TP-6953 7/1956 Section 2 Operation
2.8 Monitoring and Programming
Setup
The user programmer can access the controller data
with the controller digital display or a personal computer
(PC) with optional SiteTecht software to monitor and/or
program. Access the cont roller system with a PC using
aUSBcablewithaminiUSBplug. Refertothe
Introduction, List of Related Materials for related
software literature.
While this manual focuses on data access t hrough the
controller pushbutton/rotary selector dial and display,
most data entries require input using a PC for initial
setup. The PC entries typically include alpha characters
such as digital input descriptions.
2.8.1 PC Communications
Communicate between a PC and the generator set
controller logic using USB communication protocol. The
PC connections require optional SiteTecht software.
Contact your authorized distributor/dealer for
assistance.
Local Single Connection
A PC connects to the USB port of the generator set
controller using a mini USB connector. See Figure 2-17.
Personal
Computer
Generator Set
Controller
USB Cable
Figure 2 -17 Local Single Connection
Remote Single Connection
A modem connects a PC to a single device. The PC
communicates with the device via telephone line or an
ethernet network. See Figure 2-18.
Personal
Computer
with NIC
Remote
Network
(Modem)
Modbusr/
Ethernet
Converter
OR
Telephone
lines
Personal
Computer
Generator Set
Controller or
Transfer
Switch Control
Ethernet
Network
Personal
Computer
with NIC
Ethernet
Network
Remote
Network
(Modem)
RS-232 to
RS-485 Port
Converter
Modbusr/
Ethernet
Converter
OR
Telephone
lines
Personal
Computer
Generator Set
Controller or
Transfer
Switch Control
RS-485 up to 1220 m (4000 ft.)
Figure 2-18 Remote Single Connections
2.8.2 Modbusr Communications
The controller communicates using Modbusr as a slave
connection with the Modbusr master initiating the
communication. The controller seeks the syst em and
alternator parameters and diagnostic information then
responds back to the Modbusr master. In addition, the
controller accepts information to alter controller
parameters including generator set starting and
stopping. See Figure 2-19. Refer to the List of Related
Materials for available Modbusr literature.
Note: Only one Modbusr master can be connected to
the controller. Examples include the remote
serial annunciator and switchgear applications.
Generator Set
Controller
Modbusr Master
RS-485
up to 1220 m (4000 ft.)
Figure 2-19 Modbusr Connections
Modbusr is a registered trademark of Schneider Electric.
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