226 ● TC DMC-40x0 Command Reference
TC
FUNCTION: Tell Error Code
DESCRIPTION:
The TC command returns a number between 1 and 255. This number is a code that reflects why a
command was not accepted by the controller. This command is useful when the controller
halts execution of a program at a command or when the response to a command is a question
mark. The TC command will provide the user with a diagnostic tool. After TC has been read,
the error code is set to zero.
ARGUMENTS: TC n where
n = 0 Returns code only
n = 1 Returns code and message
n = ? Returns the error code
No argument will provide the error code for all axes
CODE EXPLANATION CODE EXPLANATION
1 Unrecognized command 56 Array index invalid or out of range
2 Command only valid from program 57 Bad function or array
3 Command not valid in program 58 Bad command response (i.e._GNX)
4 Operand error 59 Mismatched parentheses
5 Input buffer full 60
Download error - line too long or too
many lines
6 Number out of range 61 Duplicate or bad label
7 Command not valid while running 62 Too many labels
8 Command not valid when not running 63 IF statement without ENDIF
9 Variable error 65 IN command must have a comma
10 Empty program line or undefined label 66 Array space full
11 Invalid label or line number 67 Too many arrays or variables
12 Subroutine more than 16 deep 71 IN only valid in task #0
13
JG only valid when running in jog
mode
80 Record mode already running
14 EEPROM check sum error 81 No array or source specified
15 EEPROM write error 82 Undefined Array
16
IP incorrect sign during position move
or IP given during forced deceleration
83 Not a valid number
17
ED, and DL not valid while program
running
84 Too many elements
18 Command not valid when contouring 90 Only A B C D valid operand
19 Application strand already executing 98
Binary Commands not valid in
application program
20 Begin not valid with motor off 99 Bad binary command number
21 Begin not valid while running 100 Not valid when running ECAM
22 Begin not possible due to Limit Switch 101 Improper index into ET
(must be 0-256)
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