Schneider Optics Modicon Quantum Ethernet manual Hex Error Code Meaning, Ss Hex value Meaning

	The MSTR Instruction
Hex Error Code	Meaning
1001	User has aborted the MSTR element.
2001	An unsupported operation type has been specified in the control block.
2002	One or more control block parameters has been changed while the
	MSTR element is active (applies only to operations that take multiple
	scans to complete). Control block parameters may be changed only
	when the MSTR element is not active.
2003	Invalid value in the length field of the control block.
2004	Invalid value in the offset field of the control block.
2005	Invalid values in the length and offset fields of the control block.
2006	Invalid slave device data area.
3000	Generic Modbus fail code.
30ss*	Modbus slave exception response.
4001	Inconsistent Modbus slave response.
F001	Option Module not responding

* The ss subfield in error code 30ss is shown in the following table.

ss Hex value	Meaning
01	Slave device does not support the requested operation.
02	Nonexistent slave device registers requested.
03	Invalid data value requested.
04
05	Slave has accepted long-duration program command.
06	Function can’t be performed now; a long-duration command is
	in effect.
07	Slave rejected long-duration program command.

An error on the TCP/IP Ethernet network itself may produce one of the following errors in the MSTR control block:

Hex Error Code	Meaning
5004	Interrupted system call.
5005	I/O error.
5006	No such address.
5009	The socket descriptor is invalid.
500C	Not enough memory.
500D	Permission denied.
5011	Entry exists.

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