Rockwell Automation 20D DC SCR Precharge Module User Manual
Page 21
Installation/Wiring
1-11
Figure 1.9 Typical Power and Control Wiring of DC SCR Precharge Module for
1336 PLUS II Drive Applications
EA1
1336F Control Board
ENABLE
30
29
28
COMMON
SPD SEL 1
27
25
26
SPD SEL 2
COMMON
SPD SEL 3
23
24
21
22
AUXILIARY
JOG
COMMON
REVERSE
Terminal Block TB3
TB3
20
19 START
STOP
MOD-L6
115 VAC
Interface Board
TB1A
DC+
TB2A
Thermostats
Precharge Module
-DC
+DCout
+DCin
EA10
+
-
2
1
2
1
3
1
1
2
3
OUT
IN
2
6
7
5
4
CR
CR
EA11
11
CR
8
12
10
9
D3
D1
D2
1
K
A
AK
K
A
AK
1
1
K
A
AK
To
Drive
Input Power
120 VAC
From
Control Power
Bridge
Thermostats
Snubber
Board(s)
6-Pulse Diode Bridge
Bridge
Fans
Neutral
Phase
1336F Control
NORMAL
BYPASS
2-3
1-2
(W3) JMP3
X
X
(W2) JMP2
1-2
2-3
BYPASS
INTLK
24 VDC
120 VAC
2-3
1-2
(W1) JMP1
X
A2 Precharge Board Jumper Settings
➊
➊
Remove jumpers when 24 VDC input power is wired
to TB2A-1 and TB2A-2 for interlocking with system
power. Then 120 VAC power must be connected to
TB2A-3 and TB2A-4.
For jumper locations, see
.