Operation principle and hardware description
30
Power connections and control interfaces
The diagram shows the power connections and control interfaces of the drive.
Slot 1
Slot 2
Slot 3
Control unit (JCU)
FXX 
F
X
X
X
 
F
X
X
 
Control panel or PC
Memory unit 
 1)
Brake resistor (optional)
Power unit
Brake 
chopper
3-phase power 
supply
AC motor
U1
V1
W1
L1
L2
L3
PE
PE
U2
V2
W2
t°
R-
UDC+
R+
UDC-
For intormation on default 
connections, see page 87. For 
specifications, see page 119.
* programmable.
Slot 1 / Slot 2
FIO-01 (Digital I/O 
extension)
FIO-11 (Analog I/O 
extension)
FIO-21 (Analog and digital 
I/O extension) )
FEN-01 (TTL incremental 
encoder interface)
FEN-11 (TTL absolute 
encoder interface)
FEN-21 (Resolver 
interface)
FEN-31 (HTL incremental 
encoder interface)
Note: No two resolver/
encoder interfaces of the 
same type can be 
connected at a time
Slot 3 (Fieldbus adapter)
FCAN-0x (CANopen) 
FDNA-0x (DeviceNet)
FENA-0x (Ethernet/IP)
FLON-01 (LonWorks)
FSCA-01 (Modbus)
FPBA-0x (PROFIBUS)
X7
M
3 ~
2)
 du/dt or sine filter (optional, 
see page 143)
 2)
1)
 See page 110.
External power input XPOW
*Relay outputs (3 pcs) XRO1…3
24 V DC output XD24
*Digital inputs (6 pcs) XDI
*Digital input/outputs (2 pcs) XDIO
*Analog inputs XAI
*Analog outputs XAO
Drive-to-drive link XD2D
Safe Torque Off XSTO