1-4
System Block Diagram
The block diagram of a 1S-series Servo Drive Advance Type with Built-in EtherCAT Communications is
shown below.
R88D-1SAN02H-ECT/-1SAN04H-ECT
CNA
24V
0
CNA
L1
L2
L3
N3
FUSE
N2
N1
Input voltage monitoring
Display area
rotary switch
communications
1S-series with Built-in EtherCAT Communications and Safety Functionality User's Manual (I621)
DC/DC
Power
supply
Relay
drive
Voltage
detection
ECAT IN
CN1
ECAT OUT
CN10
CN11
EtherCAT
EtherCAT
Control
communications
interface
connector
connector
1 Features and System Configuration
Regeneration
control
Gate drive
error detection
Overcurrent
detection
(IPM error)
MPU, FPGA
Control circuit
CN2
CN15
Encoder
Safe brake
control
interlock
Current detection
HS
temperature
monitoring
CN12
CN7
CN14
Brake
USB
Safety
1
CNA
P/B1
B2
B3
CNC
U
V
W
1 - 17