Rockwell Automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual User Manual
Page 75

Publication 1794-UM064B-EN-P - May 2014
Communicate With Your Module 63
1794-IP4 – Pulse Counter Module Image Table Mapping
1794-IP4 Pulse Counter Module Block Transfer Word Assignments
(Octal Bit
⇒ )
17
16
15
14
13
12
11
10
07
06
05
04
03
02
01
00
Dec. Bit
⇒
15
14
13
12
11
10
03
08
07
06
05
04
03
02
01
00
Word
⇓
Read
1
Ch 0 Data 0 – 16-bit period measurement or low word of 32-bit period measurement for channel 0.
2
Ch 0 Data 1 – pulse counter or high word of 32-bit period measurement for channel 0.
3
Ch 1 Data 0 – 16-bit period measurement or low word of 32-bit period measurement for channel 1.
4
Ch 1 Data 1 – pulse counter or high word of 32-bit period measurement for channel 1.
5
Ch 2 Data 0 – 16-bit period measurement or low word of 32-bit period measurement for channel 2.
6
Ch 2 Data 1 – pulse counter or high word of 32-bit period measurement for channel 2.
7
Ch 3 Data 0 – 16-bit period measurement or low word of 32-bit period measurement for channel 3.
8
Ch 3 Data 1 – pulse counter or high word of 32-bit period measurement for channel 3.
9
Status.
Reserved.
RD3
RD2
RD1
RD0
Ch 3
Ready
Ch 2
Ready
Ch 1
Ready
Ch 0
Ready
10
Revision read – software version code.
1151