Westinghouse TECO PA7300 Series, Быстрый старт, Страница: 5 / 9

PA7300 Inverter Pump Quick Start Manual
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TECO – Westinghouse Motor Company
5
DIGITAL INPUT / OUTPUT
terminal connections
Fig’s 2a, 2b, and 2c below show the terminal connections for input control functions. The
connections shown are typical and the user is referred to the
PA7300 Manual if additional
information is required. Fig. 2d shows an example for the use of the
Fault Output Relay
.
P2
FAULT RESET SWITCH
(MOMENTARY)
P2
24VG
2 3 4
E
P1
1
Connect
shield to
terminal E
Fig. 2c Fault Reset switch connection
4
24VG 24VG 1 2
3
P1
RUN
STOP
START / STOP SWITCH
Connect
shield to
terminal E
E
Fig. 2a Start / Stop switch connection
EXTERNAL FAULT CONTACT
24VG 1 2 3 3 E
Connect
shield to
terminal E
N.O.
Fig. 2b External Fault contact connection
P1
Note
:
This external Fault Reset input is
optional. The Fault may be also
reset from the keypad.
Note
:
This external Fault input is optional.
It may be provided from any external
isolated dry contact source that is
required to shut the inverter down.
Note
:
This external Start / Stop
switch is required when
“External Contact” is
selected in parameter Sn-04 .
(See Step 5)
P2
R2C
R3A R3B R3C
Fig. 2c Fault output contacts
P2
N.O.
N.C.
Note
:
Relay contacts are rated @
250 VAC, 30 VDC, 2A or less
External warning
device such as a
flashing lamp or
buzzer
POWER
SOURCE
NOTE:
This is an example of the
use of the Fault contacts.
They could also be used to
shut down equipment etc.