Rockwell Automation 57C421B Pulsetach Input Module/DCS 5000/AutoMax - Manual (Page 67)

GĆ1
Appendix G
Memory Map
Register Bit Description
0 Counter Data Latch Register
1 Counter Data Latch Register
2 Counter Data Update Period Register
3 Comparator Register
4 Comparator Register
5
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Interrupt Status andControl Register
System use only
System use only
System use only
Counter clear control
Counter clear control
Timer interrupt enable
Generate CCLK
System use only
External latch interrupt enable
External count stop interrupt enable
Z pulse andorigin interrupt enable
Comparator equal interrupt enable
Pulse multiplier
Timer/counter select
Counter clear inhibit
System use
6
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Mode Definition Register
External latch enable
External count stop enable
Count reverse
Count forward
System use only
System use only
System use only
System use only
Type of pulsetach
Inhibit counter
Origin/clear select
Z pulse polarity
Count stop input select
Origin/clear input select
External latch input select
Reset counter
7
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Module Status Register
Carry status
Borrow status
Counter greater than comparator
Counter less than comparator
Counter equals comparator
External latch input status
External count stop input status
Origin/clear input status
CCLK off
Pulse input direction
Carry status reset
Borrow status reset
Counter equals comparator status reset
External latch status reset
External count stop status reset
External origin/clear status reset