Zcu-14 Layout - ABB ACS880-304LC Series Hardware Manual

132 The control unit

ZCU-14 layout

X12
X13 X205
Description
XPOW External power input
XAI Analog inputs
XRO1
XAO Analog outputs
XD2D Drive-to-drive link
XRO2 XRO1 Relay output RO1
XRO2 Relay output RO2
XRO3 Relay output RO3
XRO3
XD24 Digital input interlock (DIIL) and +24 V
output
XPOW
XDIO Digital input/outputs
J1, J2
XDI Digital inputs
XSTO Safe torque off connection (inverter unit
only).
XAI
Note: This connection only acts as a true
Safe torque off input when the ZCU is
controlling an inverter unit. When the ZCU
is controlling a supply unit, de-energizing
XAO
the inputs will stop the unit but will not
constitute a true safety function.
J3
X12 Connection for FSO-xx safety functions
module (inverter unit only).
XD2D
X13 Control panel connection
X202 Option slot 1
X203 Option slot 2
XSTO
X204 Option slot 3
X205 Memory unit connection (memory unit
inserted in the drawing)
XDI
J1, J2 Voltage/Current selection jumpers (J1,
J2) for analog inputs
XDIO J3 Drive-to-drive link termination switch (J3)
J6
J6 Common digital input ground selection
jumper (J6).
XD24