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Summary of Contents for Sartorius PMA7500
- Page 1 WPM5003-e98061 Sartorius PMA7500... Electronic Paint Mixing Scales Service Manual for PMA7500... Models incl. Spare Parts List and Service Specifications Sartorius AG, Weighing Technology...
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Page 3: Table Of Contents
Contents Page General Information Overview of Models Differences to former PMA Versions Auxiliary Service Tools and Equipment Accompanying Literature Operating the Scale Function of Keys Scale Operating Menu Accessing the Scale Operating Menu and Changing the Settings Exiting the Scale Operating Menu with or without Storing the New Settings Activating the BPI Mode Calibrating/Adjusting the Scale Calibration/Adjustment Sequence... -
Page 4: General Information
General Information Important: Prerequisites for working on the Sartorius PMA Scales include considerable experience, completion of a Service Course at the Training Center in Goettingen, and the special tools and equipment described below. Please do not attempt or permit any unauthorized repair work! If you remove the seal (warranty sticker), the scale is no longer covered under the warranty. -
Page 5: Operating The Scale
SARTORIUS PMA 7500... Operating the Scale Function of Keys On/off. The scale remains in the standby mode. Tare / Zero key (display is set to 0,0 g) Toggle. Toggles the display between weight and calculated value; also for changing Reference sample quantity/reference percentage/ numbers of subweighing operations. -
Page 6: Exiting The Scale Operating Menu With Or Without Storing The New Settings
See pages 12 for an overview of the scale operating menu codes. Activating the BPI Mode BPI = Binary Processor Interface (special Sartorius data transfer protocol) SBI = Sartorius Balance Interface (RS-232 communication) The scale must be in the BPI mode in order to use the CAS programs with the MC-1 server (version 4.6 or later) or a personal computer (version 1.33 or... -
Page 7: Calibrating/Adjusting The Scale
SARTORIUS PMA 7500... Calibrating/Adjusting the Scale Calibration/Adjustment Sequence Check and, if necessary, adjust the following factors: 1. Zero-point offset value 2. Off-center load 3. Linearity 4. Span adjustment Zero-Point Offset Value The zero-point offset value is necessary for adapting the bridge voltage of the strain-gauge load cell to the operating range of the scale electronics. -
Page 8: Off-Center Load
Off-Center Load Checking the Off-Center Load – Center the test weight (see “Service Specifications,” page 13) on the pan (position 1) and press = “0.0” is displayed (depending on model and settings) – Place the test weight on positions 2, 3, 4 and 5 in sequence –... -
Page 9: Replacing Pcbs
SARTORIUS PMA 7500... Replacing PCBs In the case of defects, do not attempt to make any repairs at the component level, but replace the entire subassembly. Replacing the Main PCB Note: Before replacing the main PCB, use the service software to read out and store the scale’s data record, if possible. -
Page 10: Replacing The Display Pcb
Replacing the Display PCB The display PCB must be replaced if: – the display is defective – data output is defective When replacing the display PCB, replace the cable connecting the display PCB to the main PCB at the same time. –... -
Page 11: Error Messages
SARTORIUS PMA 7500... Error Messages Display Cause Solution Scale capacity exceeded Unload the scale No pan on the scale Place the pan on the scale Something is touching the Remove whatever is touching the pan Display overflow; i.e., the value to... -
Page 12: Overview Of The Scale Operating Menu
Overview of the Scale Operating Menu Scale Functions 5 1 6 4,800 baud 5 1 7 9,600 baud Ambient Conditions 1 1 1 Minimum vibration Parity 1 1 2 Normal vibration 5 2 1 Mark 1 1 3 Strong vibration 5 2 2 Space 1 1 4... -
Page 13: Service Specifications
SARTORIUS PMA 7500... Service Specifications Reproducebility Off-Center Load Permissible Permissible Weighing Test Test Model Readability Tolerance Tolerance ppm/K Capacity weight weight (±) PMA 7500 ... 7500 g 0,1 g 5000 g 0,1 g 5000 g 0,6 g 999,95 0,05 PMA7500D ... -
Page 14: Spare Parts List
Spare Part List... - Page 15 SARTORIUS PMA 7500...
- Page 16 Sartorius AG. The status of the information, specifications and illustrations in this manual is indicated by the date given below. Sartorius AG reserves the right to make changes to the technology, features, specifications, and design of the equipment without notice.
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