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User Guide - ATU
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User Guide ATU v.5.0 Test
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AMO GmbH ATU Test kit
Contents
1 Generalities ...................................................................................................................................... 2
2 Software Installation ........................................................................................................................ 3
3 Hardware ......................................................................................................................................... 4
4 Software Manual .............................................................................................................................. 4
5 Position measurement (ATU-1 and ATU-2) .................................................................................... 5
6 Measuring of signal accuracy (only ATU-2) .................................................................................... 6
7 Functional Reserve (Only BISS/C) .................................................................................................. 7
8 Register operations (ATU-1 and ATU-2) ......................................................................................... 8
User Guide - ATU
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User Guide ATU v.5.0 Test
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1 Generalities
The test kit is used for checking functionality of absolute linear (type LMKA) and rotary
(type WMKA or MHSA) encoders produced by AMO GmbH (http://www.amo-gmbh.com/) with
output interface SSI or BISS C.
Pic.1. ATU-1 connection scheme
Pic.2. ATU-2 connection scheme
Minimal PC requirements:
- Processor: 1GHz;
- RAM: 512 MB;
- Operating system: Windows XP or higher.
Hardware:
- ATU Box (ATU-1 or ATU-2);
- USB cable (ATU to PC);
- Connection cable (ATU-1 to reading head) or 2 connection cables (ATU-2 to Adapter Box and
Adapter Box to reading head);
- Adapter Box (only for ATU-2);
- Power supply unit (12V for ATU-1 or 5V for ATU-2).
ATU
-
1
ATU
-
2
Measurement system
LMKA / WMKA / MHSA
ATU-1
Power supply (12V)
PC
Measurement system
LMKA / WMKA / MHSA
ATU-2
Power supply (5V)
PC
Adapter Box
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ATU-1 Test Kit
ATU-2 Test Kit
2 Software Installation
- Download software from official site of AMO GmbH (http://www.amo-gmbh.com/);
- Launch the file AMO_ATU_Setup to install the complete program;
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3 Hardware
- Check polarity of Power supply unit and connect it to the ATU Box (for ATU-1) or to Adapter Box
(for ATU-2);
- Connect the ATU Box with the PC (USB) and wait until the PC recognized and installed the ATU
Box;
- Connect ATU Box with measuring head using connection scheme (Page 2).
4 Software Manual
- Start the Software with desktop icon or file AMO_ATU.exe in installed folder;
- Select type of ATU Box (ATU-1 or ATU-2);
- Enter the part number for your measurement system and press “Search” button. If the system is
found it will automatically select the right settings
- Click “Connect to device” button.
If connection with ATU Box is set successfully, the button will change colour and name.
User Guide - ATU
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Otherwise you will see a communication error.
5 Position measurement (ATU-1 and ATU-2)
- Check the geometrical mounting conditions (use Mounting Instructions https://www.amo-
gmbh.com/
- If the ATU Box was connected successfully, you can start getting position with click at “Start”
button.
If something goes wrong during measurements, you will see error messages. Please follow the
instructions and try again.
- To stop measurement process click “Stop” button.
- If you need to set “0” position, click “Set current position as “0”” button. The button will change
name to “Reset “0” position” and the value in measurement data field will be set as 0. The value
of “0” position will be saved until you reset it by clicking the same button or close the programm.
- Before closing programm, please break connection with ATU Box by clicking “Device connected”
button.
- If an error occurs the textbox will change colors to red until the error is gone. The “ERROR
Acknowledge” button stays red until you press the button while there are no active errors.
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6 Measuring of signal accuracy (only ATU-2)
- Check the geometrical mounting conditions (use Mounting Instructions http://www.amo-
gmbh.com/
- Before measuring of signal accuracy ensure that you get no error for total measuring distance
using Position measurement function.
- If the ATU Box was connected successfully, you can measure signal accuracy by activating of
“Signal accuracy” window.
The signal deviations can be evaluated by moving the measuring head along the scale (or
measuring flange) with a constant speed.
Setting the speed precision and number of periods
Here you have an opportunity to set measurement speed precision (between 1 and 30%) and
minimal periods quantity for measurement (between 50 and 2100). The precision of evaluation is
higher for uniform speed (e.g. Speed precision below 10%) and longer measuring stroke (e.g.
Minimal periods higher than 70). Try to optimize these two values in order to get higer signal
accuracy value.
Getting a higher speed accuracy score means a higher mounting accuracy according to Mounting
Instructions.
- To start measurement process click “Start” button. If measurement goes correct, you will see
progress field filling.
- After getting valid measurement data, you will see signal accuracy and the speed deviation in the
same-named field.
- To abort measurement process click “Stop” button.
- Before closing programm, please break connection with ATU Box by clicking “Device connected”
button.
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Software and hardware limitations:
- Allowed speed: max.speed = 100 mm/s
min.speed = 𝑐𝑒𝑖𝑙
- If measurement speed is continuously out of allowed range, you will get error message.
7 Functional Reserve (Only BISS/C //// MHSA not supported)
- The Functional Reserve function is an indicator for mounting quality of the measurement system
- Check the geometrical mounting conditions (use Mounting Instructions https://www.amo-
gmbh.com/).
- If the ATU Box was connected successfully, you can start getting functional reserve value with
click at “Start” button.
!! The Functional Reserve value is updated during the movement. After power-on the
Functional Reserve (grey slider thumb) will always be in the middle of the green area
(black markers) till movement is detected by the measurement system. !!
The slider thumb indicates degree of displacement relative to the nominal air gap (black markers).
Area to the right of the black markers indicates mounting over the nominal air gap and area to the
left – mounting under the nominal air gap.
Green area indicates that the system is mounted within the tolerances; red area - mounted out of
them.
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8 Register operations (ATU-1 and ATU-2)
Before changing any register value it is highly recommanded to read the AMO
– ABSYS Interface Description – BiSS/C (https://www.amo-gmbh.com/)
starting with Revision 07 and also please be carefull to the Encode Interface
Revision (Address 0x7D).
Access to the register is possible with ATU-1 and ATU-2 devices.
The ATU Unit must be connected to USB Port and also initialized in the ATU Software (by
pressing the "Connect Device" button).
The ATU Software allows accessing 128 Bytes (0x00 – 0x7F) from the BiSS-C Encoder registers.
"Get Register" button reads all the registers form the current slave.
By double-clicking on a value, the user is able to type a new value for the register. All
values are in hexadecimal.
After changing one or several values use the button "Save to Register" to transmit data to
BiSS-C Encoder/Slave and save them to the Non-Volatile Memory (Flash).
User can update the register values also by writing new values in the String Data text box. String
Data have higher priority, what means that they override values from table. The new values must
be entered in *.mem file format:
o First value (hex in 0x?? format) defines the address
o Next numbers (hex in ?? format) represents the new register values starting with
address from above
Example:
String Data 0x30 0A 09 45 F2 0x70 12
Result Write Adr.0x30←0A, 0x31←09, 0x32←45, 0x33←F2, 0x70←12
Indice
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