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model 2000 DeviceNet Module Manual (DN611/DN611A)
Chapter 3 Preparations for Operation (Hardware)
3
3.5.3
Network power unit (24 VDC)
Purchase network power units because they are not supplied with the DN611.
Use network power units that meet the following specifications:
Table 3-3 Network Power Unit Specifications
Item
Specifications
Output voltage
24 VDC
±
1%
Output current
16A or less
Input fluctuations
0.3 % maximum
Load fluctuations
0.3 % maximum
Effects of ambient temperature
0.03 %/
o
C maximum
Input Voltage
120V
±
10%
230V
±
10% (if necessary) or automatic changeover within
range of 95 to 250 V
Input frequency
47 to 62 Hz
Output ripple
250 mVp-p
Output capacity
7000
µ
F
Ambient temperature
Operating: 0 to 60
o
C*
Storage: -40 to 85
o
C
* : Rated output at 60
o
C can be derated.
Instantaneous maximum output
current
Less than 65 A (at peek)
Protection against overvoltage
Provided (No value specified)
Protection against overcurrent
Provided (Maximum current: 125%)
Startup time
250 ms till 5% of the final output voltage
Overshoot at startup
0.2% maximum
Stability
0 to 100% load (under all conditions)
Insulation
Between output and AC power unit; between output and
cabinet grounding
Conformity
Required: UL
Recommended: FCC Class B, CSA, TUV, VDE
Ambient humidity
20 to 90% (no condensation)
Surge current capacity
10% of reserve capacity
Usage Recommendations
1. Use a network power with a capacity much greater than the total current consumption neces-
sary for the network.