ABB ACS880-204 Hardware Manual page 294

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