TECHTOP TD350 - Page 321

TD350 Series VFD Extension cards
-316-
Indicator No.
Definition
Function
LED2
State indicator
On: The extension card is establishing a
connection with the control board.
Blinks periodically: The extension card is properly
connected to the control board (the period is 1s,
on for 0.5s, and off for the other 0.5s).
Off: The extension card is disconnected from the
control board.
LED3
Power indicator
On: The control board feeds power to the PG
card.
The EC-PG503-05 extension card supports the input of absolute position signals and integrates the
advantages of absolute and incremental encoders. It is user-friendly, adopting spring terminals.
EC-PG503-05 terminal function description
Label
Name
Function description
PWR
Encoder power
Voltage: 5 V±5%
Max. current: 200 mA (PGND is isolation power
ground)
PGND
A1+
Encoder interface
1. Differential incremental PG interface of 5 V
2. Response frequency: 400 kHz
A1-
B1+
B1-
Z1+
Z1-
A2+
Pulse setting
1. Differential input of 5 V
2. Response frequency: 200 kHz
A2-
B2+
B2-
Z2+
Z2-
AO+
Frequency-divided
output
1. Differential output of 5 V
2. Supporting frequency division of 1–255, which
can be set through P20.16 or P24.16
AO-
BO+
BO-
ZO+
ZO-