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Section 2 Transmission Media and Components
Network Voltage Tolerance Design Stack Up
9ARD000015-600
55
Network Voltage Tolerance Design Stack Up
outlines the stack up of tolerances leading to +/- 4% required by the
DeviceNet. By using the specification provided, performance trade-offs can be
made on the power supply and the Schottky diode specifications to meet the
Temperature Coefficient
0.03% per degree C maximum
Output Ripple
250 mV p-p
Load Capacitance Capability
7000 uF maximum
Temperature Range
Operating
(1)
: 0° C ... +60° C
Nonoperating: -40° C ... +85° C
Inrush Electric Current Limit
Less than 65 Amps peak
Over Voltage Protection
Yes (no value specified)
Over Electric Current Protection
Yes (electric current limit 125% maximum)
Turn-on Time (with full load)
250 msec maximum/5% of final value
Turn-on Overshoot
0.2% maximum
Stability
0 to 100% load
(all conditions)
Isolation
Output isolated from AC and chassis ground.
Output Voltage
24 Volts +/- 1%
Output Electric Current
Upto 16 A continuous
Surge Electric Current Capability
10% reserve capability
(1) De-rating acceptable for 60° C operation.
Table 48. DeviceNet Power Supply Specifications (Continued)
Specification
Parameter