Omron sysmac NX Series User Manual page 173

Shield Connection Unit (Screwless Clamping Terminal Block, 12
mm Width)
Unit name
Model
External connection ter-
minals
Number of shield termi-
nals
Dimensions
Isolation method
Insulation resistance
Dielectric strength
NX Unit power con-
sumption
Current consumption
from I/O power supply
Weight
Circuit layout
Installation orientation
and restrictions
NX-series System Units User's Manual (W523)
Shield Connection Unit
NX-TBX01
Screwless clamping terminal block (16 terminals)
14 terminals (The following two terminals are functional ground terminals.)
12 (W) × 100 (H) × 71 (D)
Isolation between the SHLD functional ground terminal, and internal circuit: No-isolation
20 MΩ min. between isolated circuits (at 100 VDC)
510 VAC between isolated circuits for 1 minute at a leakage current of 5 mA max.
•
Connected to a CPU Unit or Communication Control Unit
0.85 W max.
•
Connected to a Communications Coupler Unit
0.45 W max.
No consumption
65 g max.
SHLD terminal
SHLD terminal
Terminal
SHLD terminal
block
(Functional ground terminal)
(Functional ground terminal)
NX Unit power supply +
NX bus
NX Unit power supply −
connector
(left)
I/O power supply +
I/O power supply −
Installation orientation:
•
Connected to a CPU Unit or Communication Control Unit
Possible in upright installation.
•
Connected to a Communications Coupler Unit
Possible in 6 orientations.
Restrictions: No restrictions
NX Unit power supply +
Internal circuits
NX Unit power supply −
I/O power supply +
I/O power supply −
DIN Track contact plate
(Unit back surface)
Appendices
A
NX bus
connector
(right)
A-21