Parker 590 series - Page 215

Standard and Optional Equipment 13-7
590 Series DC Digital Converter
A+
L1 L2
L3
A-
TH3TH1 TH5
TH2TH6TH4
F+
F-
ACCT. PRESENT
VDR1
VDR2
VDR3
ACCT.
0VL
PL K
D4
D3
OR
BK
RD
YL
F12
11
10
KG1G2
FIELD REGULATOR
FIRING CIRCUITS
PLP
PLR
F16
F8
INTERMEDIATE
CONNECTION FOR
INT. FIELD WIRING
F16A
F8A
D2
D1
EXT. FIELD
AC SUPPLY
EXT.A+
A+
L1
L2L3
A-
EXT.A-
SUPPRESSION
BOARD
AH 386001
POWER
BOARD
AH 385621
TH4 Y & R TH6 Y & R TH2 Y & R
UPPER
HEAT
SINK
A-
R
Y
CA
TH1 Y & R TH3 Y & R TH5 Y & R
LOWER
HEAT
SINK
A+
Y
R
A
C
TH1 TH4
TH3
TH6
TH5
TH2
AH 055036 U003
TRIGGER BOARD
SHOWING GATE/CATHODE
CONNECTOR POSITIONS
kg
TH1
TH4
TH3
TH6
TH5
TH2
FS2 FS3 FS4
12
3
4
5
6
7
8
G1 K1
FIELD
CURRENT
CT
Figure 0-7 2 Quad Power Circuit - 451-720A Models using AH385621U001