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Appendix
a
Appendix B: Instructions of IO expansion card (VFD-IO1)
I. Introduction
IO expansion card VFD-IO1 offers 3-pin DI.
II. Mechanical installation and functional descriptions of control terminals
1. Installation way and functional definitions of wiring terminals can respectively refer to Figure 1 and
Table 1 in Appendix 2
1)
Please assemble and disassemble after complete outage of frequency convertor;
2)
Align expansion card interface and location hole of I/O expansion card and control panel on
frequency convertor;
3)
Fix communication card with screw as shown in Figure 1.
Function definition of wiring terminals:
Category
Terminal
symbol
+24V-COM
Power
OP2
DI6-OP2
DI7-OP2
Function
digital
DI8-OP2
input
terminals
(Apply to all series machines)
Appendix B: Figure 1 Installation way of VFD-IO1
Appendix B: Table 1 Functional descriptions of wiring terminals
Terminal name
Connect +24V
power externally
Power terminal
of digital input
Digital input 6
Digital input 7
Digital input 8
Specification of high-performance vector convertor
Provide +24V power externally, be used as working
power of digital input/output terminal as well as power of
external sensor; maximum current current: 200mA
No power connection of OP2 when leaving factory,
connect to external power based on demands
1. Opto-isolator: be compatible with bipolar input
2. Input impedance: DI6, DI7: 3.3kΩ, DI8: 2.4kΩ
3. Voltage range during level input: 9～30V
4. DI6, DI7 are common input terminals, input frequency
<100Hz; DI8 is high-speed pulse input terminal, max.
input frequency <100kHz
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Functional
description
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