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Allen Bradley PLCs
Mars MEQ 430 bar code readers
Mitutoyo gages
Opto R-S simplex-duplex adapter used with
Fowler/Sylvac calipers
Radio Shack volt meters
Starrett Micrometers
Sunbeam Freightmaster 400 Electronic Scale
Allen Bradley PLCs use a proprietary high-level communications
protocol. So, even though they typically communicate through
a standard serial connection, you cannot use SoftwareWedge
to communicate with them unless you know the specifics of
their communications protocol and can implement it in a macro
in the target application. Allen Bradley refuses to release
the details of their communications protocol, apparently
in an effort to force customers to use their proprietary
communications software.
Std Settings: 9600 Baud, _, _, _, no flow control
Mitutoyo gages do not have RS232 output; however, there
are several devices available that will convert the Mitutoyo
output to RS232 format and thus allow you to use WinWedge
to collect data directly into your favorite Windows program.
Mitutoyo also carries a product called the MUX 10, however
it is fairly expensive. The two companies that we recommend
for Mitutoyo to RS232 converters are:
Gagetalker Corp.
11415 NE 128th street
Kirkland WA 98034-6332
Tel: 206-821-3200 or 800-955-7100
Fax: 206-820-0437
GageTalker makes a product called a GagePort that sells
for around $400 to $500. The GagePort has 4 input ports for
4 gages and one RS232 port for connecting to a PC.
Gage Connections
1270-F Rankin
PO Box 99191
Troy MI 48099-9191
Tel:810-585-6716
Fax:810-585-7408
Gage Connections makes a product called a SmartCable that
is simply a cable that converts
the Mitutoyo output to RS232. It sells for $169.
RTS line must be low (standard is high): set flow control
to "Opto-RS"
RTS line must be low (standard is high): set flow control
to "Opto-RS"
Std Settings: 4800, E, 7, 1, none.
Std Settings: 2400, N, 8, 2, None.
Data Format: <STX> XXX ###.# <CR>
Cable Information:
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For IBM PC with 25-D connector :
SCALE ----------------------------------COMPUTER
2 TXD --------------------------------------------
3 RXD
5 GND --------------------------------------------
7 GND
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For IBM PC with 9-D connector :
SCALE -----------------------------------COMPUTER
EXCHANGE CONNECTOR
2 TXD --------------------\ /--------------------- 2 RXD
X
5 GND --------------------/ \--------------------- 5 GND
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