16 bits.

Bit 15 Channel 2 analog data sign bit.

Read Word 3 Bits 00…14 Channel 3 analog data – 12-bit left justified two’s complement number;

unused lower bits are zero; 4…20 mA uses all 16 bits.

Bit 15 Channel 3 analog data sign bit.

Read Word 4 Bits 00…14 Channel 4 analog data – 12-bit left justified two’s complement number;

unused lower bits are zero; 4…20 mA uses all 16 bits.

Bit 15 Channel 4 analog data sign bit.

Read Word 5 Bits 00…14 Channel 5 analog data – 12-bit left justified two’s complement number;

unused lower bits are zero; 4…20 mA uses all 16 bits.

Bit 15 Channel 5 analog data sign bit.

Read Word 6 Bits 00…14 Channel 6 analog data – 12-bit left justified two’s complement number;

unused lower bits are zero; 4…20 mA uses all 16 bits.

Bit 15 Channel 6 analog data sign bit.

Read Word 7 Bits 00…14 Channel 7 analog data – 12-bit left justified two’s complement number;

unused lower bits are zero; 4…20 mA uses all 16 bits.

Bit 15 Channel 7 analog data sign bit.

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