Dwyer HM35 - Manual (Page 13)

12
Return Value
Command processed:
Return Value = o k
Example for response:
o k HT * 1 3 CR
Error
Return Value Meaning
er-001 RS232 Protocol checksum Error
er-110 Header Error; Too short
Header Error; Too many subnodes
Header Error; Query not at leaf node
Header Error; Multiple querys
Header Error; Characters after query
Header Error; Too long
er-113 Undefined Header; Undefined command
er-109 Missing parameter
Missing parameter; Boolean expected
Missing parameter; String expected
Missing parameter; Discrete expected
Missing parameter; Not of expected type
er-101 Invalid character; Terminator expected
er-108 Invalid parameter; Out of bounds
Invalid parameter; Too long
er-203 Command Protected
er-999 EEProm Read/Write Error
er-002 Fatal Command Execution Error
Example: Checksum Error
Response: e r – 0 0 1 HT * 200 CR
After command with response value
Example: reading time (07:08:09)
Response: 0 7 , 0 8 , 0 9 HT * 1 9 5 CR
After every command wait for the response of the instrument (max. 680 ms).
3.7.2
IR-Hardware of the instrument
The hardware of the IR-connection of the instrument is compatible with IrDA- Standard
1.0
.
IR (IrDA)- Adapter
A passive IrDA- adapter has to be used which is compatible to IrDA- Standard 1.0. The
IrDA adapter ACT-IR220Lplus is available as accessory.
The following explanations apply to this type: