ABB ACS880-77CC Hardware Manual page 103

Wind turbine converters
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Analog outputs AO1 and AO2 (XAO)
XD2D connector
RS-485 connection (X485)
Safe torque off connection (XSTO)
Safe torque off output (XSTO OUT)
Control panel connection (X13)
Ethernet connection (XETH)
SDHC memory card slot (SD CARD)
The terminals of the control unit fulfill the Protective Extra Low Voltage (PELV) requirements. The PELV re-
quirements of a relay output are not fulfilled if a voltage higher than 48 V is connected to the relay output.
Connector pitch 5 mm, wire size 2.5 mm
0...20 mA, R
< 500 ohm
load
Frequency range: 0...500 Hz
Resolution: 11 bit + sign bit
Inaccuracy: 2% of full scale range
Connector pitch 5 mm, wire size 2.5 mm
Physical layer: RS-485
Transmission rate: 8 Mbit/s
Cable type: Shielded twisted-pair cable with a twisted pair for data
and a wire or another pair for signal ground (nominal impedance
100 ... 165 ohm, for example Belden 9842)
Termination by switch
Connector pitch 5 mm, wire size 2.5 mm
Physical layer: RS-485
Connector pitch 5 mm, wire size 2.5 mm
Input voltage range: -3...30 V DC
Logic levels: "0" < 5 V, "1" > 17 V.
Note: For the converter to start, both connections must be "1".
EMC (immunity) according to IEC 61326-3-1
Connector pitch 5 mm, wire size 2.5 mm
Connector: RJ-45
Cable length < 3 m
Connector: RJ-45
Memory card type: SDHC
Maximum memory size: 4 GB
BCU-x2 control unit 103
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