KROHNE MFC 400 Modbus - Manual (Page 15)

MODBUS PROTOCOL
5
15
MFC 400
www.krohne.com 05/2013 - 4002525102 - AD Modbus MFC 400 R02 en
5.8.2 Device Status
Modbus Function Codes "Read Discrete Inputs" (0x02)
Discrete
Inputs Name Description Type No. of
registers Values
10000 10000 10000 10000
(0x2710)
Status of Custody
Transfer Lock
Indicates if custody transfer lock
is active or no
Bit 1 0 = unlocked
1 = locked
10001 10001 10001 10001
(0x2711)
Are Changes
Made?
Indicates if there are unsaved
changes. "Apply Changes" to
save them, "Discard Changes" to
work with previous settings
Bit 1 0 = no changes made
1 = unsaved changes
detected
Modbus Function Codes "Read Input Registers" (0x04)
Input
Register Name Type No. of
registers Values / Units Display
Fct. No.
39000 39000 39000 39000
(0x9858)
Actual Operation Mode Long 2 1 = Stop
2 = Startup
3 = Measuring
5 = Standby
B2.16
39002 39002 39002 39002
(0x985A)
Device Operation Time Float 2 [s] B2.1
39004 39004 39004 39004
(0x985C)
NE 107 Status Groups Long 2 For further information refer to
NAMUR NE 107 Event Group(s)
on page 32.
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39100 39100 39100 39100
(0x98BC)
NE 107 Device Status Byte 1 Bit 7 = Failure (F)
Bit 6 = reserved
Bit 5 = Out of Specification (S)
Bit 4 = Function Check (C)
Bit 3 = reserved
Bit 2 = Maintenance required (M)
Bit 1 = reserved
Bit 0 = Information (I)
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