Communication blocks
Function Blocks - FM 458-1 DP
2-5
Edition 12.2004
DL2
Overview of with which slave data transfer took place. This output
is bit-coded. Every bit is assigned to a slave with its Profibus
address. For example, bit 0 of the 32-bit word is assigned to the
slave with Profibus address 32.
For a more detailed description, refer to the user manual
"FM 458-1 DP", chapter "Configuring", section "PROFIBUS DP
coupling".
(Default: 0)
DL3
Overview of with which slave data transfer took place. This output
is bit-coded. Every bit is assigned to a slave with its Profibus
address. For example, bit 0 of the 32-bit word is assigned to the
slave with Profibus address 64.
For a more detailed description, refer to the user manual
"FM 458-1 DP", chapter "Configuring", section "PROFIBUS DP
coupling".
(Default: 0)
DL4
Overview of with which slave data transfer took place. This output
is bit-coded. Every bit is assigned to a slave with its Profibus
address. For example, bit 0 of the 32-bit word is assigned to the
slave with Profibus address 96.
For a more detailed description, refer to the user manual
"FM 458-1 DP", chapter "Configuring", section "PROFIBUS DP
coupling".
(Default: 0)
MST
Status of the DP master:
Stop (0x40 ), Clear (0x80) or Operate (0xC0)
(Default: 0)
ID
Master identification number:
(0x8037 for EXM448 as Profibus interface, 0x80EB when
using X3 of the FM458-1)
(Default: 0)
QTS
Block output QTS is used to display whether the block is operating
error-free (QTS = 1) or was de-activated after a communications
error message was entered (QTS = 0).
(Default: 0)
YTS
Detailed status display:
•
YTS=0
Æ
o.k.
•
YTS=1
Æ
Block processing inhibited (EN=0)
For additional values at YTS, refer to: D7-SYS Online Help "Help
events". (Press the F1 button in the CFC and call the topic
"Help on events" under "CFC for D7-SYS".)
(Default: 0)
Computation time [µs]
FM458-1 DP
42,7
Can be inserted online
No
Can be configured in
Cyclic tasks
Executed in
Initialization mode
Normal mode
Special features
This function block may only be configured
once for each PROFIBUS communications
module.
Configuring data