Rockwell Automation 825-P_ Bul 825 Motor Protection Relay Installation - Manual (Page 2)

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PN-33257
DIR 10000032085 (Version 01)
Wiring the Main Circuit
L1 L2 L3 F1
F2
F3
L1
L2
L3
N
825-P
Direct Connection (Wye)
L1 L2 L3 F1
F2
F3
L1
L2
L3
N
825-P
Wye-Wye VT Connection
L1 L2 L3
F1
F3
L1
L2
L3
N
825-P
Open-Delta VT Connection
F1, F2 and
F3 are fuses
Fig 2 Voltage Connections
Option Card Cat No. 825-PVS is required
A1
A2
K1
1
2
3
4
5
6
825-P 825-MCM
M
3 -
Converter Module
Cat No.825-MCM2
Cat No.825-MCM20
Cat No.825-MCM180
Cat No.825-MCM630
Cat No.825-MCM630N
Fig 3 Relay Without Phase CTs
L1 L2 L3
T1
T2
S1 S2
1
2
3
4
5
6
825-P 825-MCM
Converter Module
Cat No.825-MCM2
Cat No.825-MCM20
T1 primary current transformer ...A/5 A or .A/1A
T2 core balance transformer
Current ratio of core balance CT 1 2000:1
Output from core balance CT 0 500mA
M
3 -
Transformer T2 circuit and the 825-P relay chassis must be grounded
in the relay cabinet. This will minimize susceptibility to noise in the ground
current measurement
Fig 4 Relay With phase CTs and Core Balance CT
See the option card or user manual for input voltage rating
Slots C,D,and E are for option cards
Fig 5 Input/Output
Z E D C B A FRONT
PORT F
EIA-232
1 N/C
2 RXD
3 TXD
4 N/C
5,9 GND
6 N/C
7 RTS
8 CTS
Y14
Y1
Y12
24V
IN1
IN2
95 95
98
98
96
96
TRIP
NON-
FAIL-SAFE
FAIL-SAFE ( )
24
23
14
13
A2
A1
AUX2
AUX1 (ALARM)
-/N
+/H
POWER
GND
RX
RTD
MODULE
PTC
T1
T2
3
M
S2
S1
CBCT
2
1 3
4
5
6
MCM/
CWE
MCM/
CWE
300V L-N
MAX 157-0138
L1
L2
L3
N
L1
L2
L3
N
FOR FUSE
REQUIREMENTS SEE
INSTRUCTION MANUAL
Y2
Y26
Y24
Y22
IN5
IN4
IN3
ANALOG
OUT A
I +
I -
33
34
43
44
53
54
63
64
AUX6
AUX5
AUX4
AUX3
157-0136
198-0409
Wiring the Control Circuit
DEVICENET
BUS
STATUS
NETWORK
STATUS
NODE ADDRESS
(00-63,PGM)
MSD
LSD
DATA
RATE
0=125K
1=250K
2=600K
AUTO
BAUD
0
2
4 6
8
0
2
4 6
8
0
2
4 6
PGN
∑
TRIP
V-
V+
CAN_L
SHIELD
CAN_H
L1 L2 L3