Inovance MD520IO1 User Manual
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Inovance MD520IO1 User Manual

Inovance MD520IO1 User Manual

I/o expansion card
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Summary of Contents for Inovance MD520IO1

  • Page 1 *19012215A00*...

  • Page 3: Preface

    ■ Introduction The MD520IO1 card is an I/O expansion card applies to AC drives. The card supports three DI circuits, one AO circuit, one RO circuit, and one isolated RS‑485 circuit. This guide describes the technical specifications, dimensions, installation, wiring, and troubleshooting of the MD520IO1 expansion card.

  • Page 4: Table Of Contents

    T T a a b b l l e e o o f f C C o o n n t t e e n n t t s s Preface ............. 1 1 Product Information .

  • Page 5: Product Information

    1 Product Information Introduction The MD520IO1 card is an I/O expansion card applied to the AC drive. The card supports three DI circuits, one AO circuit, one RO circuit, and one isolated RS‑485 circuit. Figure 1‑1 MD520IO1 card appearance The following table describes differences among the MD520IO1 card, MD38IO1 card, MD38IO2 card, and MD38IO3 card.
  • Page 6 Type MD520IO1 MD38IO1 MD38IO2 MD38IO3 External power External power External supply: +24V‑COM supply: +24V‑COM power Not supported supported Digital input power Digital input power supply supply: OP1 supply: OP2 AI3‑PGND Optocoupler ● isolation input, differential voltage input, temperature detection resistor...
  • Page 7 Type MD520IO1 MD38IO1 MD38IO2 MD38IO3 Three channels: DI6 to DI8 Three channels: Optocoupler DI6 to DI8 isolation, Five channels: DI6 compatible with Optocoupler to DI10 bipolarity input isolation, Three Optocoupler compatible with Input impedance: channels: DI6 isolation, bipolarity input, 3.3 kΩ for DI6 and...

  • Page 8: Applicable Ac Drive

    MD290 MD480 (for T2 models and above) MD480‑PLUS MD500 MD520IO1 MD500E MD480‑PLUS MD510 MD520 Note Except the AO2 of the MD520IO1 card, the MD480‑PLUS series and MD500‑PLUS series AC drives support other terminal functions of the MD520IO1 card. ‑ ‑...

  • Page 9: Technical Specifications

    Technical Specifications For details on the layout of the interfaces on the MD520IO1 card, see “ Figure 1–3 ” on page 10 ■ Technical specifications of the power supply terminal J1 The power supply terminal J1 is located on the back of the expansion card and supplies power only to the card.
  • Page 10 ■ Technical specifications of the AO Signal Technical Specification Name Voltage range: 0 V to 10 V ● Maximum output current: 0 mA to 20 mA ● Resolution: 12‑bit ● Accuracy (25°C): ±2% ● Cut‑off frequency: 115.5 Hz ● Isolation: Not required ●...
  • Page 11 ● RI: Reinforced insulation If the functional insulation requirements are not met, you must ● communicate with Inovance in advance. Board slotting requirements: ≥ 1.0 mm (error must be considered). ● Determine if slotting is required based on actual situations.

  • Page 12: Outline Dimensions

    Outline Dimensions Figure 1‑2 Outline dimensions of the MD520IO1 card (unit: mm) Terminal Descriptions ■ Terminal layout The following figure shows the layout of the MD520IO1 card terminal. Figure 1‑3 MD520IO1 card terminal layout ‑ ‑...
  • Page 13 ■ Terminal descriptions Symbol Name Function Contact driving capacity: 250 VAC/5 A, 30 VDC/ PA‑PC NO terminal RS‑485 communication 485+ signal (positive) RS‑485 communication Modbus protocol supported, isolation input 485‑ signal (negative) RS‑485 communication CGND signal ground Optocouper isolation, bipolar input ●...
  • Page 14 Symbol Name Function Toggle positions 1 and 2 to ON: Termination ● resistor connected Selection of RS‑ Toggle positions 1 and 2 to OFF: Termination Two‑position ● 485 termination resistor disconnected DIP switch resistor The default setting is OFF, and toggling S1 to ●...

  • Page 15: Installation And Wiring

    AC drive, and wait for about 10 minutes until the charging indicator on the AC drive becomes OFF. After inserting the MD520IO1 card into the drive, fix corresponding screws to prevent the signal socket from being damaged by external signal cables.

  • Page 16: Wiring

    Wiring 2.2.1 Wiring Instructions Note By default, S2 is toggled to OFF and the internal 24 V power supply is ● connected. When S2 is toggled to ON and OP and COM are connected, an " DI " on page 16 external power supply is required.
  • Page 17 Definition Value 0: Operating frequency 1: Set frequency 2: Output current 3: Output torque (absolute value) 4: Output power 5: Output voltage 6: Pulse input 7: AI1 8: AI2 AO2 function selection 9: AI3 10: Length 11: Count value 12: Communication 13: Motor speed 14: Output current 15: Bus voltage...
  • Page 18 Table 2–1 Pins of the communication cable between the drive and PLC AC Drive Communica‑ Communica‑ Signal Name Signal Name Function Function tion Type tion Type RS‑485 signal RS‑485 signal RS485+ RS485+ (positive) (positive) RS‑485 signal RS‑485 signal RS485‑ RS485‑ (negative) (negative) RS‑485...
  • Page 19 When using the external 24 V power supply, toggle S2 to ON. Then connect +24V of the external power supply to OP of the drive and connect 0V of the external power supply to the corresponding DI through the contact of the controller. Note In the mode, the DIs of different AC drives cannot be connected in parallel.

  • Page 20: Emc Routing Instructions

    Figure 2‑4 Source wiring When using the source wiring method, an external 24 V power supply is required. Toggle S2 to ON and connect 0V of the external controller to OP of the drive, as shown in “ Figure 2–4 ” on page 18 2.2.2 EMC Routing Instructions During field installation and commissioning, the I/O signal includes the analog ●...
  • Page 21 Weak analog voltage signals are susceptible to external interference. Therefore, a ● shielded cable is typically required, and the wiring distance should be as short as possible (within 20 m). In applications where severe interference exists and impacts certain analog signals, install a filter capacitor or ferrite core at the analog signal source.

  • Page 22: Troubleshooting

    3 Troubleshooting This section exemplifies the MD520 series AC drive as an example to describe troubleshooting of the MD520IO1 card. Fault reset method ● 1. Assign the fault reset function to the DI by setting any of F4‑00 to F4‑09 to 9.
  • Page 23 Fault Fault Possible Cause Solution Code Name Eliminate external faults, and ensure An external fault signal is that restart (F8‑18) is allowed under input through the multi‑ E015.1 the mechanical condition to restart functional DI (NO). External the device. input Eliminate external faults, and ensure fault An external fault signal is...

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