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Chapter 4 - System Installation
shall be controlled not to exceed overvoltage Category II, i.e., not higher than the impulse
voltage corresponding to the rated voltage for the basic insulation. The user-supplied
equipment or transient suppressor shall be capable of absorbing the energy in the
transient.
In the industrial environment, nonperiodic overvoltage peaks may appear on mains
power supply lines as a result of power interruptions to high-energy equipment (such as a
blown fuse on one branch in a 3-phase system). This will cause high current pulses at
relatively low voltage levels. The user shall take the necessary steps to prevent damage to
the robot system (such as by interposing a transformer). See IEC 1131-4 for additional
information.
AC Power Diagrams
3Ø
200–240VAC
L1
L2
L3
Note: F4 and F5 are user-supplied, must be slow blow.
F5 10A
200–240VAC
F4 10A
E
User-Supplied
AC Power Cable
E
N
L
L = Line 1
N = Line 2
E = Earth Ground
<strong>Adept</strong> <strong>Cobra</strong>
s600/s800 and
<strong>i600</strong>/i800 Robots
1Ø 200–240VAC
Figure 4-5. Typical AC Power Installation with Single-Phase Supply
3Ø
200–240VAC
L1
L2
L3
Note: F4 and F5 are user-supplied, must be slow blow.
F5 10A
200–240VAC
F4 10A
E
User-Supplied
AC Power Cable
E
N
L
L = Line 1
N = Line 2
E = Earth Ground
<strong>Adept</strong> <strong>Cobra</strong>
s600/s800 and
<strong>i600</strong>/i800 Robots
1Ø 200–240VAC
Figure 4-6. Single-Phase AC Power Installation from a Three-Phase AC Supply
44 <strong>Adept</strong> <strong>Cobra</strong> <strong>i600</strong>/i800 Robot User’s <strong>Guide</strong>, Rev B