-
Table 150: Pin Assignment of External Encoder Connectors (X1/X2)
Pins Description Notes
SSI/BiSS
Notes
1
24 V
24 V DC ±10% (used for powering the encoder)
Maximum current: 150 mA
2
–
–
–
3
–
–
–
4
RS422 RXD
Positive data
Bus speed:
SSI: Up to 10 Mhz clock frequency with 30 m cable.
BiSS: Fulfills the RS485 specification.
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
Bus speed:
SSI: 0.5 Mbit with 25 m cable.
BiSS: Fulfills the RS485 specification.
9
/RS422 TXD
Negative data
N O T I C E
Only PELV potential can be connected to the external encoder.
11.9.13 Expansion Module Connector
e3
0b
h3
90
.1
0
DC+
DC-
GND
24 V
48 V
Illustration 157: Expansion Module Connector
Table 151: Pin Assignment of Expansion Module Connector
Pins
(left to
right)
Descrip-
tion
Note
Rating/parameter
1
DC+
Shield the DC cables
using the cable tie on
the EXM 510 EMC
plate.
Nominal voltage: 560–800 V DC
Nominal current: Depends on the number of servo drives in the application.
Maximum current: 62 A
(1)
Conductor cross-section range: 0.75–16 mm
2
, solid or flexible (AWG 18–AWG 4)
Only use with ferrule without plastic sleeve with CRIMPFOX 16 S.
Use shielded conductors for UDC (DC+, DC–).
Plug terminal tightening torque: 1.7–1.8 Nm
2
3
DC–
4
5
FE (func-
tional
earth)
–
6
GND
–
AQ262449648484en-000101 / 175R1135 | 213
Danfoss A/S © 2020.08
Specifications
VLT® Servo Drive System ISD 510/DSD 510
Operating Guide
