Rockwell Automation Allen-Bradley 1606-XLB90E, Справочное руководство

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16 Rockwell Automation Publication 1606-RM121A-EN-P - October 2020
Safety and Protection
Features
Dielectric Strength
The output voltage is floating and has no ohmic connection to the ground.
Double or reinforced insulation insulates the output to the input.
It is recommended that either the + pole or the – pole shall be connected to the
protective earth system. This helps to avoid situations in which a load starts
unexpectedly or cannot be switched off when unnoticed earth faults occur.
The manufacturer conducts type and routine tests. Field tests may be
conducted in the field using the appropriate test equipment, which applies the
voltage with a slow ramp (2 s up and 2 s down). Connect all phase-terminals
together and all output poles before conducting the test. When testing, set the
cutoff current settings to the value in the following table.
Figure 21 - Dielectric Strength
Attributes Values Notes
Isolation resistance
Min 500 MΩ At delivered condition between input and output, measured with 500V DC
Min 500 MΩ At delivered condition between input and PE, measured with 500V DC
Min 500 MΩ At delivered condition between output and PE, measured with 500V DC
Output overvoltage protection
Typ 30.5V DC —
Max 32V DC —
—
If there is an anomaly inside the power supply, a redundant circuit limits the maximum output voltage to
32V. The output shuts down. To attempt a restart, turn the input power off for at least 90 s.
Class of protection — I According to IEC 61140
Degree of ingress protection — IP20 According to EN/IEC 60529
Over-temperature protection — Not included —
Input transient protection —
Metal Oxide Varistor
(MOV)
For protection values, see Electromagnetic Compatibility on page 14 .
Internal input fuse — Included Non-user-replaceable, slow-blow, high-braking capacity fuse
Touch current (leakage current)
Typ 30 µA / 60 µA At 100V AC, 50 Hz, TN-,TT-mains / IT-mains
Typ 40 µA / 90 µA At 120V AC, 60 Hz, TN-,TT-mains / IT-mains
Typ 70 µA / 140 µA At 230V AC, 50 Hz, TN-,TT-mains / IT-mains
Max 40 µA / 70 µA At 110V AC, 50 Hz, TN-,TT-mains / IT-mains
Max 50 µA / 110 µA At 132V AC, 60 Hz, TN-,TT-mains / IT-mains
Max 90 µA / 180 µA At 264V AC, 50 Hz, TN-,TT-mains / IT-mains
Test or Setting Time A B C
Type test 60 s 2500V AC 3000V AC 1000V AC
Routine test 5 s 2500V AC 2500V AC 500V AC
Field test 5 s 2000V AC 2000V AC 500V AC
Cutoff current setting for field test — > 2 mA > 2 mA > 6 mA
A
C
L
Input
Earth, PE
Output
+
-
N
B