ABB ACS880-107 Hardware Manual page 60

60 The inverter control unit
Analog outputs AO1 and AO2
(XAO)
Drive-to-drive link
(XD2D)
RS-485 connection
(X485) (BCU only)
Safe torque off connection
(XSTO)
Safe torque off output
(XSTO OUT) (BCU only)
Control panel connection (X13)
Ethernet connection
(XETH) (BCU only)
SDHC memory card slot
(SD CARD) (BCU only)
The terminals of the control unit fulfil the Protective Extra Low Voltage (PELV) requirements. The PELV
requirements 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...300 Hz (ZCU), 0...500 Hz (BCU)
Resolution: 11 bit + sign bit
Inaccuracy: 2% of full scale range
Connector pitch 5 mm, wire size 2.5 mm
Physical layer: RS-485
Termination by jumper or 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
For the drive to start, both connections must be "1"
Current consumption: 66 mA (continuous) per STO channel per
inverter module
EMC (immunity) according to IEC 61326-3-1
Connector pitch 5 mm, wire size 2.5 mm
To STO connector of inverter module. See chapter
off function (page 157).
Connector: RJ-45
Cable length < 3 m
Connector: RJ-45
Memory card type: SDHC
Maximum memory size: 4 GB
2
2
2
2
2
The Safe torque