Phoenix Contact AXL F CNT2 INC2 1F User manual

User manual
Axioline F function module,
2 counter inputs,
2 incremental encoder inputs

2019-05-15
PHOENIX CONTACT GmbH & Co. KG • Flachsmarktstraße 8 • 32825 Blomberg • Germany
phoenixcontact.com
8111_en_05
Axioline F function module, 2 counter inputs, 2 incremental en-
coder inputs
Designation Version Order No.
Product designation Hardware version 03 or later
Firmware version 1.20 or later
2688093
AXL F CNT2 INC2 XC 1F Hardware version 00 or later
Firmware version 1.20 or later
2701239
User manual
This user manual is valid for:
UM EN AXL F CNT2 INC2 1F, Revision 05

8111_en_05 PHOENIX CONTACT 3 / 54
Table of contents
1 For your safety ............................................................................................................................5
1.1 Labeling of warning notes......................................................................................5
1.2 Qualification of users .............................................................................................5
1.3 Product changes....................................................................................................5
2 Function description of the module .............................................................................................6
2.1 General functions ..................................................................................................6
2.2 Features of the channels .......................................................................................7
2.2.1 CNT channels ........................................................................................7
2.2.2 INC channels .........................................................................................7
2.3 Maximum input frequencies...................................................................................8
2.4 Counter channel functions .....................................................................................9
2.4.1 Counting functions .................................................................................9
2.4.2 Counting depending on the position of the start value ..........................10
2.4.3 Counting control ...................................................................................12
2.4.4 Functions of the gate inputs (G1, G2) ...................................................13
2.4.5 Functions of the direction/stop inputs (Dir1, Dir2) ................................14
2.5 Functions of the incremental encoder channels...................................................15
2.5.1 Position detection .................................................................................15
2.5.2 Exceeding the position value with linear axes ......................................16
2.5.3 Encoder monitoring ..............................................................................16
2.5.4 Referencing .........................................................................................17
2.5.5 Latch function .......................................................................................21
2.6 Output control ......................................................................................................22
3 Data transmission via process data ..........................................................................................23
3.1 OUT process data ...............................................................................................23
3.2 IN process data ...................................................................................................25
4 Parameter, diagnostics and information....................................................................................28
4.1 Standard objects .................................................................................................29
4.1.1 Objects for identification (device rating plate) ......................................29
4.1.2 Object for multilingual capacity ............................................................30
4.1.3 Object descriptions ..............................................................................31
4.1.4 Objects for diagnostics .........................................................................31
4.1.5 Objects for process data management ................................................34
4.1.6 Controlling the process data via the PDI channel .................................36
4.1.7 Objects for device management ..........................................................37
4.2 Application objects ..............................................................................................38
4.2.1 Parameter table (0080hex: ParaTable) .................................................38
4.2.2 CNT limit values (0090hex: LimitValuesCNT) .......................................44
4.2.3 Latch values of INC object (0091hex: LatchValuesINCIN) ....................45

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5 Example: Counting goods.........................................................................................................46
A Appendix: Axis types and gear ratios........................................................................................49
A 1 Axis types ........................................................................................................... 49
A 2 Gear ratio............................................................................................................ 50
B Appendix: Revision history .......................................................................................................51

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1 For your safety
Read this user manual carefully and keep it for future reference.
1.1 Labeling of warning notes
1.2 Qualification of users
The use of products described in this user manual is oriented exclusively to:
– Qualified electricians or persons instructed by them. The users must be familiar with the
relevant safety concepts of automation technology as well as applicable standards and
other regulations.
– Qualified application programmers and software engineers. The users must be familiar
with the relevant safety concepts of automation technology as well as applicable
standards and other regulations.
1.3 Product changes
Changes or modifications to hardware and software of the device are not permitted.
Incorrect operation or modifications to the device can endanger your safety or damage the
device. Do not repair the device yourself. If the device is defective, please contact
Phoenix Contact.
This symbol indicates hazards that could lead to personal injury.
There are three signal words indicating the severity of a potential injury.
DANGER
Indicates a hazard with a high risk level. If this hazardous situation is not
avoided, it will result in death or serious injury.
WARNING
Indicates a hazard with a medium risk level. If this hazardous situation is not
avoided, it could result in death or serious injury.
CAUTION
Indicates a hazard with a low risk level. If this hazardous situation is not avoided,
it could result in minor or moderate injury.
This symbol together with the NOTE signal word alerts the reader to a situation
which may cause damage or malfunction to the device, hardware/software, or
surrounding property.
Here you will find additional information or detailed sources of information.

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2 Function description of the module
2.1 General functions
AXL F CNT2 INC2 1F / AXL F CNT2 INC2 XC 1F
The module is designed for use within an Axioline F station. It is used to acquire digital input
signals.
The module consists of two counter inputs (CNT) and two incremental encoder inputs
(INC). In addition, it has two digital outputs (Out1/2) which can be controlled either over a
CNT channel or an INC channel or, as an alternative, using process data.
The module has inputs which can be used to perform the following functions:
– Controlling the counting: gate inputs G1, G2,
– Changing the counting direction or stopping the counting process: direction/stop inputs
Dir1, Dir2
– Latching specific values: latch inputs L1, L2
– Referencing: reference inputs Ref1, Ref2
As an option, these inputs can be used as digital inputs, for instance, to connect limit
switches.
You can start up the module with the default parameterization without having to
parameterize it. In this case the INC channels are deactivated.
But you can also parameterize the channels with the engineering tool or with the PDI object
0080hex. The new parameterization is stored retentively. Thus, it will still be available after a
voltage reset.
AXL F CNT2 INC2 XC 1F
Thanks to special engineering measures and tests, the module can be used under extreme
ambient conditions (see module-specific data sheet).
Please refer to the module’s data sheet for the technical data of the module including the
terminal point assignment and meaning of the diagnostic and status indicators.
It can be downloaded at phoenixcontact.net/products.
When the module is reparameterized, all channels will be stopped and then
reparameterized. All channels will always be reinitialized, even if you have changed only
one channel.

Function description of the module
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2.2 Features of the channels
2.2.1 CNT channels
– Detecting digital input signals with an input frequency of up to 300 kHz (one channel
wired) or 100 kHz (more than one channel wired)
– Counting the digital input signals with a 32-bit counter (up and down)
– Controlling the counting via a control input (gate) or starting and stopping the counting
via process data
– Output control according to two limit values
– Single or periodic counting is possible
– Starting the counting process via the gate signal and stopping the counting via a
separate input (direction/stop input)
– Specifying the counting direction via an external input or via process data
– Specifying a start value and an upper or lower limit is possible. The start value is loaded
when the channel is restarted or reset.
2.2.2 INC channels
– Detecting digital signals of symmetrical or asymmetrical incremental encoders (5 V or
24 V) with an input frequency of up to 300 kHz (one channel wired) or 100 kHz (more
than one channel wired)
– Position detection with a 32-bit counter
– Double or quadruple evaluation of encoder signals
– Evaluating linear or rotary axes (determining the direction of rotation or motion)
– Storing of up to two intermediate values via an external input signal (latch input Lx)
– Detecting an overflow or underflow with linear axes
– Output control according to two limit values
– Various methods to set a reference point
– Monitoring the increments by evaluating the Z signal of the encoder, in order to
determine an error of the encoder
– Hardware monitoring of the encoders
– Monitoring of the encoder supply
– Open circuit detection
– Detecting faulty electrical signals with symmetrical encoders

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2.3 Maximum input frequencies
The maximum input frequency that can be used for operation depends on the wiring of the
channels and whether the Z signal, in the case of a linear axis, is to be monitored via the
firmware or not.
Table 2-1 Maximum input frequencies
Condition Maximum frequency
One channel wired 300 kHz
More than one channel wired 100 kHz
Z signal monitoring via the firmware 100 kHz

Function description of the module
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2.4 Counter channel functions
The two counter channels (CNT) acquire and process digital input signals with a maximum
input frequency of up to 300 kHz (one channel wired) or 100 kHz (more than one channel
wired).
The two channels have the same structure and the same functions.
Each of the channels has a counter input (source), a control input (gate) and a direction/stop
input (Dir/Stop).
The control and the direction/stop inputs can be used as digital inputs if they are not used
directly by the channel. The status of the inputs is mapped to the process data, no matter
whether they are used by the CNT channel or not.
There is an additional output available which can be controlled according to the
parameterization (see Section “Output control” on page 22).
2.4.1 Counting functions
The digital input pulses at the counter input (S1/S2) are counted. Depending on the
parameterization, the counter direction is either specified by the controller or by the direction
input.
The following values must be defined during parameterization:
– Start value
The start value is loaded when the channel is restarted or reset.
The start value may be any value in the possible counting range of the 32-bit counter.
– Limit values: lower and upper limit
The lower limit must always have a smaller value than the upper limit.
During operation you can change the limit values online via the process data. These
changes are not stored retentively.
How to make changes via process data, see Section “OUT process data” on page 23,
SetNewLimitsx bit.
– Type of counting: single or periodic
Single counting means that the counter counts once from the start value to the upper
or lower limit.
Periodic counting means that the counter counts periodically between the upper and
lower limit. Once a limit is reached, counting continues further from the other limit.
– Output behavior
When one or both limits are reached, an output can be controlled according to the
parameterization (see Section “Output control” on page 22).

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2.4.2 Counting depending on the position of the start value
Example 1: Start value between the lower and upper limits
If the start values is between the lower and upper limits, the counter value is also between
these limits.
Figure 2-1 Counting with a start value between the limits
Example 2: Start value outside the lower and upper limits
If the start value is outside the lower and upper limits, it is possible to count in both
directions. If one of the maximum limits (0000 0000hex or FFFF FFFFhex) is exceeded, the
counting continues further from the other maximum limit (see example 2b). If the counter
value is then between the lower and upper limits, the counting continues between these
limits according to the parameterization and the counter status does not leave these limits.
Example 2a
Figure 2-2 Counting with a start value outside the lower and upper limits without
reaching the maximum limits
MIN Lower limit
MAX Upper limit
Start Start value
1a Positive counting direction
1b Negative counting direction
2 Counting between the lower and upper limits
MIN Lower limit
MAX Upper limit
Start Start value
1a Start value below the lower limit; positive counting direction
1b Start value above the upper limit; negative counting direction
2 Counting between the lower and upper limits
FFFF FFFFhex
0000 0000hex MIN MAX
Start
1a
1b
81110010
2
FFFF FFFFhex
0000 0000hex
MIN MAX
Start
1a 1b
81110011
2
Start
1a 1b

Function description of the module
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Example 2b
Figure 2-3 Counting with a start value outside the lower and upper limits and reaching
the maximum limits
MIN Lower limit
MAX Upper limit
Start Start value
1a Start value below the lower limit; negative counting direction
1b Start value above the upper limit; negative counting direction
2 Counting until the opposite maximum limit is reached
3 Counting between the lower and upper limits
81110012
0000 0000hex
0000 0000hex
FFFF FFFFhex
FFFF FFFFhex
Start
Start
2
2
3
3
MIN MAX
MIN MAX
1a
1b

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2.4.3 Counting control
You can control the counting using process data bits, the gate input and the direction and
stop input.
Bits in the process data The StopCNTx, StartCNTx and DirCNTx control bits are available for controlling the
counting by the controller.
The bit for stopping the counter is dominant in the StopCNTx and StartCNTx control bits. If
the counting is stopped, only the counter is stopped. In this case, the current counter status
is not cleared. The ResetCNTx reset bit must be set, if the counter status is to be reset for
the current parameterization. See also Section “OUT process data” on page 23.
Gate input If you use the gate input, the module waits for a valid gate condition after a successful
parameterization. The counter is started after the gate condition is fulfilled. See also Section
“Functions of the gate inputs (G1, G2)” on page 13.
Direction/stop input If you use the direction/stop input, you can change the counting direction or stop the
counting process depending on the parameterization. See also Section “Functions of the
direction/stop inputs (Dir1, Dir2)” on page 14.

Function description of the module
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2.4.4 Functions of the gate inputs (G1, G2)
You can use the gate input to control the counting of the source input signals by an external
signal.
The counting functions with regard to the limits described above are maintained.
You can parameterize the gate input with the engineering tool or object 0080hex as follows:
Table 2-2 Gate functions
Name Meaning
Off The gate input has no function.
Counting at high level The counting process is started with a high level at the gate input and stopped at a low
level. The current counter status is maintained.
Counting at low level The counting process is started with a low level at the gate input and stopped at a high
level. The current counter status is maintained.
Start on rising edge The counting process is started with the first detected rising edge of the gate signal. It
cannot be stopped by the gate signal. If the counter is stopped either by the controller or
the stop input, it will be restarted on the next rising edge.
Start on falling edge The counting process is started with the first detected falling edge of the gate signal. It
cannot be stopped by the gate signal. If the counter is stopped either by the controller or
the stop input, it will be restarted on the next falling edge.
Counting at high level and
resetting the counter on a
rising edge
The counting process is started on a rising edge and stopped on the next falling edge. The
counter is reset on the next rising edge of the gate signal. Depending on the current
counting direction, the upper (counting downwards) or the lower (counting upwards) limit
is loaded into the counter as the counter status.
Counting at low level and
resetting the counter on a
falling edge
The counting process is started on a falling edge and stopped on the next rising edge. The
counter is reset on the next falling edge of the gate signal. Depending on the current
counting direction, the upper (counting downwards) or the lower (counting upwards) limit
is loaded into the counter as the counter status.
If you control the counting process via the gate inputs, you can no longer control it via the
process data (StartCNTx and StopCNTx bits).
In this case you can use the gate input as a normal digital input. The status is mapped to
the IN process data word 0 in bit 2 GateCNT2 or bit 10 GateCNT1.
In this case the counter can be controlled via the process data (StartCNTx and
StopCNTx bits).

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2.4.5 Functions of the direction/stop inputs (Dir1, Dir2)
Depending on the parameterization you can use the direction/stop input to change the
direction of counting or to stop the counting process.
You can parameterize the input with the engineering tool or with object 0080hex as follows:
Table 2-3 Functions of the direction/stop input
Name Description
Off The direction/stop input has no function.
Changing the direction on a
rising edge (starting direction
is upwards)
Counting starts with the positive counting direction.
The counting direction is changed on a rising edge of the signal.
Changing the direction on a
rising edge (starting direction
is downwards)
Counting starts with the negative counting direction.
The counting direction is changed on a rising edge of the signal.
Changing the direction on a
falling edge (starting direction
is upwards)
Counting starts with the positive counting direction.
The counting direction is changed on a falling edge of the signal.
Changing the direction on a
falling edge (starting direction
is downwards)
Counting starts with the negative counting direction.
The counting direction is changed on a falling edge of the signal.
Counting upwards at high level When the direction signal is on a high level the counter counts upwards, and when it is on
a low level it counts downwards.
Counting upwards at low level When the direction signal is on a low level the counter counts upwards, and when it is on
a high level it counts downwards.
Stop on rising edge The counter is stopped on the rising edge of the input signal.
Stop on falling edge The counter is stopped on the falling edge of the input signal.
If you control the counting direction via the direction/stop inputs, you can no longer change
it via the process data (DirCNTx bit).
If an input has been parameterized as a stop input, then the counter can no longer be
stopped via the process data (StopCNTx bit).
In this case you can use the direction/stop input as a normal digital input. The status is
mapped to the IN process data word 0 in bit 1 DirCNT2 or bit 9 DirCNT1.
In this case the counter can be controlled via the process data (StartCNTx and
StopCNTx bits).

Function description of the module
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2.5 Functions of the incremental encoder channels
The two incremental encoder channels (INC) are used to evaluate signals of symmetrical or
asymmetrical incremental encoders with a maximum input frequency of 300 kHz (one
channel wired) or 100 kHz (more than one channel wired).
Each of the channels has a 32-bit counter to detect a position.
Each channel has its own digital input for referencing (Ref1, Ref2).
An external signal can be used to store signal values specifically. For this, each INC channel
has a latch input (L1, L2).
You can use the latch inputs (Lx) and the reference inputs (Refx) as digital inputs, since the
status of these inputs is mapped to the process data, no matter whether they are used as
latch or reference inputs or not.
2.5.1 Position detection
Specify the following parameters when your parameterize the channels (engineering tool or
object 0080hex):
– How the two inputs signals A and B are scanned (BasicConfig variable, evaluation)
– Double: the positive edges of A and B are detected
– Quadruple: both edges of both signals are detected
In this way you can vary the accuracy and the maximum path that can be detected.
– Type of axis (BasicConfig variable, axis type)
– Rotary axis
With rotary axes positioning takes place between zero and the modulo value that
can be parameterized (object, ModuloVal variable). In a positive direction of
rotation the position is set to zero after the modulo value-1, and in negative
direction of rotation after the value 0 to the modulo value-1. There is no position
value overflow in this mode. The modulo value can be a position value from
0000 0001hex to FFFF FFFFhex.
– Linear axis
With linear axes positioning takes place without limits and the position value
increments or decrements between 0000 0000hex and the maximum value
FFFF FFFFhex. An error is reported to the controller if there is a position value
overflow (see Section “Exceeding the position value with linear axes” on page 16).
– Conversion factor (ConvFact variable)
This factor can be used to specify values which are parameterized or returned in
relation to a measuring unit, for example.
Relate all default values to this conversion factor.
– Two limit values (1LimitValOut, 2LimitValOut variables)
An output is controlled according to the parameterization when the limit value is
reached (see Section “Output control” on page 22).
For rotary axes both limit values must not be larger than the modulo value.
The direction of travel or motion is determined by the phase shift of the two signals A and B,
and the position is incremented or decremented accordingly. The direction of travel or
motion cannot be manipulated by the controller.

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2.5.2 Exceeding the position value with linear axes
After axis referencing has been completed, a warning is signaled to the controller when the
minimum position (0) is fallen below or the maximum position (232-1) is exceeded (8910hex,
8920hex; see Section “Diagnostic state (0018hex: DiagState)” on page 32).
The position is still being detected and the ErrorINCx bit of the respective channel is set.
Should the direction of travel be changed after an underflow and the position value again
exceeds the underflow limit, the error bit will be reset and a removed error is reported. The
same is true for an overflow.
2.5.3 Encoder monitoring
Monitoring by firmware
Monitoring of the encoder is only possible if the following conditions are met:
– Linear axis
– Encoder with Z signal
– Only one channel is operated, i.e. no further INC channel and no CNT channel.
– The maximum input frequency is 100 kHz.
During the encoder monitoring the module checks the correct encoder functioning using the
Z signal. It is also checked whether the detected encoder increment value between two
Z pulses corresponds to the default value or whether a Z occurs again after the
parameterized encoder increment value.
For the encoder monitoring you have to enter the encoder increment value (number of
increments per revolution).
The monitoring of the encoder increment value has a tolerance of ±3 pulses. This tolerance
is caused by software runtimes.
An error is indicated by:
– The red “Encoder error (03/07)” LED of the channel is ON.
– The red “I/O error (E)” LED of the module is ON.
– The EncSurvINCx bit of the channel is set.
– Diagnostic message to the controller (7305hex; see Section “Diagnostic state (0018hex:
DiagState)” on page 32).
As soon as the Z signal error is no longer detected, the LEDs as well as the process data bit
are reset and a removed error is reported.
As long as the axis has not been referenced, there will be no indication that the value has
fallen below the minimum position or exceeded the maximum position.

Function description of the module
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Monitoring by hardware
The encoders are usually monitored by hardware. The hardware monitors the encoder
supply, detects open circuits, and faulty electrical signals with symmetrical encoders.
An error is indicated by:
– The red “Encoder error (03/07)” LED of the channel is ON.
– The red “I/O error (E)” LED of the module is ON.
– The EncSurvINCx bit of the channel is set.
– Diagnostic message to the controller (8600hex; see Section “Diagnostic state (0018hex:
DiagState)” on page 32).
2.5.4 Referencing
In order to have a defined reference value for position detection, it is possible to set a
reference point. The parameterized reference value is entered as a position value in the IN
process data at this point. The value range for the reference point is 0000 0000hex to
FFFF FFFFhex. For each channel there is one input for connecting a reference switch (Ref1,
Ref2) available in order to determine the reference point.
You can set the reference point in the engineering tool or in object 0080hex as follows:
Table 2-4 Referencing functions
Function Meaning Example
Direct setting of the reference
point
In this mode, the reference point is set immediately in the process data by
the corresponding bit (StateRefINx). The only condition for the direct setting
is that the drive is at rest at the reference position.
Referencing to the rising edge
of the reference signal in the
positive direction of motion
The reference value is taken over as position value, when a rising edge has
been detected at the reference input and the direction of motion is positive.
Figure 2-4
Referencing to the falling edge
of the reference signal in the
positive direction of motion
The reference value is taken over as position value, when a falling edge has
been detected at the reference input and the direction of motion is positive.
Referencing to the rising edge
of the reference signal in the
negative direction of motion
The reference value is taken over as position value, when a rising edge has
been detected at the reference input and the direction of motion is negative.
Referencing to the falling edge
of the reference signal in the
negative direction of motion
The reference value is taken over as position value, when a falling edge has
been detected at the reference input and the direction of motion is negative.
Referencing to the rising edge
of the reference signal in the
positive direction of motion
with Z
The reference point is set on the rising edge of the Z signal, after the rising
edge of the reference point signal has been detected and the direction of
motion is positive.
You can specify an offset for detecting a Z signal (see below).
Figure 2-5
Figure 2-6
Referencing to the falling edge
of the reference signal in the
positive direction of motion
with Z
The reference point is set on the rising edge of the Z signal, after the falling
edge of the reference point signal has been detected and the direction of
motion is positive.
You can specify an offset for detecting a Z signal (see below).
Referencing to the rising edge
of the reference signal in the
negative direction of motion
with Z
The reference point is set on the rising edge of the Z signal, after the rising
edge of the reference point signal has been detected and the direction of
motion is negative.
You can specify an offset for detecting a Z signal (see below).

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Offset When you use referencing to Z, you can specify an offset for detecting the Z signal using the
engineering tool or object 0080hex, variable OffsetZRef.
This offset indicates after which number of increments the Z signal detection is enabled.
The current distance between reference signal and Z is transferred with the process data.
Referencing to the falling edge
of the reference signal in the
negative direction of motion
with Z
The reference point is set on the rising edge of the Z signal, after the falling
edge of the reference point signal has been detected and the direction of
motion is negative.
You can specify an offset for detecting a Z signal (see below).
Direct referencing on Z In this mode the reference point is set directly on a rising edge of the Z signal.
Do not change the direction of rotation or motion during the reference
run! It is recommended that you do not stop the axis during the
reference run.
You can specify a gear ratio for rotary axes with object 0080hex, TransmFact
variable, and determine to which Z signal the referencing is to take place
after the start (see Figure 2-7 on page 20).
Figure 2-7
You can use input Ref1/Ref2 as normal digital input if you have selected another
referencing function than “Direct setting of the reference point”. The status is mapped to
IN process data word 1 in bit 6 StateRefIN2 or bit 14 StateRefIN1.
Table 2-4 Referencing functions
Function Meaning Example
The distance between the selected reference edge and the Z signal is shown as long as
the EnableRefx bit is set.

Function description of the module
8111_en_05 PHOENIX CONTACT 19 / 54
Referencing
Key for the following diagrams:
Figure 2-4 Referencing to the rising edge in positive direction
Figure 2-5 Referencing to the rising edge of the reference signal in positive direction of
motion with Z
Figure 2-6 Referencing to the rising edge of the reference signal in positive direction
with Z - with offset
If a certain direction of motion is specified in the function for setting the reference point, no
reference point will be set with an opposite direction of motion even if the reference signal
occurs.
Ref Reference signal
P Positive direction of motion
Z Z signals
R Reference point
P
0000 0000hex
R
81110004
FFFF FFFFhex
Ref
P
ZZZZZZZZ
0000 0000hex
R
81110005
FFFF FFFFhex
Ref
P
ZZZZZZZZ
0000 0000hex
R
81110006
FFFF FFFFhex
Ref Offset

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Figure 2-7 Referencing to Z with gear ratio
Key for Figure 2-7:
When you parameterize the channel, parameterize the reference method and the
parameter values with the engineering tool or object 0080hex. Start referencing using the
process data. Referencing can be started again at any time.
Dir Direction of rotation
Z Z signals
S Starting point
TransmFact Parameterized gear ratio
R Reference point
R
81111007
Dir
S
TransmFact
=4
ZZZZ
Z