2.2 Block Diagrams
2.2.1 SGD7W-1R6A and -2R8A
2-7
2
S
electing a
S
ER
VOP
ACK
2.2
Block Diagrams
This section gives the block diagrams of SERVOPACKs with the HWBB function. For the
Σ
-7C
SERVOPACKs, a block diagram is given for the Servo Section only.
Parts that are indicated by
are unique to the SERVOPACKs with the HWBB function.
2.2.1
SGD7W-1R6A and -2R8A
S
afety function
s
ignal
CN8
L1
L2
L
3
1
2
+
−
B2
B
3
B1/
UA
VA
WA
UB
VB
WB
I/F
I/O
CN5
CN1
CN6B
CN6A
CN2B
CN2A
+
−
L1C
L2C
CN7
CN
3
CHARGE
M
ENC
M
ENC
S
ervomotor
for axi
s
B
S
ervomotor
for axi
s
A
+
MECHATROLINK-III
communication
s
I/O
s
ignal
s
S
tatu
s
di
s
play
Proce
ss
or
(PWM control, po
s
ition/
s
peed calculation
s
, etc.)
Control
power
s
upply
Digital Operator
Computer
Current
s
en
s
or
Dynamic
brake circuit
Gate drive
Analog
voltage
converter
Analog monitor
output
Voltage
s
en
s
or
Voltage
s
en
s
or
Vari
s
tor
Vari
s
tor
Relay
drive
Gate drive
overcurrent
protection
Temperature
s
en
s
or
Main
circuit
power
s
upply
Control
power
s
upply
Fan
Gate drive
overcurrent
protection
Current
s
en
s
or
Dynamic
brake circuit
