ETEL Doc.- Hardware Manual # DSC2P / Ver H / 6/1/11
DSC2P Hardware Manual 17
2.2.2 Block schematics
The housed format contains two boards: the servo board and the power supply board. On the servo board, the
power part and the control part are galvanically separated. The inputs and outputs are insulated from the
control part by opto-couplers.
Caution: The GND is internally connected to the DSC2P front panel which is connected to the
ground (PE).
The power GND is not connected to the ground (PE).
Over
voltage
Vaux
L1
Fuse
ETEL-Bus-Lite2
IN / OUT
TEB
IN / OUT
Digital control
DIP switch
AXIS #
Digital
inputs
Digital
outputs
Digital Hall
sensor input
Analog
input
Optional
board
Analog/EnDat 2.1
encoder input
Digital encoder
input
Fuse
CAN bus
MACRO bus
SERCOS bus
PROFIBUS
DSO-HIO
Fuse
JC1 to JC3 JC5 JC6 JC9 JC10 JC8
IGBT drive
unit
(POWER)
galvanic
insulation
(
CONTROL)
Current
measure.
PH1 & 3
PH1
PH2
PH3
Thermostat
PE
DC
DC
DC
DC
Fuse
Over / under
voltage
JC7
M
O
T
O
R
O
U
T
P
U
T
Fuse
Fuse
Overcurrent
detection
IGBT power bridge
JC13
P
O
W
E
R
I
N
P
U
M
O
V
Fan
T
JC12
Filter
L2
L3
GNDaux
Inrush
limit
External brake
resistor ≥40Ω
JC14
Filter
PE
A
U
I
N
P
U
T
+
-
X
Optional short-
circuit relay
+24 VDC
GNDaux
Servo board
P
OWER
STAGE
RELAY
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