Specialty i/o – Rockwell Automation 1734-ACNR POINT I/O ControlNet Adapter User Manual User Manual

Page 85

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Publication 1734-UM008B-EN-P - August 2005

1734-POINT I/O Module/RSLogix5000 Controller Tag Reference A-23

Specialty I/O

1734-VHSC24
1 Channel 15-24V DC Very High Speed Counter
1734-VHSC5
1 Channel 5V DC Very High Speed Counter

Configuration Data

Data
Type

Default
Value

Valid Data Values

Counter Config

Config_0
Config_1
Config_2
Config_3

Mode_4
Mode_5
Mode_6

Z Input

SINT
BIT 0
BIT 1
BIT 2
BIT 3

BIT 4
BIT 5
BIT 6

BIT 7

0

0000=0=Counter
0001=1=Encoder X1
0010=2=Encoder X2
0011=3=PWM
0100=4=Encoder X4
0101=5=Period/Rate
0110=6=Continuous/Rate
0111=7=Rate Measurement
1000=8=Pulse Generator

000=Store Count Disable
001=Store/Continue
010=Store/Wait/Resume
011=Store,Reset/Wait/Start
100=Store,Reset/Start

0=Z Input Not Inverted
1=Z Input Is Inverted

Filter

Filter_0
Filter_1
Filter_2
Filter_3

FilterA
FilterB
FilterZ

SINT
BIT 0
BIT 1
BIT 2
BIT 3

BIT 4
BIT 5
BIT 6

120
(0x78H)

0000=No Filter
0001=50 KHz
0010=5 KHz
0100=500 Hz
1000=50 Hz

0=Input A/B/Z Not Filtered
1=Input A/B/Z Is Filtered

Decimal Position

SINT

0

Counter Config 0, 1, 2, 3, 4:
-128 to +127 (0 - 255)
Counter Config 5, 6, & 7:
-4 to +2

Time Base
(in 10 ms intervals)

INT

0

Counter Config 3 & 7 only:
0-3000 ms (10 ms to 3 sec)

Gate Interval
(Product of Time Base x Gate
Interval must be

≤ 3000 ms)

SINT

0

Counter Config 3 & 7 only:
-128 to +127 (0 - 200)

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