Milltronics ACCUMASS BW500 - Configuring Communication Ports; P770 Serial Protocols

PL-565 Accumass BW500 Page 115
Communications
Configuring Communication Ports
The BW500 communications ports are setup by a series of parameters (P770 –
P789) which are indexed by port.
The communication parameters are indexed to the following:
Port Description
1 RS-232, terminals 31 to 33
2 RS-485, terminals 41 to 45
3 RS-232, RJ-11 modular telephone
f indicates the factory setting.
Note:
Changes to these parameters are not effected until the power to the unit is turned
off and then back on.
P770 serial protocols
The communications protocol used between the BW500 and other devices for the
selected port, ports 1 to 3 (P770-01 to –03) .
The BW500 supports 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 Milltronics protocol is compatible with the Dolphin Plus configuration program.
See the Milltronics web site for information on this PC product
(http://www.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
0
communications disabled
f/-01 and -02
1
Milltronics “Dolphin” protocol
f/-03
2 Modbus ASCII slave serial protocol
3 Modbus RTU slave serial protocol
4 printer
Note:
BW500 must be in run mode to allow for the print operation.