Document Ref. EPD05183
(08.11.99)
ENGLISH
Part No. I380GB
issue 2
page 5
HES99300 Block Schematic
CONTROL
ELECTRONICS
CONTROL
ELECTRONICS
0v
D1
D2
D3
D4
+10v
0v
D1
D2
D3
D4
+10v
+
A
SCN
B
-
+
A
SCN
B
-
0-10v
CONTROL
0-10v
CONTROL
(S-DIM)
0VR
0V
0VR
0V
SUPPLY
INPUT
SUPPLY
INPUT
E
D1
D2
D3
D4
S L 1
S L 1
SWIT
CHED
DIMMED
SWIT
CHED
DIMMED
E
D4 IS SHOWN IN DETAIL.
D1, D2 AND D3 ARE WIRED IDENTICALLY TO D4.
1
2
3
4
N
L N
OUTPUTS
L