Murphy Autostart AS731 Operating Instructions

Autostart AS731/AS732 Generator Controller
Operating Instructions
Please read the following information before operating. Before using this product, it is your responsibility to
ensure that it has been correctly installed by qualified mechanical and electrical technicians.
1. Introduction
The Autostart AS731 and AS732 are full-function,
programmable controllers for automatic or manual
running of a standby generator. The modules include
comprehensive measurement and display of engine
and generator parameters, with automatic plant
protection and operator warning in the event of faults.
All units are fitted with an RS232 communication link
that allows remote configuration, monitoring and
control using Murphy PC software. AS732 units
additionally have RS485 MODBUS facility, allowing
communications with other AS732 units, or PLC,
SCADA and building management systems.
This document details the user operation of the AS731
and AS732. Further information on the specification,
electrical connection and set up may be found in the
following documents:-
Doc. ref. Title
ms6127 AS731 bulletin and technical spec.
ms6343 AS732 sales bulletin and technical spec.
mi6128 AS731/732 installation A: electrical connection
mi6129 AS731/732 installation B: programming
mi6131 AS731/732 and AS7CN PC comms software
2. Front facia and controls
As shown in the diagram right, the front facia contains a
liquid crystal display (LCD), two mode indicating LEDs
and 5 operator control keys.
2.1 Display
The 2 line by 16 character, backlit LCD provides
continuous information about the system status.
Automatically scrolled messages indicate operating
mode, engine status, generator parameters (e.g. VAC,
Hz, Amps), timer progress and fault conditions.
i
Press the key to manually scroll to additional system
information (see 2.3.4 below).
Examples of LCD messages are given in section 3.
In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time.
MURPHY, the Murphy logo, are registered and/or common law trademarks of Murphy Industries, Inc. This document, including
textual matter and illustrations, is copyright protected by Frank W Murphy Ltd., with all rights reserved. © 2007 Frank W Murphy Ltd.
FRANK W. MURPHY LTD.
Church Rd, Laverstock,
Salisbury, SP1 1QZ, United Kingdom
tel: +44 1722 410055
fax: +44 1722 410088
email: sales@fwmurphy.co.uk
web: www.fwmurphy.co.uk
Front facia
1. 2 line x 16 character backlit liquid crystal display
2. Operator control keys:
Off/reset
On/Auto mode
Manual mode start
Manual mode stop
Info (scroll display)
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3. Auto/manual mo de LED indication
2.2 Mode Indicators
Two LEDs at the right of the front facia provide 'at-a-
glance' indication of operating mode:-
This green LED lights when the Autostart is in Auto
mode and flashes when RS232 communication is in
progress, e.g. during remote control via a modem link.
This amber LED lights when the Autostart is in manual
mode. When the operator selects manual mode from
the front facia, the RS232 communication link can be
used to monitor, but not control) the Autostart.
FW MURPHY
PO Box 470248
Tulsa, Oklahoma 74147, USA
tel: +1 918 317 4100
fax: +1 918 317 4266
email: sales@fwmurphy.com
web: www.fwmurphy.com
mi6130
th
revision B, 10 Sept 2007
catalogue section 75