Operating As A Profile Device; Configuring A New Device; Configuring Profibus Pa With An S7-300/ 400 Plc; Cyclic Versus Acyclic Data - Siemens SITRANS LR560 Operating Instructions Manual
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Also See for SITRANS LR560:
- Quick start manual (270 pages) ,
- Operating instructions manual (222 pages) ,
- Compact operating instructions (66 pages)
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C.9
Operating as a profile device
Every manufactured PROFIBUS product has a unique PROFIBUS identification number
which identifies it to the system. PROFIBUS Profile Standard version 3.01 also defines a
Profile Model which can identify a product as a generic profile device on the network.
SITRANS LR560 can be identified in one of three ways:
*
Defining the device as Profile-specific as opposed to Manufacturer-specific makes it possible
to exchange the device for any other device of the same profile type without changing the
GSD file.
To set up SITRANS LR560 as a profile device see PROFIBUS IDENTIFICATION (5.2.)
(Page 133).
C.10
Configuring a new device
See Configuring a new device (Page 62).
C.11
Configuring PROFIBUS PA with an S7-300/ 400 PLC
1. If SITRANS LR560 is not listed in the STEP 7 device catalog, you can download theGSD
file from the Siemens Web site and import it into Step 7. Go to LR560
(www.siemens.com/LR560), and click Downloads.
2. Add the SITRANS LR560 "rack", click and drag the SITRANS LR560 folder from the
hardware catalog.
3. Fill the rack with the necessary modules by dragging and dropping them from the
hardware catalog.
4. After configuring PROFIBUS PA in steps 2 and 3, download it to the PLC.
5. Add code to the PLC program to read data consistently using the SFC14.
C.12
Cyclic versus acyclic data
When you request data from a device via PROFIBUS PA, you have two choices. Cyclic data
is provided at every bus scan: acyclic data is requested and provided as needed.
Input information is always requested at every bus scan and is set up as cyclic data.
Configuration information is only needed periodically and is set up as acyclic data.
LR560 (PROFIBUS PA)
Operating Instructions, 06/2018, A5E34648471-AE
Device Identification
STD PROFILE
MANUFACTURER
STD – AIFB 1 ONLY
Profile Model
Standard Profile (uses generic GSD for 2 AIFB [ident # = 0x9701]
Manufacturer-specific (uses Siemens EDD and GSD file, which iden-
tifies the LR560 [PROFIBUS PA]) [ident # = 0x8150]
Standard Profile AIFB 1 only (uses generic GSD for 1 AIFB) [ident #
= 0x9700]
Communications via PROFIBUS PA
C.9 Operating as a profile device
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Troubleshooting
