ETEL Doc.- Hardware Manual # DSC2P / Ver H / 6/1/11
DSC2P Hardware Manual 11
2.1.2 Block schematics
In the DSC2P rack formats, all parts are on a single board: the servo board.
They need to be powered by an external power supply. The power supply developed by ETEL (refer to the
'DSO-PWS User's Manual' for more information) is designed to fit most applications. If you use another power
supply, it must meet all the specifications written on the next page.
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).
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 3 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
JC15
E
X
T
E
R
N
A
L
P
O
W
E
R
S
U
P
P
L
Y
+Vpwr
GNDpwr
+Vaux
GNDaux
P
O
W
E
R
I
N
P
U
T
M
O
V
M
O
V
Servo board
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