ABB ACS880-37 Hardware Manual page 140

140 Control units of the drive
Analog outputs AO1 and AO2
(XAO)
Drive-to-drive link
(XD2D)
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
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...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
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
For the unit to start, both connections must be "1"
Current consumption: 66 mA (continuous) per STO channel per R8i
inverter module
EMC (immunity) according to IEC 61326-3-1
Connector pitch 5 mm, wire size 2.5 mm
To STO IN connector of inverter module. See chapter
torque off function (page 237).
Connector: RJ-45
Cable length < 3 m
Connector: RJ-45
Memory card type: SDHC
Maximum memory size: 4 GB
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The Safe