Siemens SIMATIC NET PROFIBUS - Manual (Page 412)

16
4 Setting Up
Version 1.0 8/00
4.2 General information about setting up
4.2 General information about setting up
+24 V
+24 V *
Fault
L1+
L2+
M
F1
F2
NEC Class 2 24VDC, 200mA
0 1
S 6
S 7
S 1
S 0
S 2
S 4
S 5
S 3
Out. Power CH 3
Compatibility
Out. Power CH 2
Mode CH 1
Mode CH 2
Mode CH 3
Fig. 5: Top view of the Module OLM – location of the DIL
switches and terminal block for the operating power
supply/signaling contacts.
The illustration shows the factory settings of the
DIL switches (switches S0, S1, S2, S3, S4 and S7 in
Position "0", switches S5 and S6 in Position "1").
Select the network topology which is most suitable for your requirements. The modules can then be put into
operation in the following steps:
ᮣ Check and adjust (if necessary) the DIL switch
Note: The DIL switches may only be operated in an ambient temperature of between 0°C and +60°C. This also
applies to the OLM/G12-EEC.
ᮣ Mount the modules
ᮣ Connect the power supply and the signaling contacts
ᮣ Connect the electric RS 485 bus line with pre-mounted bus connector
ᮣ Connect the optical bus lines