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Appendix II How to use universal encoder
expansion card
II-1 Overview
ST500 is equipped with a variety of universal encoder expansion card (PG card), as an
optional accessory, it is necessary part for the inverter closed-loop vector control, please select PG
card according to the form of encoder output, the specific models are as follows:
Options
Description
Others
ST500_PG1
ABZ incremental encoder:
Differential input PG card, without frequency dividing output.
OC input PG card, without frequency dividing output. 5V, 12V, 24V
voltage is optional, please provide voltage and pulse input mode
information when ordering.
Terminal
wiring
ST500_PG3
UVW incremental encoder.
UVW Differential input PG card, without frequency dividing
output.5V voltage
Terminal
wiring
ST500_PG4
Rotational transformer PG card
Terminal
wiring
ST500_PG5
ABZ incremental encoder.
OC input PG card, with 1:1 frequency dividing output.
5V, 12V, 24V voltage is optional, please provide voltage and pulse
input mode information when ordering.
Terminal
wiring
II-2 Description of mechanical installation and control
terminals function
The expansion card specifications and terminal signals for each encoder are defined as
follows:
Table 1 Definitions of specifications and terminal signals
Differential PG card(ST500_PG1)
ST500_PG1 specifications
User interface
Terminal block
Spacing
3.5mm
Screw
Slotted
Swappable
NO
Wire gauge
16-26AWG(1.318~0.1281mm²)
Maximum frequency
500kHz
Input differential signal amplitude
≤7V
ST500_PG1 terminal signals
No.
Label
no.
Description
No.
Label
no.
Description
1
A+ Encoder output A signal positive
6
Z-
Encoder output Z signal negative
2
A- Encoder output A signal negative
7
5V
Provide 5V/100mA power
3
B+ Encoder output B signal positive
8
GND Power ground
4
B- Encoder output B signal negative
9
PE
Shielding terminal
5
Z+ Encoder output Z signal positive
UVWdifferential PG card
ST500_PG3 specifications
User interface
Terminal block
Swappable
NO
