Jetter JXM-IO-E30, User Manual, Page: 56 / 70

Jetter AG Parameterization | 8
User Manual – JXM-IO-E30 56 / 70
Signaling standstill
The TIMEOUT_TIME parameter allows you to specify the time required to elapse before a stand-
still is signaled. The default value is 1,000 ms, i.e. if no more pulses are received for 1,000 ms,
then I_DIRECTION = 0.
8.9 NMT commands
The JXM-IO-E30 supports the following NMT commands:
NMT commands Description
RESET Resets the JXM-IO-E30
PREOPERATIONAL Switches to Pre-Operational state
OPERATIONAL Switches to Operational state
START Starts the JXM-IO-E30
STOP Stops the JXM-IO-E30, the JXM-IO-E30 continues to send heart-
beat signals and process NMT commands.
Tab. 53: Supported NMT commands
8.10 Troubleshooting
Emergency object telegrams (EMCY telegrams)
EMCY telegrams are sent at startup or after any changes at an inhibit time of 50 ms.
Byte Contents
0 … 1 = Emergency Error Code
2 = Error register Object 0x1001
3 = I/O offset 0x21nn, where nn is the offset
4 … 7 = Manufacturer-specific „error field“ entry
Always 0 is sent.
Tab. 54: Byte values of Emergency objects
Error memory (error history)
The EMCY errors are stored in a stacked memory. Subindex 1 provides access to the latest er-
ror.
Byte Contents
0 … 1 = Emergency Error Code
2 = Error register Object 0x1001
3 = I/O offset 0x21nn, where nn is the offset
Tab. 55: Byte values of the error memory
The error memory can be accessed via index 0x1003.
Index Subindex Description Type
Types
of ac-
cess
Default
value
0x1003 0 Number of errors U8 R/W 0
Entering 0 clears the entire memory.
Values > 0 are not allowed.
1 Latest „Error Field“ entry U32 R
2 … 254 Other current "Error Field" entries U32 R
Tab. 56: Subindexes of the error memory