SIMATIC NET PROFIBUS, Optical Link Module
Operating Instructions, 07/2008, A2B00065774O, Edition V1.5
v
6.4
Ex approval ..................................................................................................................................47
6.5
UL approval (U.S. and Canada)...................................................................................................47
6.6
Shipbuilding approvals.................................................................................................................48
7
References .............................................................................................................................................. 49
7.1
References...................................................................................................................................49
8
Drawings.................................................................................................................................................. 51
Tables
Table 2-1
Number of electrical and optical ports per module, .......................................................................4
Table 4-1
Overview of the product characteristics.......................................................................................19
Table 4-2
DIL-switches in compatibility mode..............................................................................................23
Table 5-1
Meaning of the LED displays and indication by the signaling contact.........................................39
Table 5-2
Constants for calculating the slot time for DP-standard (redundant optical ring) ........................43
Table 5-3
Constants for calculating the slot time for DP/FMS (”universal“) and DP with S5 95U (redundant
optical ring)...................................................................................................................................43
Figures
Figure 2-1
PROFIBUS OLM with position of all interfaces, displays and adjustment options ........................3
Figure 3-1
Network structure in a linear (bus) optical topology.......................................................................8
Figure 3-2
Network structure with an optical star topology ...........................................................................10
Figure 3-3
Network structure with a redundant optical ring topology............................................................12
Figure 4-1
View of the OLM module from the top .........................................................................................21
Figure 5-1
Measures to suppress..................................................................................................................27
Figure 5-2
Securing shielded cables with cable clamps and cable retainers...............................................28
Figure 5-3
View of the module from below
....................................................................................................30
Figure 5-4
Installation of a module on a standard DIN rail
............................................................................31
Figure 5-5
Installation of a module with a mounting plate
.............................................................................32
Figure 5-6
Drilling measures for the mounting plate, all dimensions are millimeter
......................................33
Figure 5-7
Electrical port, connector assignment D-sub jack.......................................................................33
Figure 5-8
Operating power supply, pin assignment 5-pin terminal block ..................................................35
Figure 5-9
Signaling contact relay with floating contacts; ............................................................................35
Figure 5-10
Signaling contact, pin assignment 5 pin terminal block .............................................................35
Figure 5-11
Position of the level recording connections ................................................................................36
Figure 5-12
Relationship between measured output voltage and signal quality.............................................36