8. Mechanically attach the control cables on the outside of the drive.
Additional information on the control connections
￭
Connecting an interposing relay to DO
For applications where a second relay output is required, an interposing relay must
be used.
21
22
12
20
18
19
+24VDC
DGND
DCOM
DO SRC
DO
DO COM
AI1
AI2
1
2
3
DC relay (24 VDC max)1
Factory jumper2
Optional flyback diode3
￭
Connecting EIA-485 fieldbus cable to the drive
Connect the fieldbus to the EIA-485 terminal on the front of the drive. The EIA-485
network uses shielded, twisted-pair cable for data signaling with characteristic
impedance between 100 and 130 ohm. The distributed capacitance between
conductors is less than 100 pF per meter (30 pF per foot). Distributed capacitance
between conductors and shield is less than 200 pF per meter (60 pF per foot). Foil
or braided shields are acceptable. The connection diagram is shown below.
76 Electrical installation
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