Expansion Module Connector - Danfoss VLT MSD 510 Operating Manual

Operating Guide | VLT® Multiaxis Servo Drive MSD 510 System
Table 155: Pin Assignment of External Encoder Connectors (X1/X2)
Pins Description Notes
SSI/BiSS
1 24 V 24 V DC ±10% (used for powering the encoder)
2 – –
3 – –
4 RS422 RXD Positive data
5 RS422 TXD Positive data
6 GX Isolated ground.
If encoders are powered externally, the ground of the
external supply must be connected to GX.
7 – –
8 /RS422 RXD Negative data
9 /RS422 TXD Negative data
Only PELV potential can be connected to the external encoder.
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11.7.15 Expansion Module Connector

DC+ DC-
Illustration 154: Expansion Module Connector
236 | Danfoss A/S © 2019.10
N O T I C E
24 V
GND
48 V
Notes
Maximum current: 150 mA
–
–
Bus speed:
SSI: Up to 10 Mhz clock frequency with 30 m cable.
BiSS: Fulfills the RS485 specification.
–
–
Bus speed:
SSI: 0.5 Mbit with 25 m cable.
BiSS: Fulfills the RS485 specification.
AQ262450196490en-000101 / 175R1170
Specifications