Summary of Contents for SP Scientific FTS Systems RC211
- Page 1 ’ ECIRCULATING OOLER PERATOR ANUAL FTS S RC211 YSTEMS LTRA EMPERATURE ECIRCULATING OOLER...
- Page 2 The connections used within the interface will be limited to: Signal Ground Transmit Data Receive Data Request to Send Clear to Send Data Terminal Ready Data Set Ready Rev 006, 04/12 © SP Scientific 2012...
- Page 3 RS-232 Programmer’s Reference FTS Systems RC211 The RS-232 Port on the rear of the Multi-Cool requires either a custom wired cable or a null modem adapter, also referred to as a crossover cable or rollover cable. The custom wired cable will be a direct connection between your computer terminal and the Multi-Cool.
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Page 4: Communication Data
RS-232 Programmer’s Reference FTS Systems RC211 The pinout for both the custom wired cable and the null modem adapter is as shown below: All other signals of the RS-232 standard are immaterial to this application, or terminated, as appropriate. Communications Communication operates at a user definable BAUD rate selectable from 300, 1200, 2400, 9600. -
Page 5: Received Data
RS-232 Programmer’s Reference FTS Systems RC211 Received Data Data may be transmitted at any time by the host. Status queries will be answered whether or not the unit is in local or remote. Any change in system status (except "Goto Remote") requested via the RS-232, however, will require that the unit be in the "remote"... - Page 6 RS-232 Programmer’s Reference FTS Systems RC211 Parametric Command A parametric command describes a function/command for which a value must be specified. The command characters must be followed by an "equals sign" ("=") (ASCII 061 decimal / 3D hex), and a data string of decimal value.
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Page 7: Transmitted Data
RS-232 Programmer’s Reference FTS Systems RC211 Transmitted Data It is anticipated that in a remote controlled operation of the target system, the actual controlling "device" may be either a computer with a software program, or a human being working interactively. The format of returned data has been optimized for evaluation by a computer program, although it can be intelligently read by a human working in an interactive mode. -
Page 8: Transmitted Data Format
RS-232 Programmer’s Reference FTS Systems RC211 Transmitted Data Format Acknowledge The explicit characters "OK" acknowledge receipt of a valid message, followed by 11 spaces (not counting the space for line continuation, described below). Error The line begins with the character "E", followed by a 3-digit decimal value defining the error number. - Page 9 RS-232 Programmer’s Reference FTS Systems RC211 Example: Received string: SP?. Transmitted message: OK <CR>. F057= 0030.00!<CR>. (Function #57, Setpoint, is currently +30 degrees). Terminator The exclamation point ("!") is issued prior to the last <CR> to indicate "end of message", so that multiline messages may be accommodated. To facilitate message parsing by column position, this position is left with a "space"...
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