Omron NX-AD series User Manual page 255

Unit name Analog Output Unit (voltage output type)
Number of points 4 points
I/O refreshing method Free-Run refreshing
Indicators TS indicator
Dimensions 12 (W) x 100 (H) x 71 (D)
Insulation resistance 20 MΩ min. between isolated circuits (at
100 VDC)
I/O power supply Supply from the NX bus
method
NX Unit power con- • Connected to a CPU Unit
sumption
1.35 W max.
• Connected to a Communications Cou-
pler Unit
1.25 W max.
Weight 70 g max.
Circuit layout
NX bus
connector
(left)
Installation orienta- Installation orientation:
tion and restrictions
• Connected to a CPU Unit
Possible in upright installation.
• Connected to a Communications Coupler Unit
Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram
24 VDC
NX-series Analog I/O Units User's Manual for Analog Input Units and Analog Output Units (W522)
Model
External connection
terminals
Output range
Output conversion
range
Allowable load resis-
tance
Output impedance
Resolution
Overall
accuracy
Conversion time
Isolation method
Dielectric strength
Current capacity of I/O
power supply terminal
Current consumption
from I/O power supply
AG: Analog circuit
internal GND
I/O power supply +
I/O power supply −
Additional I/O Voltage Output Unit
Power Supply Unit
NX-DA3603
A1 B1 A1
IOV IOV V1+
IOV
IOG IOG IOG
V3+
IOV IOV IOV
IOG
IOG IOG
A8 B8 A8
NX-DA3603
Screwless clamping terminal block (12 ter-
minals)
-10 to +10 V
-5 to 105% (full scale)
5 kΩ min.
0.5 Ω max.
1/8000 (full scale)
25°C ±0.3% (full scale)
to ±0.5% (full scale)
0 55°C
250 μs/point
Between the input and the NX bus: Power
= Transformer, Signal = Digital isolator (no
isolation between inputs)
510 VAC between isolated circuits for 1
minute at a leakage current of 5 mA max.
IOV: 0.1 A/terminal max., IOG: 0.1 A/termi-
nal max.
No consumption
IOV
AMP
Output V1+ to V4+ Terminal block
IOG
AG
I/O power supply +
I/O power supply −
B1
V2+ Voltage output +
IOV
Voltage output −
IOG
V4+
IOV
IOG
B8
Appendices
A
NX bus
connector
(right)
A - 35