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R&M Materials Handling, Inc.
4501 Gateway Boulevard
Springfield, Ohio 45502
P.: (937) 328-5100
FAX: (937) 325-5319
8.2 Setup
- Verify the connection of analog inputs and outputs and cable shield grounding (both ends).
- Enable the multicare function in both drives - parameter “Analog Input Sel” (P2.1.5=Multicare).
- Verify parameters P2.1.6…P2.1.10 and P2.2.8…P2.2.12 are the same for both drives.
- Activate pushbutton “Test Voltage Max” (B2.1.12.2=”On”) in both drives – this produces a test voltage of 9 V
(analog output) for calibrating the maximum value of speed correction.
- Read “Ain Value” (V2.1.12.3) and use this value (about 9 V) for speed correction calibratation – set “Max Value
Volt” (P2.1.12.5, both drives) equal to received “Ain Value” – this value is likely the same for both drives.
- Activate pushbutton “Test Voltage Min” (B2.1.12.1=”On”) in both drives – this produces a test voltage of 1 V
(analog output) for calibrating the minimum value of speed correction.
- Read “Ain Value” (V2.1.12.3) again and use this value (about 1V) for speed correction calibration – set “Min
Value Volt” (V2.1.12.4, both drives) equal to received “Ain Value” – this value, again, is likely the same for both
drives.
- Reset both programmable pushbuttons (B2.1.12.1=”Off” and B2.1.12.2=”Off”, both drives).
- Check “Ain Value” (V2.1.12.3) is back at 0 V.
8.3 Test run without load
- Display monitoring parameter “Frequency reference” (V4.9) on both drives.
- In EP mode, accelerate the hoist (up and down) to any speed (between the minimum speed and maximum
speed) and verify both drives display the same frequency reference (± 0.25 Hz) when constant speed is
reached.
- Lower the frequency value of “Max Freq S1” (P2.2.10) of one drive temporarily about 20 Hz – run in up direction
and verify the “faster hoist” will slow down after accelerating. Again, check that both drives display the same
frequency reference. Return “Max Freq S1” back to its original value.
- Run both hoists up in tandem mode and stop one hoist by disconnecting the voltage from its upper stop limit
terminal (X1:41) – the other hoist must stop and display “Multicare Fault” (F70).
- Reconnect the voltage back to terminal X1:41.
- Repeat the same test with the other hoist.
- Check both hoists operate normally (in tandem mode and single mode) when reaching the slow-down and end
stop limit in both directions.
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Materials Handling Inc. Copyright © (2005) R&M Materials Handling Inc. All rights reserved.