Black Box 945 - Manual (Page 2)

How to Use Data Communications
2
WATLOW Series 945
Page Item
3 Data Communications and the Series 945
3 Hardware Interfaces Protocols
3 Communications Wiring
4 RS-422A Interface Pinouts
5 RS-423A Interface Pinouts
(RS-232C Compatible)
6 EIA-485 Interface Pinouts
6 Connecting the Control and Computer
7 Setting Hardware Protocol Switches
7 Network Connections
7 Series 945 Communication Parameters
8 Communications Setup Parameters
10 ASCII and Series 945 Information
11 Series 945 General Message Syntax
11 Message Syntax
11 Data Rules
12 Command List
12 Example Format
13 XON/XOFF Protocol for RS-423A
13 Start and Stop Communicating with the
Series 945 and XON/XOFF
14 XON/XOFF "=" Command Example
15 XON/XOFF "?" Command Example
16 ANSI X3.28 Protocol for RS-422 & EIA-485
16 Device Address
16 Starting Communications in ANSI X3.28
17 Stopping Communications in ANSI X3.28
17 ANSI X3.28 "=" Command Example
18 ANSI X3.28 "?" Command Example
19 "?" Command
20 "=" Command
22 Data Logging
23 Table Printout
23 Statistical Process Control - SPC
24 The Difference Between Control and
Specification Limits
25 Chart and SPC Printout
26 NAKs and Error Codes
26 User Responsibility
27 Index
Figures Item
1 RS-422 Interface Wiring
2 RS-423 Interface Wiring
3 EIA-485 Interface Wiring
4 RS-422/RS-423 Switch Selection
5 General Message Syntax Example
6 XON/XOFF "=" Command Example
7 XON/XOFF "?" Command Example
8 ANSI X3.28 "=" Command Example
9 ANSI X3.28 "?" Command Example
10 Data Logging Interface Wiring
11 Table Printout Example
12 Chart & SPC Printout Example
Tables Item
1 Setup Menu Prompts and Descriptions
2 ASCII Character Set
3 ASCII Control Characters (Partial Set)
4 Address to ASCII Conversion
5 "?" Command Data and Responses,
Partial Set
6 "=" Command and "?" Command Data
7 Printer Troubleshooting
Contents