Rockwell Automation Allen-Bradley IMPACT 1336 Series

4–5Component Test Procedures
Publication 1336 IMPACT-6.8 – November, 2002
Table 4.A
Diode Test
Component
Meter (+)
Lead
Meter (–)
Lead
Nominal Meter
Reading*
VR1
J7-1
J7-2
J7-2
J7-1
1.2 +/–5%
0.7 +/–5%
VR2
J7-3
J7-4
J7-4
J7-3
1.2 +/–5%
0.7 +/–5%
VR3
J7-5
J7-6
J7-6
J7-5
1.2 +/–5%
0.7 +/–5%
VR4
J8-1
J8-2
J8-2
J8-1
1.2 +/–5%
0.7 +/–5%
VR5
J8-6
J8-7
J8-7
J8-6
1.2 +/–5%
0.7 +/–5%
VR6
J8-11
J8-12
J8-12
J8-11
1.2 +/–5%
0.7 +/–5%
Note: Typical malfunction is shorted in both directions.
* Meter Used: Fluke

Model 87, set to “Diode” range.
Table 4.B
Zener Diode Test
Component
Meter
(+) Lead
Meter
(–) Lead
Nominal Meter
Reading
D78
Left
Right
Right
Left
less than 1
open
D71
Left
Right
Right
Left
less than 1
open
D72
Left
Right
Right
Left
less than 1
open
D65
Left
Right
Right
Left
less than 1
open
D66
Left
Right
Right
Left
less than 1
open
D10
Left
Right
Right
Left
less than 1
open
!
ATTENTION: Replace all guards before applying
power to the drive. Failure to replace guards may result
in death or serious injury.