Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G - Manual (Page 75)

<APPENDIX 5. LINK MASTER FUNCTIONS>
A-26
IM 11M12D01-61E
In this case, set SlotTime, MaxResponseTime,and MinInterPduDelay as forrows:
(3) In the LAS settings of the AV550G, set the values of V(FUN) and V(NUN) so that they include the
node addresses of all nodes within the same segment. (See also Figure A5-3.)
A5.4 LM Functions
Subindex Element
ConfiguredLinkSettingsRecord (AV550G Index 369 (SM))
Description
Setting
(Default)
V (ST)
V (MRD)
V (MID) 20
6
12
(4095)
(5)
(12) SlotTime
MaxResponseDelay
MinInterPduDelay 1
3
6
TA0602.ai
Subindex Element
ConfiguredLinkSettingsRecord
(AV550G Index 369 (SM))
Description Default Value
V (FUN)
V (NUN) 0x25
0xBA FirstUnpolledNodeId
NumConsecUnpolledNodeId 4
7
TA0603.EPS
No. Function Description
LM initialization
Startup of other nodes
(PN and Node Activation SPDU
transmissions)
PT transmission
(including final bit monitoring)
CD transmission
Time synchronization
Domain download server
Live list equalization
LAS transfer
Reading/writing of NMIB for LM
Round Trip Delay Reply (RR)
Reply to DLPDU
Long address
1
2
3
4
5
6
7
8
9
10
11
TA0604.ai
When a fieldbus segment starts, the LM with the smallest [V(ST) × V(TN)]
value within the segment becomes the LAS. At all times, each LM is
checking whether or not a carrier is on the segment.
Transmits a PN (Probe Node) message, and Node Activation SPDU
message to devices which return a new PR (Probe Response) message.
Passes a PT (Pass Token) message to devices included in the live list
sequentially, and monitors the RT (Return Token) and final bit returned in
reply to the PT.
Transmits a CD (Compel Data) message at the scheduled times.
Supports periodic TD (Time Distribution) transmissions and transmissions
of a reply to a CT (Compel Time).
Sets the schedule data. The schedule data can be equalized only when
the Domain Download command is carried out from outside the LM in
question. (The version of the schedule is usually monitored, but no
action takes place, even when it changes.)
Transmits SPDU messages to LMs to equalize live lists.
Transfers the right of being the LAS to another LM.
See Section A5.5.
Not yet supported in the current version.
Not yet supported in the current version.
Sub-
index
Element
Device
1
Device
2
Device
3
Description
1
3
6
SlotTime
MaxResponse
Delay
MinInterPdu
Delay
4
3
4
8
6
8
10
3
12
20
5
10
Capability value
for V(ST)
Capability value
for V(MRD)
Capability value
for V(MID)
TA0601.ai
DlmeBasicInfo (AV550G Index 361 (SM))
AV550G