MA7200 PLUS Operating Manual
TECO – Westinghouse Motor Company App-2 Fan and Pump
2.1 (3- 75 HP) MA7200 PLUS Block Diagram
Fig. 2.1.1 below is an overall basic electrical connection diagram for the
MA7200 PLUS 3 – 75 HP
. It is used in
conjunction with the other sections of this guide to give the user the ability to successfully start up a Fan or Pump
application.
T1(U)
T2(V)
T3(W)
L1(R)
L2(S)
L3(T)
L1(R)
L2(S)
L3(T)
MCCB
*ACL
NOTE : DC Link Reactor is
included in 230V: 20-40 HP and
460V: 40-75 HP.
RUN / STOP
EXTERNAL FAULT
FAULT RESET
1
2
24VG
3
4
5
6
7
8
+24V
3 Ø
INDUCTION MOTOR
DIGITAL INPUTS
(0V)
24VG
E
A01
A02
NOTE : GROUND TO BE
100
Ω
OR LESS
E
R1A
R1B
R1C
R2A
R3C
D01
D0G
FAULT CONTACTS
OUTPUT
250 VAC / 30 VDC @ 2A
(SEE FIG. 4.2d)
NOTE : For inverters rated at
3 – 75 HP , the digital inputs
can be configured to operate in
the SINK or SOURCE mode. The
inverter is configured at the
factory for SINK mode (i.e.
jumper TP2 is installed in the
SINK position).
MA7200 PLUS
3 to 75 HP
SHIELD
(SEE FIG’s 4.2a,4.2b, and 4.2c)
NOTE
:
For
SINK
mode connect to
24VG and set jumper TP2
to the
SINK
position.
(
Factory Default
)
SINK
SOURCE
TP2
NOTE
:
For
SOURCE
mode connect
to 24VG and set jumper TP2
to the
SOURCE
position.
IP12
IG12
A (+)
A (-)
S (+)
S (-)
RS485
PORT
ENCODER
CONNECTIONS
FAN
PUMP
or
(0 – +10V)
PID Feedback
+12V
VIN
AIN
AUX
GND
SHIELD
(SEE FIG’s 5a,5b and 5c)
Voltage
Feedback
Current
Feedback
(4 – 20 mA)
(250
Ω
)
or
+12 VDC supply can be used for external
functions such as powering PID feedback
devices. (not to exceed 20 mA max.)
ANALOG OUTPUTS
(0 – 10V)
OUTPUT RELAY
CONTACTS
250 VAC / 30 VDC @ 2A
OPEN COLLECTOR
OUPUTS (35 VDC Max.)
* AN ACL is
recommended when
a DC Link choke is
not used.
Fig. 2.1.1 (3 to 75 HP) MA7200 PLUS Fan or Pump Application Diagram