Delta Electronics VFD037CH23A-21 — управление терминалами: Аналоговые и цифровые входы и выходы [69/638]

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Delta Electronics VFD185CH23A-21 [69/638] 2 analog input terminals avi aci aui and acm
Chapter 6 Control Terminal
6-5
Terminals Terminal Function Factory Setting (NPN mode)
frequency
Range: 0~10V
-10~+10V
AFM 1 Switch, factory setting is 0~10V
AFM2
0~10V
Max. output current 2mA, Max. load 5k
0~20mA
Max. load 500
Output current: 20mA max
Resolution: 0~10V corresponds to Max. operation
frequency
Range: 0~10V
0/4~20mA
AFM 2 Switch, factory setting is 0~10V
ACM Analog Signal Common Common for analog terminals
S1
SCM
Power removal safety function for EN954-1 and IEC/EN61508
SG+
SG-
SGND
Modbus RS-485
RJ-45
PIN 1,2,7,8 :Reserved PIN 3, 6: SGND
PIN 4: SG- PIN 5: SG+
NOTE: Wire size of analog control signals: 18 AWG (0.75 mm
2
) with shielded wire
6-2 Analog input terminals (AVI, ACI, AUI, and ACM)
Analog input signals are easily affected by external noise. Use shielded wiring and keep it as
short as possible (<20m) with proper grounding. If the noise is inductive, connecting the shield to
terminal ACM can bring improvement.
If the analog input signals are affected by noise from the AC motor drive, please connect a
capacitor and ferrite core as indicated in the following diagram.
C
AVI/ACI/AUI
ACM
ferrite core
Wind each wires 3 times or more around the core
Digital inputs (FWD, REV, MI1~MI8, COM)
When using contacts or switches to control the digital inputs, please use high quality components
to avoid contact bounce.
Transistor outputs (MO1, MO2, MCM)
Make sure to connect the digital outputs to the right polarity.
When connecting a relay to the digital outputs connect a surge absorber across the coil and
check the polarity.

Содержание

1610

Изучите функции управления терминалами, включая аналоговые и цифровые входы и выходы. Узнайте о настройках, подключении и предотвращении помех.