Delta Electronics VFD037CB43A-20 [40/363] Pg function explanation

Delta Electronics VFD004CB21A-21M [40/363] Pg function explanation
Chapter 6 Control Terminals|C200 Series
6-5
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.
PG Function Explanation
1. When C200 is running at speed mode, it uses external terminal MI7~MI8 as PG connection
function terminal.
2. C200 uses encoder, open collector of only 24Vdc. The maximum cable length of encoder is 30m.
For example: Delta’s encoder (ES3-06CN6941).
3. For External terminal MI7~MI8, their the minimum working voltage is 21Vdc, maximum
input/output frequency is 33kHz. Refer to the formula below:
Maximum output rotation speed (rpm) /60*PG 33.000Hz
Maximum output rotation speed (rpm)=(120*frequency/motor pole number)
For example: Set up PG function to be 600pulse, pole number to be 4 and the maximum rotation
frequency is 60Hz.
The maximum rotation speed(rpm)=( 120*60)/4=1800rpm
1800/60*600=1800Hz
4. Set up Pr10-01~ 10-04 before using PG function. Its wiring diagram is shown as below:
Sink Mod
e
Internal Power Supply(+24Vdc
)
DCM
+24V
COM
Vcc
A/B
GND
AB/
MI7/MI8
0V mode encoder C200 external terminal

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