Instruction Manual

Table Of Contents
IM 12A00A01-61E
3-12 Foundation Fieldbus
Table 3.6 VCR List VCR List
Index (SM) VCR Number Factory Setting
293 1 For system management (Fixed)
294 2 Server (LocalAddr = 0xF3)
295 3 Server (LocalAddr = 0xF4)
296 4 Server (LocalAddr = 0xF7)
297 5 Trend Source (LocalAddr = 0x07, Remote Address=0x111)
298 6 Publisher for AI1 (LocalAddr = 0x20)
299 7 Alert Source (LocalAddr = 0x07, Remote Address=0x110)
300 8 Server (LocalAddr = 0xF9)
301 to 325 to 325 9 to 33 Not set
3-3-5-2 Function Block Execution Control
According to the instructions given in Section 3-3-3, set the execution cycle of the function blocks and
schedule of execution.
3-3-6 Block Setting
Set the parameter for function block VFD.
3-3-6-1 Link Object
Link object combines the data voluntarily sent by the function block with VCR. The EXA has 40 link objects.
A single link object specifies one combination. Each link object has the parameters listed in Table 3.7.
Parameters must be changed together for each VCR because the modifications made to each parameter
may cause inconsistent operation.
Table 3.7 Link Object Parameters
Sub-
index
Parameters Description
1 LocalIndex Sets the index of function block parameters to be combined; set “0” for Trend and Alert.
2 VcrNumber Sets the index of VCR to be combined. If set to “0”, this link object is not used.
3 RemoteIndex Not used in EXA. Set to “0”.
4 ServiceOperation
Set one of the following. Only one link object is used for Alert and/or Trend.
0: Undefined
2: Publisher
6: Alert
7: Trend
5 StaleCountLimit
Set the maximum number of consecutive stale input values which may be received before the input
status is set to BAD. To avoid the unnecessary mode transition caused when the data is not correctly
received by subscriber, set this parameter to “2” or more.
Set link objects as shown in Table 3.8.
Table 3.8 Factory-Settings of Link Objects (example)
Index Link Object# Factory Settings
30000 1 AI1.OUT VCR#6
30001 2 Trend VCR#5
30002 3 Alert VCR#7
30003 to 30039 4 to 40 Not used