Inovance MD520IO1 Manual de usuario
*19012215A00*
‑1‑
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.
■ Revision history
Date Version Description
April 2023 A00 First release
■ Document acquisition
This guide is not delivered along with the product. You can download the PDF version
by the following way:
Log in to Inovance's website (
www.inovance.com
), choose Support > Download,
search by keyword, and then download the PDF file.
■ Warranty
If your product becomes defective under normal use conditions, we will offer
guaranteed repair services within the warranty period. You will be charged for any
repair work after the warranty period expires.
The warranty does not cover any damage caused by:
●The user does not perform operations in compliance with the user manual of the
product.
●The product is damaged due to fire, flood, and abnormal voltage.
●The user uses the product for abnormal functions.
●The user uses the product outside the specified specification range.
●The product is damaged by force majeure, such as natural disasters, earthquakes,
or lightning strikes.
The maintenance fee is charged according to the latest Price List of Inovance. If
otherwise agreed upon, the agreed terms and conditions shall prevail.
‑2‑
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Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1 Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Applicable AC Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.3 Technical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.4 Outline Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.5 Terminal Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2 Installation and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.1 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.2 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.2.1 Wiring Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.2.2 EMC Routing Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
‑3‑
1 Product Information
1.1 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.
‑4‑
Type MD520IO1 MD38IO1 MD38IO2 MD38IO3
External
power
supply
Not
supported
External power
supply: +24V‑COM
Digital input power
supply: OP1
External power
supply: +24V‑COM
Digital input power
supply: OP2
Not supported
AI Not
supported
AI3‑PGND
●Optocoupler
isolation input,
differential
voltage input,
temperature
detection resistor
input
●Input voltage
range: ‑10 VDC to
+10 VDC
●PT100 and
PT1000
temperature
sensors
●The input mode
is determined by
DIP switch S1.
Only one function
is available at a
time.
Not supported Not supported
‑5‑
Type MD520IO1 MD38IO1 MD38IO2 MD38IO3
DI
Three
channels: DI6
to DI8
Refer to DI
technical
specifications.
Five channels: DI6
to DI10
Optocoupler
isolation,
compatible with
bipolarity input
Input impedance:
2.4 kΩ
Voltage at level
input: 9 V to 30 V
Three channels:
DI6 to DI8
Optocoupler
isolation,
compatible with
bipolarity input
Input impedance:
3.3 kΩ for DI6 and
DI7 and 2.4 kΩ for
DI8
Voltage range upon
level input: 9 V to
30 V
DI6, DI7 and DI8:
Common input
terminals with the
input frequency
less than 100 Hz
Three channels:
DI6 to DI8
Optocoupler
isolation,
compatible with
bipolarity input,
maximum input
frequency of 100
Hz
Input impedance:
3.4 kΩ
Voltage range upon
level input: 9 V to
24 V
AO
AO2
Refer to AO2
technical
specifications.
AO2‑GND
Output voltage: 0 V
to 10 V
Output current: 0
mA to 20 mA
Impedance for
output current: 0 Ω
to 500 Ω
Not supported Not supported
DO Not
supported
DO2‑CME
Optocoupler
isolation, bipolarity
open collector
output
Output voltage
range: 0 V to 24 V
Output current
range: 0 mA to 50
mA
Not supported Not supported
‑6‑
Type MD520IO1 MD38IO1 MD38IO2 MD38IO3
Relay
output
NO terminal
1: PA‑PC
NC terminal: PA‑PB
NO terminal: PA‑PC
Contact driving
capacity: 250 VAC,
3 A, COSφ = 0.4; 30
VDC, 1 A
Not supported
NO terminal: PA‑PC
Contact drive
capability: 250 VAC,
5 A; 30 VDC, 5 A
RS‑485
communi‑
cation
Supported Supported Not supported Supported
CAN
communi‑
cation
Not
supported Supported Not supported Not supported
1.2 Applicable AC Drive
Expansion Card
Model Applicable AC Drive
MD520IO1
MD290
MD480 (for T2 models and above)
MD480‑PLUS
MD500
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.
‑7‑
1.3 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.
Name Ground Technical Specification
+5V GND
●Standard voltage: +5 V
●Voltage fluctuation range: ±5%
●Maximum input current: 0.8 A
+15V GND
●Standard voltage: +15 V
●Voltage fluctuation range: ±10%
●Maximum input current: 0.09 A
‑15V GND
●Standard voltage: ‑15 V
●Voltage fluctuation range: ±10%
●Maximum input current: 0.09 A
+24V COM
●Standard voltage: +24V
●Voltage fluctuation range: ±10%
●Maximum input current: 0.47 A
■ Technical specifications of the DI
Signal
Name Technical Specification Remarks
DI6 Isolated sink/source programmable DI; input frequency: < 100
Hz; operating voltage range: 9 V to 30 V; invalid voltage: < 5 V;
valid voltage: > 15 V; input impedance: 3.61 kΩ
Optocou‑
pler
isolation
DI7
DI8
‑8‑
■ Technical specifications of the AO
Signal
Name Technical Specification
AO2
●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
●Type of protection: Clamp diode
●In the voltage mode, the maximum output load current is 2 mA and the load
impedance is larger than 5 kΩ. In the current mode, the load impedance is
lower than 500 Ω.
■ Technical specifications of the RS-485 communication terminal
Signal
Name
Technical Specification
485+ ●RS‑485 communication
●Maximum rate supported by hardware: 250 Kbps. The actual maximum rate
is subject to the software.
●Transmission distance: The maximum transmission distance of the baud
rate 9.6 Kbps is 1 km. The higher the rate, the shorter the transmission
distance.
485‑
■ Technical specifications of the relay terminal
Signal
Name
Terminal
Name
Technical Specification
PA Normally
open
(NO)
terminal
Contact capacity: 250 VAC/5 A, 30 VDC/5A
PC
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