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8
COMMUNICATION…
8.5
Error Codes
Error
Code
Error
01
Invalid command – the received command was not R (read), W (write) or
M (multiple read).
02
Invalid 'Read' parameter – parameter cannot be used with Read command.
03
Invalid 'Write' parameter – parameter cannot be used with Write command.
04
Too many characters entered into buffer – received message length is greater
than 32 characters.
05
Invalid decimal point position.
08
The 'Write' value is not within the controllers limits.
10
Non-numeric character entered in data.
14
Output cannot be changed – the Control Output can only be changed when the
controller is in Manual mode.
15
Received block check character error.
16
No STX character in complex format.
17
Received parity check error.
18
Overrun or framing error detected in received data.
19
Error in Multiple read command.
20
No data in 'Write' command.
21
More than one decimal point in data.
22
No data after decimal point in data.
23
More than six (12 for relay assignment) characters in data field.
25
Set point deviation alarm inputs > 4095 or < –4095.
26
Invalid characters in 'Read' command.
27
Error in 'Write' to logic equation.
28
Logic equation syntax error.
