7ML19985CN01 Milltronics SF 500 - INSTRUCTION MANUAL Page 71
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Communications
Configuring Communication Ports
The SF 500 communications ports are setup by a series of parameters (P770 – P789)
which are indexed by port.
The communication parameters are indexed to the following:
f
indicates the factory setting.
P770 Serial protocols
The communications protocol used between the SF 500 and other devices for the
selected port, ports 1 to 3 (P770-01 to –03).
The SF 500 supports Siemens Milltronics’ proprietary Dolphin data format plus the
internationally recognized Modbus standard in both ASCII and RTU formats. It also
supports direct connection of a printer.
The Siemens Milltronics protocol is compatible with the Dolphin Plus configuration
program. See the Siemens Milltronics web site for information on this PC product
(http://www.siemens-milltronics.com/).
The Modbus protocol is an open standard developed by AEG Schneider Automation Inc.
Specifications are available from their web site (http://www.modicon.com/).
Other protocols are available with optional SmartLinx
®
cards.
Values
Port Description
1
RS-232, Terminals 31 to 33
2
RS-485, terminals 41 to 45
3
RS-232, RJ-11 modular telephone
Note: Changes to these parameters do not take effect until the power to the unit is
cycled.
0 communications disabled
f /-01 and -02
1 Siemens Milltronics "Dolphin" protocol
f l-03
2 Modbus ASCII slave serial protocol
3 Modbus RTU slave serial protocol
4printer
Note: SF 500 must be in RUN mode to allow for the print operation.
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