WORD
MEWNET-F error code, master 1 and 2
The data register stores the error code for 8 different error types at masters 1 and 2.
Bits 0–7: master 1
Bits 8–15: master 2
Bit 0/8 = communication error
Bit 1/9 = transmission error
Bit 2/10 = illegal unit
Bit 3/11 = terminating resistor error
Bit 4/12 = slot number error
Bit 5/13 = I/O mapping error
Bit 6/14 = momentary voltage drop
Bit 7/15 = abnormal I/O unit error