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A4
Digital Amplifi er
Hardware Version 3.0
Firmware Version 1.3 (starts w/SN 306179)
Publication Date: 01/28/2020
www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo
TECHNICAL MANUAL
Need help installing?
207-856-2501 / 800-226-8710
+86-21-52188010
+45 75 57 27 11
+49 (0)511 760 691 41
www.montalvo.com
1947
.
EST
FIRMWARE
VERSION
1.3
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Summary of Contents for Montalvo A4
- Page 1 +45 75 57 27 11 +49 (0)511 760 691 41 www.montalvo.com FIRMWARE Digital Amplifi er VERSION Hardware Version 3.0 Firmware Version 1.3 (starts w/SN 306179) Publication Date: 01/28/2020 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo...
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Page 2: Table Of Contents
Digital Amplifi er Utility Overview ....................14 Downloading / Installation ...............15 Screen Descriptions ................16 Calibration ....................26 Password ....................26 Filtering ....................26 Troubleshooting Software ....................27 Hardware ....................27 1947 p. 2 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo... -
Page 3: Specifications
Not Critical Temperature-Operating +14 to +122ºF (-10 to +50ºC) Temperature-Storage +14 to +176ºF (-10 to +80ºC) Humidity <95% Non-Condensing Degree of Protection IP20 (IEC 529) 1947 p. 3 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo... -
Page 4: Installation
2 Mount the A4 to a standard 35mm DIN rail section (EN-50035). 3 Ground the A4 using either terminal 11 or 14. 4 If the A4 is to be used in conjunction with PC for setup and monitoring, make sure to provide cable/plug access to the USB port which is located on the top. -
Page 5: Connecting Power Supply
2 Make sure to provide current overload protection. Connecting Signal Output 1 Connect meters such as Montalvo’s analog M4, digital meters or a PLC to OUTPUT terminals 7 thru 10 as desired. Note: Depending on the load cells used, the Left (terminal 9) and the Right (terminal 10) outputs may not be available. -
Page 6: Connecting Load Cells
Black (BK) Black (BK) Black (BK) Blue (BU) Green (GN) DRC load cells are standard as Full bridge with Half bridge as an option. 1947 p. 6 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo... -
Page 7: Single Full Bridge Semiconductor Strain Gauge Load Cells
4 pin connector 6 pin connector 3 pin connector Brown (BN) Red (RD) White (WH) White (WH) Black (BK) Black (BK) Blue (BU) Green (GN) 1947 p. 7 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo... -
Page 8: Single Half Bridge Semiconductor Strain Gauge Load Cells
Black (BK) Black (BK) Black (BK) Blue (BU) Green (GN) DRC load cells are standard as Full bridge with Half bridge as an option. 1947 p. 8 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo... -
Page 9: Dual Full Bridge Foil Gauge Load Cells
Wiring for Montalvo LP Series Load Cells • Dual Full Bridge Foil Gauge load cells • Montalvo LP Full Bridge Foil Gauge load cells require A4 Amplifi er #11000859 • A4 is not compatible with Dual Full Bridge Semiconductor Stain Gauge load cells... -
Page 10: Calibration (Fi Rmware V1.3 - Starts W/ Sn 306179)
This is done to counteract friction forces on the rope from the rollers, which will cause inaccurate readings. 4 Press and hold the CAL button on the A4 until the LED above it fl ashes green. Alternatively, the windows app can be used to set the full scale. -
Page 11: Keypad Lockout (Fi Rmware V1.3 - Starts W/ Sn 306179)
Technical Manual Introduction The A4 has a feature which allows for the keypad of the A4 to be locked out in order to keep calibration values from being mistakenly changed. When the keypad is in lockout mode, the LEDs on the face of the amplifi er will fl ash green whenever a button is pushed. -
Page 12: Blinking Codes (Fi Rmware V1.3 - Starts W/ Sn 306179)
If the error does not reset itself within a few seconds, it is recommended to recalibrate the A4 for a wider max./min. range. Center LED blinks RED 2 times every 2 seconds Out of range on terminal 5 load cell - The tension reading for the load cell connected to terminal 5 is not within the max./min. - Page 13 To lock out the keypad, hold down both of the buttons on the face of the A4 for 5 seconds. After the blink pattern fi nishes, pressing either of the buttons will have no effect until the lockout condition is turned off.
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Page 14: Digital Amplifier Utility
Technical Manual Overview Montalvo’s Digital Amplifi er Utility is a free app to assist in performing important tasks at setup and during operation and provides critical feedback for optimum productivity. Utilize the integrated USB port to connect the A4 directly to a computer to remotely calibrate and graphically monitor both raw inputs from the load cells and amplifi er outputs. -
Page 15: Downloading / Installation
__ ___________________________________________________________________________________ Technical Manual Download / Installation 1 Connect the A4 amplifi er to a 24 VDC power supply at pins 12 (+24V) and 13 (0V). 2 Connect the A4 to a PC using a USB cable. 3 Navigate to the location on the C drive where the A4 software is located. -
Page 16: Screen Descriptions
Technical Manual Monitor Window This window is used to monitor the current status of the A4. It graphs the output channels of the device as well as displaying details about the connected A4’s fi rmware revision, sensor type and serial number. - Page 17 DIGITAL AMPLIFIER UTILITY A4 Digital Amplifi er __ ___________________________________________________________________________________ Technical Manual Monitor Tab 1 Re-Discover 2 About 3 Keypad Lock 4 Activate 1947 p. 17 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo...
- Page 18 Deadband The deadband in the A4 is used to fi lter out noise on an idle roll. Essentially, it will treat any signal below the set percentage as though it were 0. It is important to keep the deadband value set low, particularly for signals that might not be particularly large to begin with.
- Page 19 DIGITAL AMPLIFIER UTILITY A4 Digital Amplifi er __ ___________________________________________________________________________________ Technical Manual Confi guration Tab 1 Serial Number 2 Read Values 3 Set Values 1947 p. 19 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo...
- Page 20 Calibration / Full Scale. The user can calibrate the A4 either using the GUI or the buttons on the face of the A4. Using the GUI allows for a few more options in setting up the calibration, but works in the same manner otherwise.
- Page 21 __ ___________________________________________________________________________________ Technical Manual Sensor Calibration Tab 2 Save Calibration Parameters 1 Cal Units 3 Set Defaults 4 Apply Zero 5 Apply Full Scale 1947 p. 21 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo...
- Page 22 To unlock this tab, the password must be entered on the ‘Monitor’ tab. When this tab is selected, the A4 is put into a special operation mode where the output from the device is set to either the zero point or full scale point. This means that this tab should not be selected while the device is in operation as it will no longer be transmitting the signal from the load cells.
- Page 23 A4 Digital Amplifi er __ ___________________________________________________________________________________ Technical Manual Analog Output Calibration Tab 2 Adjust Outputs 1 Channel 3 Save Cal Data 4 Use Defaults 1947 p. 23 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo...
- Page 24 Alerts Window The Alerts window will report any errors encountered while the application is trying to communicate with the A4. It does not currently report any errors that result in a blink code on the LED of the A4. Key Elements 1 Error output window.
- Page 25 DIGITAL AMPLIFIER UTILITY A4 Digital Amplifi er __ ___________________________________________________________________________________ Technical Manual Alerts Tab 1 Error Output 2 Clear Alerts 3 Re-Discover 1947 p. 25 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo...
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Page 26: Calibration
Technical Manual Analog Output The analog outputs on the A4 can be adjusted to ensure that a full scale weight outputs precisely 10V and the zero point weight outputs precisely 0V. There are four output channels on the A4 that can be calibrated:... -
Page 27: Troubleshooting
• Make sure that Windows is properly detecting the A4 when it is connected to the PC. It should display in the device manager as a USBExpress device. The fi rst time the A4 is connected to an PC, allow some time for Windows to download the correct drivers for the device. - Page 28 Tel: +45 75 57 27 11 info.eu@montalvo.com Montalvo Deutschland Hannover, Germany Tel: +49 (0)511 760 691 41 info.de@montalvo.com Montalvo (Shanghai) Trading Co., Ltd. Shanghai, China Tel: +86-21-52188010 info.cn@montalvo.com 1947 www.montalvo.com / Technical details subject to change without notice. A4-technical manual-US © Montalvo...
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