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3.3
Danger!
•
•
Danger!
3.3.1
Frequency signal, f
TTL (push-pull) according to specification RS-422A / RS-485: U
HTL (push-pull or unipolar): I
CAN actuation of the system bus according to ISO-DIS 11898 (CAN High Speed)
The sockets without designations are not assigned any functions.
06/05
06/05
Electrical installation
If the following instructions are not complied with, there is direct danger
with the possible consequences of death or severe injury by electrical
current. Further, failure to comply can lead to destruction of the fre-
quency inverter and/or of the expansion module.
Before assembly or disassembly of the EM-ENC-03 expansion module, the fre-
quency inverter must be de-energized. Take appropriate measures to make sure it
is not energized unintentionally.
Make sure that the frequency inverter is de-energized.
The mains, direct voltage and motor sockets can have dangerous voltages
even after disconnection of the frequency inverter. Work may only be
done on the device after a waiting period of some minutes until the DC
link capacitors have discharged.
Circuit diagram
X410A
X410B
B
A
Speed sensor input EM-ENC
= 300 kHz, voltage-proof until 30 V,
max
B
Communication interface system bus
EM-ENC A+
1
EM-ENC A-
2
EM-ENC B+
3
EM-ENC B-
4
5
6
GND
7
1
2
3
4
CAN-Low
5
SYS
CAN-High
6
7
GND
= 12 mA at 24 V
max
= 5 V,
max
9
9
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