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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:
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.
UVW incremental encoder.
UVW Differential input PG card, without frequency dividing
output.5V voltage
Rotational transformer PG card
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.
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)
16-26AWG(1.318~0.1281mm²)
Input differential signal amplitude
ST500_PG1 terminal signals
Encoder output A signal positive
Encoder output Z signal negative
Encoder output A signal negative
Encoder output B signal positive
Encoder output B signal negative
Encoder output Z signal positive
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