Figure 33 - firing series scrs (thyristors) – Rockwell Automation 23P PowerFlex DC Stand Alone Regulator and Gate Amplifier User Manual

Page 69

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Rockwell Automation Publication 23P-UM001D-EN-P - July 2012

69

Power Interface and SCR Firing Order

Chapter 5

Figure 33 - Firing Series SCRs (Thyristors)

Catalog Number - SD3K-CBLFWDPMxxx
(xxx = length in inches)
Drawing 97305100 (Forward)
Or
Catalog Number - SD3K-CBLREVPMxxx
(xxx = length in inches)
Drawing 97305300 (Reverse)

One of six twisted pair in cable.

Catalog Number: SD3K-CBLCANNONxxx
(xxx = Length in inches) drawing 97305500

Cut off the box connectors that are on the
cable ends and attach the wires directly
to the terminal block.

D-Shell to
Gate Amplifier
Output

Use bracket 608877-6A
for mounting connector

Notes:
- An external 48V gate power supply must be used to supply sufficient voltage to each gate coupler. The power supply connects to the faceplate
connector of the Gate Amplifier.

- Do not route gate leads with power wiring.

- It is suggested to use “A” and “B” suffixes on the gate lead labels to each SCR pair to aid in wiring and troubleshooting.

TB not included
with cable

To additional
gate coupling
terminal blocks

“Butt” splice to
SCR gate leads

Harness Part Number for S6: 97305401
Drawing 97305400

Harness Part Number for S6R: 97305402
Drawing 97305400

Notes:
- 97305401 contains six twisted pairs
labeled, “1THY” through “6THY”.

- 97305402 contains two sets of six twisted
pairs labeled, “1THY” through “6THY” and
“11THY” through “16THY”, respectively.

“A”

“B”

Gate Coupler

Gate Coupler

H2

(WHT)

H1

(RED)

H2

(WHT)

H1

(RED)

G

K

G

K

G1, WHT

G1, RED

G2, WHT

G2, RED

G3, WHT

G3, RED

G4, WHT

G4, RED

G5, WHT

G5, RED

G6, WHT

G6, RED

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