EGCP-2 Communications Manual 26181
2 Woodward
ServLink Overview
Woodward’s ServLink and EGCP-2 HMI monitoring software package are
located on a single Compact Disc which ships with every unit. These software
tools are used together to establish communications with, and serve as a
monitoring and configuration interface for, the EGCP-2 platform.
When installed on a computer, the ServLink and EGCP-2 HMI files will reside in
the same directory, typically on the hard drive of the computer they are installed
on. Icons associated with the executable files for both the ServLink and EGCP-2
HMI software will be automatically generated upon installation.
These icons are used to run the programs. Using the computer’s RS-232 serial
port, the ServLink software establishes a direct serial communication link
between the computer and the EGCP-2. The ServLink software may also be
configured to operate via a modem for remote communications to the EGCP-2
control(s).
The ServLink software must always be started before the EGCP-2 HMI software
can be run. The ServLink software provides a bridge between the control and the
computer making the data from the control available to the computer software
applications.
The EGCP-2 software duplicates the front panel of the EGCP-2 hardware
platform. All the monitoring information which can be obtained from the hardware
can also be accessed by the EGCP-2 software in a format which is identical to
that of the hardware. This makes the software very familiar to those accustomed
to the EGCP-2 control keypad functions and LCD readout displays.
Specifications
Communications:
• RS-422 protocol
• 9600 Baud (fixed maximum)
• No Parity
• 1 Stop Bit
Minimum Computer Requirements:
• Pentium® 133 MHz PC
• 32 MB of RAM
• Windows® 95, 98, NT 4.0, and 2000 or greater (Windows NT or 2000
preferred)
Modem Requirements:
• Transmitting Modem:
o 9600 Baud Capability (minimum)
o 8 Data Bits
o No Parity
o 1 Stop Bit
• Receiving Modem:
o 9600 Baud Capability (minimum)
o DTR :OFF
o Echo Offline Commands: OFF
o Auto Answer: ON
o Smart Mode (if applicable): ON
o Handshaking: OFF
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