4
SFU 0156
Frequency Converter
4.
Connections, Plugs and PIN Assignments
* X-ICD for internal use only
4.1
Power Supply Connection SL4
(pluggable screw terminals)
Pin
Function
Description
1
PE
Protective Earth, is internally connected to mounting bracket
2
+80V
DC
+ Supply Voltage for spindle -> Fuse FS2 6,3 AT
3
0V (80V)
Voltage return for spindle supply
4
PTC / KTY
Temp sensor Spindle
->
available at HW V1.1 and to be configured with SFU-Terminal >V6.25
5
0V (24V)
Voltage return for controller supply (internally connected with PIN3)
6
+24V (max 30V)
+ Supply voltage for control logic -> Fuse FS1 250mAT
protected against voltage reversal with Diode D8
NC
Version SFU 0156 with o24V logic supply.
In this version the logic supply voltage is directly generated from the
spindle supply voltage (-> 9.)
SL2
LEDs
X-ICD*
PIN1
PIN1
SL5
USB
SL3
SL4