Modbus special register map, Specification – Beijer Electronics NA-9379 User Manual

Page 19

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NA-9379

Specification

Revision 1.02

FnBus PIO N/A

Page 19

08

Memory Parity Error The server (or slave) attempted to read record file, but detected

a parity error in the memory. The client (or master) can retry
the request, but service may be required on the server (or slave)
device.

0A

Gateway

Path

Unavailable

Specialized use in conjunction with gateways, indicates that the
gateway was unable to allocate an internal communication path
from the input port to the output port for processing the
request.

- RN-9289 response exception code 01, 02, 03, 04 and 06.

3.2. MODBUS Special Register Map

The special register map can be accessed by function code 3, 4, 6 and 16. Also the special register map must be
accessed by read/write of every each address (one address).

PRELIMINARY

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