Download Series 942

Contents
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Data Communications and the Series 942
Hardware Interfaces Protocols
Communications Wiring
RS-422A Interface Pinouts
RS-423A Interface Pinouts
(RS-232C Compatible)
EIA-485 Interface Pinouts
Setting Hardware Protocol Switches
Network Connections
Connecting the Control and Computer
Communications Parameters
ASCII and Series 942 Information
Communication Software
Series 942 General Message Syntax
Message Syntax
Data Rules
Command List
Example Format
XON/XOFF Protocol for RS-423A
Start and Stop Communicating with the
Series 942 and XON/XOFF
XON/XOFF "=" Command Example
XON/XOFF "?" Command Example
ANSI X3.28 Protocol for RS-422 & EIA-485
Device Address
Starting Communications in ANSI X3.28
Stopping Communications in ANSI X3.28
ANSI X3.28 "=" Command Example
ANSI X3.28 "?" Command Example
"?" Command
"=" Command
"? MDL" Command
"? MTR" Command
"? STP" Command
"= HOLD" Command
"= RESU" Command
"= STRT" Command
"= STP" Command
Data Logging
NAKs and Error Codes
User Responsibility
Index
WATLOW Series 942
Figures
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Tables
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Item
RS-422 Interface Wiring
RS-423 Interface Wiring
EIA-485 Interface Wiring
RS-422/RS-423 Switch Selection
General Message Syntax Example
XON/XOFF "=" Command Example
XON/XOFF "?" Command Example
ANSI X3.28 "=" Command Example
ANSI X3.28 "?" Command Example
Data Logging Interface Wiring
Data Logging Printout Example
Item
ASCII Character Set
ASCII Control Characters (Partial Set)
Address to ASCII Conversion
"?" Command Data and Responses,
"=" Command and "?" Command Data
"? MTR" Command Response Data
"? STP" Command Response Data
"= STP" Command Data
Printer Troubleshooting
How to Use Data Communications