Chapter 6
There is no response if the module detects a syntax error or communi cation error or if the specified address does not exist.
Note: ! delimiter character indicating a valid command was received.
?delimiter character indicating the command was invalid.
aa(range 00-FF) represents the 2-character hexadecimal address of an ADAM-5000 system.
(datainput) a 2-character hexadecimal value representing the input values of the digital input module.
(dataoutput) a 2-character hexadecimal value which is the read back of a digital output channel or relay.
(cr) is the terminating character, carriage return (0Dh)
Example command: $33S26(cr) response: !33112200(cr)
The command asks the digital input module in slot 2 of the ADAM-5000 system at address 33h to return the values of all of its channels.
The first 2-character portion of the response indicates the address of the ADAM-5000 system.
The second 2-character (high byte) portion of the response, value 11h (00010001), indicates that digital input channels 8 and 12 are ON, channels 9, 10, 11, 13, 14 and 15 are OFF.
The third 2-character (low byte) portion of the response, value 22h (00100010), indicates that digital input channels 1 and 5 are ON, and channels 0, 2, 3, 4, 6 and 7 are OFF.