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Chapter 5 - Power Chassis Installation
5.1
Environmental and Facility Requirements
Ambient Air Quality
Temperature: 5° to 40° C (41° to 104° F)
Relative humidity: 5 to 90% non-condensing
When the Adept PA-4 is installed in a user-supplied cabinet, you must provide adequate
cooling to maintain the above requirements.
5.2
Power Chassis Installation
See also Chapter 3 for an overview of the power chassis and amplifiers.
Power Chassis Models
There are two models of the Adept PA-4 power chassis used with the Adept 550 robot —
Model 3303 and Model 3306. The model number is the 4-digit prefix of the chassis serial
number. This is displayed on a small label on the front of the chassis, just above the on/off
power switch. (The serial number and voltage ratings are also displayed on a bar-code on
the main rating plate, which is located on the side of the chassis.) The power chassis serial
number prefix will be either 3303 or 3306.
Connecting to AC Power, Model 3303 Power Chassis
Power Requirements for Model 3303 Power Chassis
The Adept PA-4 Model 3303 is recommended to be used with three-phase 208-240V, if
available. It can also be operated from single-phase 220V-240V, but this single-phase oper-
ation is limited to a single Adept 550 robot. Any other robot configurations require
three-phase operation.
Adept PA-4 Power Chassis Model 3303 Power Requirements
Table 5-1.
Nominal
Voltage
Range
208V to 240V
208V to 240V
If your facility voltage is outside the range listed above, you must supply an external
transformer. Model 3303 is not configurable for other voltages.
30
Adept 550 Table-Top Robot User's Guide, Rev A
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Minimum
Frequency/
Operating
Phasing
Voltage
50-60Hz,
188V
3-phase
50-60Hz,
188V
1-phase
Recommended
Maximum
External
Operating
Circuit Breaker
Voltage
(user-supplied)
264V
20 amps
264V
20 amps
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