Allen-Bradley POINT I/O 1734-VHSC5 User manual

Installation Instructions
POINT I/O 5V DC and 24V DC Very High
Speed Counter Module
Catalog Numbers 1734-VHSC5, 1734-VHSC24,1734-VHSC24K,
Series C
Catalog numbers with the suffix ‘K’ are conformal coated and their specifications are the
same as non-conformal coated catalogs.
Table of Contents
Topic Page
Important User Information 2
Environment and Enclosure 3
Prevent Electrostatic Discharge 3
North American Hazardous Location Approval 4
European Hazardous Location Approval 5
Additional Resources 7
Before You Begin 7
Install the Mounting Base 9
Install the Module 10
Install the Removable Terminal Block 12
Remove a Mounting Base 14
Wire the Module 15
Communicate with the Module 16
Interpret Status Indicators 22
Specifications 24

2POINT I/O 5V DC and 24V DC Very High Speed Counter Module
Publication 1734-IN003H-EN-E - December 2018
Important User Information
Solid-state equipment has operational characteristics differing from those of electromechanical
equipment. Safety Guidelines for the Application, Installation, and Maintenance of Solid-State Controls
(Publication SGI-1.1 available from your local Rockwell Automation sales office or online at
http://www.rockwellautomation.com/literature/) describes some important differences between
solid-state equipment and hard-wired electromechanical devices. Because of this difference, and also
because of the wide variety of uses for solid-state equipment, all persons responsible for applying this
equipment must satisfy themselves that each intended application of this equipment is acceptable.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages
resulting from the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes. Because of the
many variables and requirements associated with any particular installation, Rockwell Automation, Inc.
cannot assume responsibility or liability for actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits,
equipment, or software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell
Automation, Inc., is prohibited.
Throughout this manual, when necessary, we use notes to make you aware of safety considerations.
WARNING: Identifies information about practices or circumstances that can cause an
explosion in a hazardous environment, which may lead to personal injury or death,
property damage, or economic loss.
ATTENTION: Identifies information about practices or circumstances that can lead to
personal injury or death, property damage, or economic loss. Attentions help you
identify a hazard, avoid a hazard and recognize the consequences.
SHOCK HAZARD: Labels may be on or inside the equipment (for example, drive or
motor) to alert people that dangerous voltage may be present.
BURN HAZARD: Labels may be on or inside the equipment (for example, drive or
motor) to alert people that surfaces may reach dangerous temperatures.
IMPORTANT Identifies information that is critical for successful application and understanding of
the product.

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 3
Publication 1734-IN003H-EN-E - December 2018
Environment and Enclosure
Prevent Electrostatic Discharge
ATTENTION: This equipment is intended for use in a Pollution Degree 2
industrial environment, in overvoltage Category II applications (as defined in
EN/IEC 60664-1), at altitudes up to 2000 m (6562 ft) without derating.
This equipment is not intended for use in residential environments and may not
provide adequate protection to radio communication services in such
environments.
This equipment is supplied as open-type equipment for indoor use. It must be
mounted within an enclosure that is suitably designed for those specific
environmental conditions that will be present and appropriately designed to
prevent personal injury resulting from accessibility to live parts. The enclosure
must have suitable flame-retardant properties to prevent or minimize the spread
of flame, complying with a flame spread rating of 5VA or be approved for the
application if nonmetallic. The interior of the enclosure must be accessible only
by the use of a tool. Subsequent sections of this publication may contain more
information regarding specific enclosure type ratings that are required to
comply with certain product safety certifications.
In addition to this publication, see the following:
• Industrial Automation Wiring and Grounding Guidelines, publication
1770-4.1, for more installation requirements.
• NEMA Standard 250 and EN/IEC 60529, as applicable, for explanations of
the degrees of protection provided by enclosures.
ATTENTION: This equipment is sensitive to electrostatic discharge, which can
cause internal damage and affect normal operation. Follow these guidelines
when you handle this equipment:
• Touch a grounded object to discharge potential static.
• Wear an approved grounding wriststrap.
• Do not touch connectors or pins on component boards.
• Do not touch circuit components inside the equipment.
• Use a static-safe workstation, if available.
• Store the equipment in appropriate static-safe packaging when not in use.

4POINT I/O 5V DC and 24V DC Very High Speed Counter Module
Publication 1734-IN003H-EN-E - December 2018
North American Hazardous Location Approval
The following information applies when
operating this equipment in hazardous
locations:
Informations sur l'utilisation de cet équipement
en environnements dangereux:
Products marked "CL I, DIV 2, GP A, B, C, D" are suitable
for use in Class I Division 2 Groups A, B, C, D, Hazardous
Locations and nonhazardous locations only. Each product
is supplied with markings on the rating nameplate
indicating the hazardous location temperature code.
When combining products within a system, the most
adverse temperature code (lowest "T" number) may be
used to help determine the overall temperature code of
the system. Combinations of equipment in your system
are subject to investigation by the local Authority Having
Jurisdiction at the time of installation.
Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne conviennent
qu'à une utilisation en environnements de Classe I Division 2
Groupes A, B, C, D dangereux et non dangereux. Chaque produit
est livré avec des marquages sur sa plaque d'identification qui
indiquent le code de température pour les environnements
dangereux. Lorsque plusieurs produits sont combinés dans un
système, le code de température le plus défavorable (code de
température le plus faible) peut être utilisé pour déterminer le
code de température global du système. Les combinaisons
d'équipements dans le système sont sujettes à inspection par
les autorités locales qualifiées au moment de l'installation.
EXPLOSION HAZARD
• Do not disconnect equipment unless
power has been removed or the area is
known to be nonhazardous.
• Do not disconnect connections to this
equipment unless power has been
removed or the area is known to be
nonhazardous. Secure any external
connections that mate to this equipment
by using screws, sliding latches,
threaded connectors, or other means
provided with this product.
• Substitution of components may impair
suitability for Class I, Division 2.
RISQUE D’EXPLOSION
• Couper le courant ou s'assurer que
l'environnement est classé non dangereux
avant de débrancher l'équipement.
• Couper le courant ou s'assurer que
l'environnement est classé non dangereux
avant de débrancher les connecteurs. Fixer
tous les connecteurs externes reliés à cet
équipement à l'aide de vis, loquets
coulissants, connecteurs filetés ou autres
moyens fournis avec ce produit.
• La substitution de composants peut rendre cet
équipement inadapté à une utilisation en
environnement de Classe I, Division 2.

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 5
Publication 1734-IN003H-EN-E - December 2018
European Hazardous Location Approval
The following applies to products marked II 3 G:
• Are intended for use in potentially explosive atmospheres as defined by European
Union Directive 2014/34/EU and has been found to comply with the Essential Health
and Safety Requirements relating to the design and construction of Category 3
equipment intended for use in Zone 2 potentially explosive atmospheres, given in
Annex II to this Directive.
• Compliance with the Essential Health and Safety Requirements has been assured by
compliance with EN 60079-15 and EN 60079-0.
• Are Equipment Group II, Equipment Category 3, and comply with the Essential Health
and Safety Requirements relating to the design and construction of such equipment
given in Annex II to EU Directive 2014/34/EU. See the EU Declaration of Conformity at
http://www.rockwellautomation.com/global/certification/overview.page for details.
• The type of protection is Ex nA IIC T4 Gc according to EN 60079-15.
• Comply to Standards EN 60079-0:2012+A11:2013, EN 60079-15:2010, reference
certificate number DEMKO 04 ATEX 0330347X.
• Are intended for use in areas in which explosive atmospheres caused by gases,
vapors, mists, or air are unlikely to occur, or are likely to occur only infrequently and
for short periods. Such locations correspond to Zone 2 classification according to
ATEX directive 2014/34/EU.
• May have catalog numbers followed by a “K” to indicate a conformal coating option.
WARNING: Special Conditions for Safe Use:
• This equipment is not resistant to sunlight or other sources of UV radiation.
• This equipment shall be mounted in an ATEX/IECEx Zone 2 certified
enclosure with a minimum ingress protection rating of at least IP54 (in
accordance with EN/IEC 60079-15) and used in an environment of not more
than Pollution Degree 2 (as defined in EN/IEC 60664-1) when applied in
Zone 2 environments. The enclosure must be accessible only by the use of
a tool.
• This equipment shall be used within its specified ratings that are defined by
Rockwell Automation.
• Provision shall be made to prevent the rated voltage from being exceeded
by transient disturbances of more than 140% of the peak rated voltage
when applied in Zone 2 environments.
• The instructions in the user manual shall be observed.
• This equipment must be used only with ATEX certified Rockwell
Automation backplanes.
• Earthing is accomplished through mounting of modules on rail.
• Devices shall be used in an environment of not more than Pollution
Degree 2.

6POINT I/O 5V DC and 24V DC Very High Speed Counter Module
Publication 1734-IN003H-EN-E - December 2018
ATTENTION: If this equipment is used in a manner not specified by the
manufacturer, the protection provided by the equipment may be impaired.
ATTENTION: Read this document and the documents listed in the Additional
Resources section about installation, configuration, and operation of this
equipment before you install, configure, operate, or maintain this product. Users
are required to familiarize themselves with installation and wiring instructions
in addition to requirements of all applicable codes, laws, and standards.
ATTENTION: Installation, adjustments, putting into service, use, assembly,
disassembly, and maintenance are required to be carried out by suitably trained
personnel in accordance with applicable code of practice.
In case of malfunction or damage, no attempts at repair should be made. The
module should be returned to the manufacturer for repair. Do not dismantle
the module.
ATTENTION: This equipment is certified for use only within the surrounding air
temperature range of -20…+55 °C (-4…+131 °F). The equipment must not be
used outside of this range.
ATTENTION: Use only a soft dry anti-static cloth to wipe down equipment. Do
not use any cleaning agents.
ATTENTION: To comply with UL restrictions, the secondary circuit (backplane)
must be powered from a source compliant with the following:
Class 2 or Limited Voltage/Current.
ATTENTION: This equipment is not resistant to sunlight or other sources of
UV radiation.
WARNING: If you insert or remove the module while backplane power is on, an
electrical arc can occur. This could cause an explosion in hazardous location
installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
WARNING: Secure any external connections that mate to this equipment by
using screws, sliding latches, threaded connectors, or other means provided
with this product.
WARNING: Do not disconnect equipment unless power has been removed or
the area is known to be nonhazardous.

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 7
Publication 1734-IN003H-EN-E - December 2018
Additional Resources
Refer to the POINT I/O™ Very High-Speed Counter Module User Manual, publication
1734-UM003, for more information on how to use the module.
You can view or download publications at
http://www.rockwellautomation.com/literature/. To order paper copies of technical
documentation, contact your local Rockwell Automation distributor or sales
representative.
Before You Begin
The modules referred to in this publication are as follows:
• 1734-VHSC5, Series C
POINT I/O 5V DC Very High Speed Counter Module
• 1734-VHSC24, 1734-VHSC24K, Series C
POINT I/O 24V DC Very High Speed Counter Module
The VHSC is a two-module set:
• Module 1 houses the VHSC functionality.
• Module 2 provides screw terminals necessary to access chassis ground (chas gnd)
and common (C).
– Module 2 connects screws 4 and 5 and screws 6 and 7 for ease of wiring
power to the input device.
– Module 2 is not necessary for VHSC functionality.
– Module 2 serves only to ease customer wiring.
– Module 2 does not use a node address or consume power from the
POINTBus.
Mount module 2 adjacent to module 1.
Note that this series C product can be used with the following:
• DeviceNet® and PROFIBUS adapters
• ControlNet® and EtherNet/IP™ adapters, using RSLogix 5000® software, version
11 or later
See the figure to familiarize yourself with major parts of the module, noting that the wiring
base assembly is the 1734-TB or 1734-TBS POINT I/O™ two-piece terminal base, which
includes the 1734-RTB or 1734-RTBS removable terminal block, and 1734-MB
mounting base

8POINT I/O 5V DC and 24V DC Very High Speed Counter Module
Publication 1734-IN003H-EN-E - December 2018
POINT I/O VHSC Module with 1734-TB or 1734-TBS Base
Description Description
1 Module locking mechanism 6 Slide-in writable label
2 Module wiring diagram 7 Insertable I/O module
3 DIN rail locking screw (orange) 8 Removable terminal block (RTB) handle
4 Mechanical keying (orange) 9 Removable terminal block with screw
(1734-RTB) or spring clamp (1734-RTBS)
5 Interlocking side pieces 10 Mounting base
NODE:
0
1
0
1
1
2
3
4
5
6
8
9
10
7
41825

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 9
Publication 1734-IN003H-EN-E - December 2018
Install the Mounting Base
To install the mounting base on the DIN rail (Allen-Bradley® part number 199-DR1;
46277-3; EN50022), proceed as follows.
1. Position the mounting base vertically above the installed units (adapter, power
supply or existing module).
ATTENTION: This product is grounded through the DIN rail to chassis ground.
Use zinc plated chromate-passivated steel DIN rail to assure proper grounding.
The use of other DIN rail materials (for example, aluminum or plastic) that can
corrode, oxidize, or are poor conductors, can result in improper or intermittent
grounding. Secure DIN rail to mounting surface approximately every 200 mm
(7.8 in.) and use end-anchors appropriately. Be sure to ground the DIN rail
properly. Refer to Industrial Automation Wiring and Grounding Guidelines,
Rockwell Automation publication 1770-4.1, for more information.
WARNING: When used in a Class I, Division 2, hazardous location, this
equipment must be mounted in a suitable enclosure with proper wiring method
that complies with the governing electrical codes.
46014

10 POINT I/O 5V DC and 24V DC Very High Speed Counter Module
Publication 1734-IN003H-EN-E - December 2018
2. Slide the mounting base down allowing the interlocking side pieces to engage the
adjacent module or adapter.
3. Press firmly to seat the mounting base on the DIN rail.
The mounting base snaps into place.
Install the Module
The module can be installed before or after base installation. Make sure that the mounting
base is correctly keyed before installing the module into the mounting base. In addition,
make sure the mounting base locking screw is positioned horizontal referenced to the base.
To install the module, proceed as follows.
1. Use a bladed screwdriver to rotate the keyswitch on the mounting base clockwise
until the number required for the type of module you are installing aligns with
the notch in the base.
2. Verify the DIN rail locking screw is in the horizontal position.
You cannot insert the module if the locking mechanism is unlocked.
WARNING: When you insert or remove the module while backplane power is
on, an electrical arc can occur. This could cause an explosion in hazardous
location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
Repeated electrical arcing causes excessive wear to contacts on both the
module and its mating connector. Worn contacts may create electrical
resistance that can affect module operation.

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 11
Publication 1734-IN003H-EN-E - December 2018
3. Insert the module straight down into the mounting base and press to secure.
The module locks into place.
Turn the keyswitch to
align the number with
the notch. Notch
position 3 is shown.
Be sure the DIN-rail
locking screw is in the
horizontal position.
1734-TB Base
45696
Module
Status
Network
Status
NODE:
0
1
2
3

12 POINT I/O 5V DC and 24V DC Very High Speed Counter Module
Publication 1734-IN003H-EN-E - December 2018
Install the Removable Terminal Block
A Removable Terminal Block (RTB) is supplied with your wiring base assembly. To
remove, pull up on the RTB handle. This allows the mounting base to be removed and
replaced as necessary without removing any of the wiring. To reinsert the Removable
Terminal Block, proceed as follows.
1. Insert the end opposite the handle into the base unit.
This end has a curved section that engages with the wiring base.
2. Rotate the terminal block into the wiring base until it locks itself in place.
3. If an I/O module is installed, snap the RTB handle into place on the module.
WARNING: When you connect or disconnect the Removable Terminal Block
(RTB) with field side power applied, an electrical arc can occur. This could cause
an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
Module
Status
Network
Status
NODE:
0
1
2
3
Hook the RTB end into the
mounting base end, and
rotate until it locks into place.

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 13
Publication 1734-IN003H-EN-E - December 2018
WARNING: For 1734-RTBS and 1734-RTB3S, to latch and unlatch the wire,
insert a bladed screwdriver (catalog number 1492-N90 – 3 mm diameter blade)
into the opening at approximately 73° (blade surface is parallel with top surface
of the opening) and push up gently.
73° 85°

14 POINT I/O 5V DC and 24V DC Very High Speed Counter Module
Publication 1734-IN003H-EN-E - December 2018
Remove a Mounting Base
To remove a mounting base, you must remove any installed module, and the module
installed in the base to the right. Remove the removable terminal block, if wired.
1. Unlatch the RTB handle on the I/O module.
2. Pull on the RTB handle to remove the removable terminal block.
3. Press on the module lock on the top of the module.
4. Pull on the I/O module to remove from the base.
5. Repeat steps 1, 2, 3, and 4 for the module to the right.
6. Use a small bladed screwdriver to rotate the orange base locking screw to a vertical
position.
This releases the locking mechanism.
7. Lift straight up to remove.
WARNING: When you insert or remove the module while backplane power is
on, an electrical arc can occur. This could cause an explosion in hazardous
location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
Repeated electrical arcing causes excessive wear to contacts on both the
module and its mating connector. Worn contacts may create electrical
resistance that can affect module operation.
WARNING: When you connect or disconnect the Removable Terminal Block
(RTB) with field side power applied, an electrical arc can occur. This could cause
an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 15
Publication 1734-IN003H-EN-E - December 2018
Wire the Module
POINT I/O VHSC Module
WARNING: If you connect or disconnect wiring while the field-side power is
on, an electrical arc can occur. This could cause an explosion in hazardous
location installations. Be sure that power is removed or the area is
nonhazardous before proceeding.
-Vaux
Chassis
ground
RET 0 RET 1
+Vaux
+Vaux
Chassis
ground
-Vaux
Input Aret
Input Bret
Input Zret
Out 1
Input A
Input B
Input Z
Out 0
Aret
A1
0
Bret
B
3
2
Zret
Z5
4
Out 1
Out 0 7
6
Chas
gnd
Chas
gnd
1
0
RET 1
RET 0
3
2
-Vaux
-Vaux
5
4
+Vaux
+Vaux
7
6
Module 1 Module 2 Module 1
Terminations
Module 2
Terminations
0 A 0 Chassis ground
1A
ret 1 Chassis ground
2 B 2 Out 0 RET
3B
ret 3 Out 1 RET
4Z 4V
aux -
5Z
ret 5V aux -
6 Out 0 6 Vaux +
7 Out 1 7 Vaux +

16 POINT I/O 5V DC and 24V DC Very High Speed Counter Module
Publication 1734-IN003H-EN-E - December 2018
Communicate with the Module
POINT I/O modules send (consume) and receive (produce) I/O data (messages). You
map these data onto the processor’s memory.
These modules produce 6 or 10 Bytes of input data (scanner Rx) and fault status data.
These modules consume 2 or 4 bytes of I/O data (scanner Tx).
Set parameter 25 to zero to re-enable parameter 4, active output.
When you send a configuration to the module, you check it for consistency before
applying it.
Monitor this PE bit with your user program to isolate any problems with an improperly
configured module. If the configuration is acceptable, the counter ASIC is disabled while
the ASIC is loaded with new operational parameters. Outputs can turn off during this
reconfiguration.
Use Parameter To Select Assembly For Data
23 and 24 101, 102, or 103 Produced
25 105, 106, or 107 Consumed
Default Data Map
Message size: 6 or 10 Bytes
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Produces
(scanner Rx) Channel 0 value of present counter state (LSW)
Channel 0 value of present counter state (MSW)
PE EF NR 0 FS FS OS OS 0 ZS BS AS C1 C0 ZD 0
Where: LSW = Least significant word
MSW = Most significant word
PE = Programming error
EF = EEPROM fault status
NR = Not ready status bit
FS = Output fault status bit – bit 10 for output 0, bit 11 for output 1
OS = Output on/off status bit – bit 8 for output 0, bit 9 for output 1
ZS = Z input status
BS = B input status
AS = A input status
C = Stored data count
ZD = Zero frequency detected

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 17
Publication 1734-IN003H-EN-E - December 2018
Message size: 2 or 4 Bytes
08...15 0706050403020100
Consumes
(scanner Tx) 0 00000VRCPCR
0 DSES0EF0DSES0EF0
Where: VR = Value reset of stored/accumulated count
CP = Counter preset
CR = Counter reset
DS = Diagnostic speed
ES = Electronic fuse select
OE = Output enable
FO = Force output
Module Configuration
Parameter Set/Get Description Bytes
1 Set/Get Counter configuration 1
2 Set/Get Filter selection 1
3 Set/Get Decimal position 1
4 Set/Get Active output assembly 1
5 Set/Get Time base value 2
6 Set/Get Gate interval 1
7 Set/Get Channel scalar 1
8 Set/Get Output 0 ties 1
9 Set/Get Output 1 ties 1
10 Set/Get Channel rollover value 4
11 Set/Get Channel preset value 4
12 Set/Get ON value 1 4
13 Set/Get OFF value 1 4
14 Set/Get ON value 2 4
15 Set/Get OFF value 2 4
16 Set/Get ON value 3 4
17 Set/Get OFF value 3 4
18 Set/Get ON value 4 4
19 Set/Get OFF value 4 4
20 Set/Get PWM safe state value 2
21 Set/Get Counter control safe state 1
22 Set/Get Output control safe state 1
23 Set/Get Requested poll produce assembly 1
24 Set/Get Requested COS produce assembly 1
25 Set/Get Requested poll consume assembly 1

18 POINT I/O 5V DC and 24V DC Very High Speed Counter Module
Publication 1734-IN003H-EN-E - December 2018
Counter Configuration
07 06 05 04 03 02 01 00 Counter 0
ZI MD CF
0000Counter
0001Encoder X1
0010Encoder X2
0011PWM
0100Encoder X4
0101Period/Rate
0110Continuous/Rate
0111Ratemeasurement
1000Pulsegenerator
0 0 0 Store count disabled
0 0 1 Mode 1 – store/continue
0 1 0 Mode 2 – store/wait/resume
0 1 1 Mode 3 – store, reset/wait/start
1 0 0 Mode 4 – store, reset/start
101 Reserved
110 Reserved
1000Pulsegenerator
0 0 0 Store count disabled
0 0 1 Mode 1 – store/continue
0 1 0 Mode 2 – store/wait/resume
0 1 1 Mode 3 – store, reset/wait/start
1 0 0 Mode 4 – store, reset/start
101 Reserved
110 Reserved
111 Reserved
0 Z input – 0 = not inverted
1 Z input – 1 = inverted

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 19
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The module uses several words to communicate real-time input and output data as well as
non-real-time module information (for example, description, and revision) and
configuration. The table shows the words you can exchange. You can read (get) or
write (set) data using an Explicit Message.
Filter Selection
07 06 05 04 03 02 01 00 0
0 ZFBFAFFS
0000Nofilter
000150kHz(10μs + 0 μs/-1.6 μs)
00105kHz(100μs + 0 μs/-13.2 μs)
0100500Hz(1.0ms+0ms/-125μs)
100050Hz(10ms+0ms/-1.25ms)
0 A input not filtered
1 A input filtered
0 B input not filtered
1 B input filtered
0 Z input not filtered
1 Z input filtered
Assumes a 50% duty cycle signal.
Scalar Selection
07 06 05 04 03 02 01 00 Scalar(1)
00000001Z–F
min = 0.149 Hz
00000010Z/2–F
min = 0.298 Hz
00000100Z/4–F
min = 0.596 Hz
00001000Z/8–F
min = 1.192 Hz
00010000Z/16–F
min = 2.384 Hz
00100000Z/32–F
min = 4.768 Hz
01000000Z/64–F
min = 9.537 Hz
10000000Z/128–F
min = 19.073 Hz
1 B input filtered
0 Z input not filtered
1 Z input filtered
(1) Where Fmin indicates the frequency at which the zero frequency detect is asserted due to counter overflow.

20 POINT I/O 5V DC and 24V DC Very High Speed Counter Module
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Assemblies
Instances
(Dec/Hex)
Services Field Bytes
#101 (0x65) Get Present channel data 4
Status 2
#102 (0x66) Get Stored channel data 4
Status 2
#103 (0x67) Get Present channel data 4
Stored channel data 4
Status 2
#104 (0x68) Get Programming error code 2
#105 (0x69) Set/Get Counter control 1
Output control 1
#106 (0x6a) Set/Get PWM value 2
#107 (0x6b) Set/Get PWM value 2
Counter control 1
Output control 1
#108 (0x6c) Set/Get Counter configuration 1
Filter selection 1
Decimal position 1
Active output assembly 1
Time base or PWM period 2
Gate interval 1
Scalar 1
Output 0 ties 1
Output 1 ties 1
Rollover value 4
Preset value 4
ON value #1 4
OFF value #1 4
ON value #2 4
OFF value #2 4
ON value #3 4