Rockwell Automation 2364E Non-Regenerative DC Bus Supply Unit (NRU) - Manual (Page 34)

Publication 2364E-5.01 April 2002
4-2 Your 900A DC NRU (Current Code C)
900A DC NRU Electrical Schematic
Figure 4.2
Typical 900A DC NRU Schematic
RIO 2
INPUTS
STATUS
SCOM
S4
S3
S2
S1
RS-232
RXD
SHLD
SG
TXD
RS-485
SHLD
-
+
SHLD
VOLTAGE
INPUTS
CURRENT
INPUTS
BULL 1403-MM05A
MASTER MODULE
Powermonitor II
X2 X2
CT3
H1 X1 H1 X1
N
V1
V2
V3
I3+
I3-
I4-
I4+
I1+
I1-
I2+
I2-
L2 (-)
BULL
1403-NSC
1
R21
R22
R12
R24
R14
R11
ANALOG
INPUT
AIN
ACOM
CONTROL POWER
POWER
L1 (+)
EA1
115 VAC NRU
TX
RX
L1(+)
L2 (-)
EA1-A
CR1
A B C
SENSOR
3
5
6 2
FLOW
B
1
3
Y
R
S5
1
EA5
ACG
ACN
-
24 VDC
ACL
+
PS1
CONTROL
115VAC NRU
115 VAC NRU
CONTROL
POWER
POWER
CT1
CT1
PE
PE
PE
3-Phase
AC Input
SP1
SP2
SP3
SP4
F11
F13
F14
F16
F12 F15
PE
CB1
A
J2 J2
J1
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AM1
BULL
1403-DMA
GRD
RX
TX
DISPLAY
MODULE
EA3
L1
L2
L3
C O M M O N
VM
2
2 4 6
(INPUT)
METER RELAY
10
(115VAC)
12 9 7
115 VAC NRU
CONTROL
POWER
TB2-1 TB2-2
TB1-7
TB1-8
PE
TO CONTACTOR
MONITORING
CIRCUIT
TO POWER TRANSFORMER
GROUNDING RESISTOR
TO CONTACTOR
MONITORING
CIRCUIT