A calculation example of using the combination of the NX-series CPU Units and Safety CPU
Units is given below.
M
NX-series
CPU Unit
(A)
NX-series
CPU Unit
(B)
NX-series
CPU Unit
(C)
EtherCAT
Coupler
Unit
Safety
CPU Unit
(A)
Safety
CPU Unit
(B)
Safety
CPU Unit
(C)
Safety
Input
Unit
Safety
Output
Unit
Safety
Input
Unit
Safety
Output
Unit
1S-series
Servo
Drive
1S-series
Servo
Drive
Safety
Input
Unit
Safety
Output
Unit
FSoE Slave
S
FSoE Master
M
CIP Safety Target
T
CIP Safety Originator
O
S S S S
SSSS
M
M M
T
T
O
T
O
O
Single-cast Connection
Multi-cast Connection
Number of targets that estab-
lish connections as an origi-
nator (m)
Number of originators that
establish connections as a
target (n)
Total (m+n)
NX-series CPU Unit (A) 2 2 4
NX-series CPU Unit (B) 2 2 4
NX-series CPU Unit (C) 2 2 4
5 System Configuration and Setup
5 - 22
NX-series Safety Control Unit User's Manual (Z930)