Appendices
A - 36
NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)
Unit name
Analog Output Unit (voltage output type)
Model
NX-DA3605
Number of points
4 points
External connection
terminals
Screwless clamping terminal block (12 ter-
minals)
I/O refreshing method
Switching synchronous I/O refreshing and Free-Run refreshing
Indicators
TS indicator
Output range
-10 to +10 V
Output conversion
range
-5 to 105% (full scale)
Allowable load resis-
tance
5 k
Ω
min.
Output impedance
0.5
Ω
max.
Resolution
1/30000 (full scale)
Overall
accuracy
25
°
C
±0.1% (full scale)
0
to
55
°
C
±0.3% (full scale)
Conversion time
10
μ
s/point
Dimensions
12 (W) x 100 (H) x 71 (D)
Isolation method
Between the input and the NX bus: Power
= Transformer, Signal = Digital isolator (no
isolation between inputs)
Insulation resistance
20 M
Ω
min. between isolated circuits (at
100 VDC)
Dielectric strength
510 VAC between isolated circuits for 1
minute at a leakage current of 5 mA max.
I/O power supply
method
Supply from the NX bus
Current capacity of I/O
power supply terminal
IOV: 0.1 A/terminal max., IOG: 0.1 A/termi-
nal max.
NX Unit power con-
sumption
• Connected to a CPU Unit
1.60 W max.
• Connected to a Communications Cou-
pler Unit
1.25 W max.
Current consumption
from I/O power supply
No consumption
Weight
70 g max.
Circuit layout
Installation orienta-
tion and restrictions
Installation orientation:
• 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
AMP
AG
IOV
IOG
Output V1+ to V4+ Terminal block
AG: Analog circuit
internal GND
NX bus
connector
(left)
I/O power
I/O power supply
−
I/O power
I/O power supply
−
NX bus
connector
(right)
Voltage
Voltage output
−
IOV
IOG
IOV
IOG
IOV
IOG
IOV
IOG
V1+
IOG
IOV
IOV
A1
B1
A8
B8
IOG
V2+
IOG
IOV
IOV
IOG
24 VDC
A1
B1
A8
B8
V3+
V4+
Additional I/O
Power Supply Unit
Voltage Output Unit
NX-DA3605
Содержание NX-AD series
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