Rockwell Automation 1397 DC Drive Firmware 2.xx User Manual
Page 13

1–5
Introduction
Publication 1397-5.0 — June, 2001
Service Conditions
Ambient Temperature
Chassis
55
_C (131_F) maximum
Cabinet
40
_C (104_F) maximum
Altitude
Chassis and Cabinet
3300 feet above sea level
Above 3300 feet
Derate 3% for every 1000 ft above
3300 ft up to 10000 ft.
Humidity
Chassis and Cabinet
5 to 95% non-condensing
Environment
The drive should be located in an area
that is free of dust, dirt, acidic or
caustic vapors, vibration and shock,
temperature extremes, and electrical or
electromagnetic noise interference.
Regulation
Tachometer Speed Regulation
Regulation Arrangement
Speed Change
with 95% Load
Change
Speed Change
from All other
Variables
Kit Model Number
Armature voltage regulation w/IR
Compensation
2-3 %
15%
Standard
Closed Loop
( DC Tach Feedback)
1%
2%
Standard
(Pulse Encoder Feedback )
1
( RD–120 Pulse Encoder FDBK)
1
0.01%
0.01%
1397 – PE
0.01%
0.01%
1397 PE
1
Optional pulse encoder feedback kit required.
Speed Change
Operator’s Speed Adjustment
0 to rated speed
Specification Speed Range
100:1 based on top speed and
tachometer
Drive Efficiency
Drive Only
98.6% (rated load and speed)
Drive and Motor
85% typical
Note: Typical percent shown depends on motor operating speed and frame size.
Power Ratings
Displacement Power Factor
88% typical (rated load and speed)
Note: Typical percent shown depends on motor operating speed and frame size.