Allen-Bradley Bulletin 825 Instructions De Montage page 3

Installations and Dimensions
Wiring the Main Circuit
825-M* and 825-MCM*
without main current
transformer
Fig. 1
Input module type:
825-MCM2
825-MCM20
825-MCM180
825-MCM630
825-MCM630N
Wiring the Control Circuit
Option 825-MMV
Fig. 5 a)
1T1 / 1T3 / 1T2...6T1 / 6T3 / 6T2
Inputs PT100 # 1...PT100 # 6
Temperature monitoring stator
winding and motor bearings.
Leads up to 10 m twisted, over
10 m screened.
Connect screen to xT2.
7T1 / 7T3 / 7T2
Input PT100 # 7
Temperature monitoring of coolant.
Leads up to 10 m twisted, over
10 m screened.
Connect screen to xT2.
All installations, commissioning and maintenance must be carried
out by qualified personnel, taking local regulations into account.
Pay attention to the System Manual.
see page 9, Fig. 6 / 7 / 8
see page 8
825-M* and 825-MCM* with
main current transformer
Fig. 2
Main current
transformer:
n A / 1 A
n A / 5 A
see page 8
Option 825-MLV
Fig. 5 b)
53 / 54
Auxiliary relay Aux # 4:
IEC 400 VAC / 125 VDC
UL / CSA 240 VAC / 125 VDC
I = 4 A
th
63 / 64
Auxiliary relay Aux # 5:
IEC 400 VAC / 125 VDC
UL / CSA 240 VAC / 125 VDC
= 4 A
I
th
L1 / L2 / L3
Connection of phase voltage of
main circuit for phase sequence
and phase failure protection.
Series fuse 100 mA fast.
Above 400 VAC
(UL / CSA 240 VAC)
with voltage trans-
former.
Input module
type:
825-MCM2
825-MCM20
Option 825-MST
Fig. 5 c)
23 / 24
Auxiliary relay Aux # 1:
IEC 400 VAC / 125 VDC
UL / CSA 240 VAC / 125 VDC
I = 4 A
th
33 / 34
Auxiliary relay Aux # 2:
50 VAC / 30 VDC
I = 4 A
th
43 / 44
Auxiliary relay Aux # 3:
50 VAC / 30 VDC
I = 4 A
th
I+ / I-
Analog output of thermal motor
load, motor temperature (PT100),
motor current
4...20 mA, 0...300 W
- Indicating meter 825-MTUM
- PLC input
- Recorder
Leads up to 100 m twisted, over
100 m screened.
Y31 / Y32
Control Input # 1:
24 VDC / 24 VAC
Y41 / Y42
Control Input # 2:
24 VDC / 24 VAC
T1 / T2
PTC connection, max. 6 PTC in
series.
Leads up to 100 m twisted, over
100 m screened.
Connect screen to T2.
m 200 300 400 600 1000
mm 20.5 0.75 1 1.5
k / l
Input to summation current
transformer 5...500 mA.
English
825-M* and 825-MCM* with two-
phase main current transformer
and summation current trans-
former
Fig. 3
Main current Input module
transformer: type:
n A / 1 A 825-MCM2
n A / 5 A 825-MCM20
Summation current transformer:
Output current 5-500 mA, Connection k / l
Basic unit 825-M*
Fig. 5 d)
A1- / A2+
AC supply:
Voltage as printed on AC module,
see 1 Fig. 4.
DC supply:
Voltage as printed on DC module,
see 1 Fig. 4.
Note potential.
Y11 / Y12:
Emergency start of thermal trip
with push button or key-switch.
Y11 / Y13
Means of blocking settings with
jumper, push button or key-switch.
Y21 / Y22
Remote reset with push button or
key-switch.
13 / 14
Alarm contact:
IEC 400 VAC / 125 VDC
UL / CSA 240 VAC / 125 VDC
= 4 A
I
th
95 / 96 / 97 / 98
Main relays:
95 / 96 NC contact
97 / 98 NO contact
IEC 400 VAC / 125 VDC
UL / CSA 240 VAC / 125 VDC
= 4 A
I
th
When the main relay
MR is connected in the
non-fail-save mode, then
the terminal markings on
the unit have to be
adapted using the
2.5 marking strip
supplied.
3