DOCUMENT: PRODUCT PROCEDURE PROCEDURE: STATIC CHECKS for IGBT/IPM, 3-PHASE BRIDGE RECTIFIER, CONTROL POWER and GROUND PRODUCT: AXIS MODULE 2094-AMxx, 2094-BMxx and INTEGRATED AXIS MODULE 2094ACxx-Mxx, 2094-BCxx-Mxx EQUIPMENT: FLUKE MODEL 87 MULTIMETER OR EQUIVALENT Axis Module Checks Set meter to Voltage function. Verify bus voltage is fully discharged (less than 1V) at backplane DC+ and DC– connections. Set meter to Diode Check function. 1. With black lead on backplane DC+ and red lead on DC– read ≈ 0.83V (see Table 1). 2. With black lead on backplane DC+ and red lead on motor power U, V, W read ≈ 0.45V. 3. With red lead on backplane DC– and black lead on motor power U, V, W read ≈ 0.45V. Set meter to Ohm function. 1. Verify backplane DC+ and DC– to ground read open. 2. Verify backplane Aux+ to Aux– is not shorted. 3. Verify continuity from backplane ground to motor power ground and also to metal collar (chassis). 4. Verify motor power U, V, W to ground read open. 5. Verify motor power U to V, U to W, and V to W are not shorted. Axis Module, Backplane Axis Module, Motor Power Connector Integrated Axis Module Converter Section Checks Set meter to Voltage function. Verify bus voltage is fully discharged (less than 1V) at backplane DC+ and DC– connections. Set meter to Diode Check function. 1. With black lead on backplane DC+ and red lead on DC– read ≈ 0.91V (see Table 1). 2. With black lead on backplane DC+ and red lead on 3-phase input L1, L2, L3 read ≈ 0.52V. 3. With red lead on backplane DC– and black lead on 3-phase input L1, L2, L3 read ≈ 0.50V. Set meter to Ohm function. 1. Verify backplane DC+ and DC– to ground are not shorted. 2. Verify backplane Aux+ to Aux– is not shorted. 3. Verify continuity from backplane ground to 3-phase input connector ground and also to metal collar (chassis). 4. Verify continuity from backplane DC+ to 3-phase input connector DC+. 5. Verify continuity from backplane DC– to 3-phase input connector DC–. 6. Verify control power CTRL1 to CTRL2 is not shorted. 7. Verify control power CTRL1 and CTRL2 to ground are not shorted. 8. Verify 3-phase inputs L1, L2, L3 to ground are not shorted. 9. Verify 3-phase inputs L1 to L2, L1 to L3, and L2 to L3 are not shorted. Integrated Axis Module Inverter Section Checks Set meter to Voltage function. Verify bus voltage is fully discharged (less than 1V) at backplane DC+ and DC– connections. Set meter to Diode Check function. 1. With black lead on backplane DC+ and red lead on DC– read ≈ 0.83V (see Table 1). 2. With black lead on backplane DC+ and red lead on motor power U, V, W read ≈ 0.45V. 3. With red lead on backplane DC– and black lead on motor power U, V, W read ≈ 0.45V. Set meter to Ohm function. 1. Verify backplane DC+ and DC– to ground read open. 2. Verify backplane Aux+ to Aux– is not shorted. 3. Verify continuity from backplane ground to motor power ground and also to metal collar (chassis). 4. Verify motor power U, V, W to ground read open. 5. Verify motor power U to V, U to W, and V to W are not shorted. Integrated Axis Module, Converter and Inverter Sections Integrated Axis Module, Backplane (2094-AC09-M02 shown) Integrated Axis Module, Backplane, BC04-M03 and BC07-M05 Integrated Axis Module, 3-phase Input, Control Power, Motor Power Table 1: Diode Check Voltages Test Connection Points Inverter Backplane DC+ to DCInverter Backplane DC+ to DCConverter Backplane DC+ to DCConverter Backplane DC+ to DCDC+ or DC- to U, V, W DC+ or DC- to U, V, W DC+ or DC- to L1, L2, L3 DC+ or DC- to L1, L2, L3 Drive Model 2094-xxxx (ACxx- or A)MP5, M01, M02 (BCxx- or B)MP5, M01, M02 (ACxx- or A)M03, M05 (BCxx- or B)M03, M05 AC05-Mxx, AC09-M02 BC01-Mxx, BC02-M02 AC16-M03, AC32-M05 BC04-M03, BC07-M05 (ACxx- or A)MP5, M01, M02 (BCxx- or B)MP5, M01, M02 (ACxx- or A)M03, M05 (BCxx- or B)M03, M05 AC05-Mxx, AC09-M02 BC01-Mxx, BC02-M02 AC16-M03, AC32-M05 BC04-M03, BC07-M05 Normal Value* 0.78V to 0.92V 0.65V to 0.80V 0.80V to 0.98V 0.78V to 0.92V 0.40V to 0.48V 0.36V to 0.44V 0.43V to 0.59V 0.41V to 0.53V * Measurements below this range may indicate a leaky or shorted condition of a IGBT/IPM, 3-phase diode bridge or other component. The specific meter used may alter measurements. If this occurs compare the measurements of a known good drive of the same model.