ABB ACS880-37 Hardware Manual page 133

XRO3
XD24 XPOW
XRO2
XDIO XAO
XRO1
XDI XAI
X485
XSTO
XD2D
XSTO
OUT
Control units of the drive 133
Description
XAI Analog inputs
XAO Analog outputs
XDI Digital inputs, Digital input interlock (DIIL)
XDIO Digital input/outputs
XD2D Drive-to-drive link
XD24 +24 V output (for digital inputs)
XETH Ethernet port (eg. for PC communication)
XPOW External power input
XRO1 Relay output RO1
XRO2 Relay output RO2
XRO3 Relay output RO3
XSTO Safe torque off connection (input signals)
XSTO OUT Safe torque off connection (to inverter modules)
X12 (On the opposite side) Connection for FSO-xx
safety functions module (optional)
X13 Control panel / PC connection
X485 Not in use
V1T/V1R, Fiber optic connection to modules 1 and 2
V2T/V2R (VxT = transmitter, VxR = receiver)
V3T/V3R Fiber optic connection to modules 3...7
... (BCU-12/22 only)
V7T/V7R (VxT = transmitter, VxR = receiver)
V8T/V8R Fiber optic connection to modules 8...12
... (BCU-22 only)
V12T/V12R (VxT = transmitter, VxR = receiver)
SD CARD Data logger memory card for inverter module
communication
BATT OK Real-time clock battery voltage is higher than
2.8 V. If the LED is off when the control unit is
powered, replace the battery.
FAULT The control program has generated a fault. See
the firmware manual of the supply/inverter unit.
PWR OK Internal voltage supply is OK
WRITE Writing to memory card in progress. Do not
remove the memory card.