Manual Supercom 646 GPRS rev. 04-02-2011
26
st
Status
646
M-Bus standard
bit1..0
Application
Application
00b
No error
No error
01b
†
Application busy
10b
Any application error
Any application error
11b
†
Reserved
bit2
Main power cut
or battery low
Power low
bit3
†
Permanent error
bit4
†
Temporary error
bit5
†
Manufacturer specific
bit6
Invalid time clock
Manufacturer specific
bit7
†
Manufacturer specific
wp
Device write protect
00
write protect disable
01
write protect enable
† Not used.