G-25
WG972-E2, DF972-E2, WSM
G GENERAL
Electronic Governor Service Tool
■
•Many applications are delivered pre-configured, calibrated,
and tuned. These units do not require the use of the Service
Tool.
The Service Tool software is used to troubleshoot the electronic
governor.
The Service Tool software resides on a PC (Personal computer)
and communicates to the electronic governor through connector
pins 4 and 6. An external RS-232 transceiver is necessary to make
communications possible with the Woodward L-Series Service Tool.
The following hardware is required to work with the L-Series
control:
communication port, and Windows 95 / 98 / 2000 / NT / Me / XP as
the operating system.
•PC-compatible laptop or desktop computer with at least one
available serial communications port, and Windows 95 / 98 /
2000 / NT / Me / XP as the operating system.
•Datalink harness
A connectivity kit (Woodward No. 8923-1061) can be purchased
from Woodward to accomplish this.
In addition to the hardware, the following are the distributions of
tool software needed to communicate with the control:
•Woodward part number 9927-1222, L-Series Service Tool.
CAUTION
•There is a potential for serial port damage when
communicating with the L-Series control. This is caused by
a difference in AC voltage between neutral and earth ground.
If the PC RS-232 port ground is referenced to AC neutral, and
the L-Series control is referenced to battery ground (AC
earth ground), a large amount of current can be experienced.
To avoid this situation, we strongly recommend placing an
isolation transformer between the AC outlet and the PC.
W10563620
(1) Connectivity Kit A : To Actuator
B : From Engine Control Harness
C : To Personal Computor
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