Appendix A
A -1
Revision 2 - 26 April, 2000
HP SERIES DIMMER
TECHNICAL MANUAL
Appendix A
History of Modifications
HP12-TR
Serial Number
Modification
J94281
Version: V1.0
K94733
Software version V1.1
R27 on CPU card changed from 3K3 to 4K7 for wider zc pulses
L94188
Software version V1.1A
B95176
Software version V1.1D
R1, R2, R3 on Output card changed from 5R6 to 15R for mains tone filtering
CF3, CF4, CF5 on Output card changed from 47uF bipolar to 33uF bipolar
R27 on CPU card changed from 4K7 to 6K8 for wider zc pulses
Q1, Q3, Q4 on CPU card changed to BCX19
Q2 on CPU card changed to BCX17
F95531
Opto1 – Opto12 on Output card changed from MOC3052 to BRT12
RG1 – RG12 on Output card changed from 330R to 100R
G95101
Software version V1.1E (neutral-detect disable)
I95171
Software version V1.1F (better 110V curve)
HP6
Serial Number
Modification
C95710
Software version: V1.1D
D95191
Output card changed to HP6OPCB5 Ver5
I95201
Software version: V1.1F (better 110V curve)
Summary of Contents for HP6
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