Rockwell Automation 1794-IP4 Series B FLEX I/O PULSE COUNTER User Manual User Manual
Page 42
4–3
Writing Configuration to and Reading Status from Your Module with a Remote I/O Adapter
Publication 1794ĆUM016B-EN-P - August 2002
Block Transfer Read Word Assignments for the Pulse Counter
Module (1794-IP4)
(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
09
08
07
06
05
04
03
02
01
00
Word
⇓
Read
0
Counter 00 - 16-bit periodmeasurement or low wordof 32Ćbit periodmeasurement for channel 0
1
Counter 01 - pulse counter or high wordof 32Ćbit periodmeasurement for channel 0
2
Counter 10 - 16-bit periodmeasurement or low wordof 32Ćbit periodmeasurement for channel 1
3
Counter 11 - pulse counter or high wordof 32Ćbit periodmeasurement for channel 1
4
Counter 20 - 16-bit periodmeasurement or low wordof 32Ćbit periodmeasurement for channel 2
5
Counter 21 - pulse counter or high wordof 32Ćbit periodmeasurement for channel 2
6
Counter 30 - 16-bit periodmeasurement or low wordof 32Ćbit periodmeasurement for channel 3
7
Counter 31 - pulse counter or high wordof 32Ćbit periodmeasurement for channel 3
8
Readback of Control Word 2
8
Reserved
RD3 RD2 RD1
RD0
M3
M2
M1
M0
9
Revision read- software version code
Where: M = positive edge measurement ready for the respective channel.
RD = Reset Done for the respective channel.
. . . . . .
Bit/Word Definitions for Block Transfer Read Words
for the
Pulse Counter Module
Read
Word
Bit
Definition
0
Bits 00-15
(00-17)
Store Counter 00 - 16-bit periodmeasurement or low wordof 32Ćbit periodmeasurement for channel 0.
1
Bits 00-15
(00-17)
Counter 01 - pulse counter or high wordof 32Ćbit periodmeasurement for channel 0
2
Bits 00-15
(00-17)
Counter 10 - 16-bit periodmeasurement or low wordof 32Ćbit periodmeasurement for channel 1.
3
Bits 00-15
(00-17)
Counter 11 - pulse counter or high wordof 32Ćbit periodmeasurement for channel 1
4
Bits 00-15
(00-17)
Counter 20 - 16-bit periodmeasurement or low wordof 32Ćbit periodmeasurement for channel 2.
5
Bits 00-15
(00-17)
Counter 21 - pulse counter or high wordof 32Ćbit periodmeasurement for channel 2
6
Bits 00-15
(00-17)
Counter 30 - 16-bit periodmeasurement or low wordof 32Ćbit periodmeasurement for channel 3.
7
Bits 00-15
(00-17)
Counter 31 - pulse counter or high wordof 32Ćbit periodmeasurement for channel 3