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Download Control Microsystems 5901 User manual
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hart3 Send HART command 3 Description The hart3 function block sends a HART protocol command 3 (“read dynamic variables and primary variable current”) to a HART device and processes the response. hart3 enable module addressOfDevice e done error status code v1Current u1Current v1 u1 v2 u2 v3 u3 v4 u4 Arguments Inputs enable Type Boolean Description Set to TRUE to send one HART command. Enable must then be set to FALSE and back to TRUE to send another command. Each command is complete when either the done or error output is TRUE. module Integer The module address of the HART 5904 modem module. Valid values are 0 to 3. This must correspond with the module number of a hart5904 Hart Modem I/O hardware. addressOfDevice Integer The address of the HART device. Valid values are 0 to 15. Outputs done Type Boolean Description TRUE when the enable input is TRUE and a response is received from the HART device. FALSE in all other cases. error Boolean TRUE when the enable input is TRUE and their is an error in the command, or if the HART device fails to respond to any of the attempts. FALSE in all other cases. IEC61131 User and Reference Manual April 22, 2008 304
