50
The second incremental encoder connection serves as a buffered output
of the motor encoder. This can be used by other control systems for
speed or position control. The output signals are according to the RS422
line driver signal standard.
54321
9876
3.2.6 X3B Incremental
Encoder Output
Pin No. Signal Pin No.
1 A+ 1
2 B+ 3
3 N+ 5
4 +5.0 V 7
5 24...30 V
_
6 A- 2
7 B- 4
8 N- 6
9 0V com 8
Sub-D Housing Earth GND Inverter Housing
The internal 24VDC power supply has a maximum load capacity of
170mA . The 5V supply has a maximum load capacity of 500mA. Both
of these values assume no loading on the supplies of connection X3A. If
connections or loads are placed on both terminals, the total load between
the two must not exceed these values.
ONLY when the inverter is switched off and the voltage
supply is disconnected may the feedback connectors
be removed or connected!

Plug in screw terminal
9 Pin Sub D - Female
The following speci cations apply to encoder interface X3B, channel 2
• Max. operating frequency: 200 kHz.
• Maximum cable length: 50m (164 ft)
• External terminating resistance: R
t
= 120 W
• RS422 or TTL level square wave
voltage level: 2...5 Vdc
For proper noise immunity, the RS422 standard requires a termination
resistor be placed at the device which is receiving the simulated encoder
signal. The resistors shall be connected from A+ to A-, B+ to B-, N+ to
N- (only when used).
i
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