Siemens FS720 Mounting & Installation page 163

Building Technologies
Fire Safety
3
1
X14
Figure 94: Sample installation of the serial modules
1 RS232 module in slot X14
2 Fixing screw (2 pieces)
3 Mounting links on support plate
4 RS485 module in slot X19
X14 Slot 1 on the operating unit with RS232 module
X19 Slot 2 on the operating unit with RS485 module
X3 Connection terminal on RS232 module
X2 Connection terminal on RS485 module
1. Plug the serial module (1 or 4) into the corresponding connector (X14 or X19).
2. Secure the serial module to the fastening tabs (3) using the two screws (2).
3. Wire up the serial module with the intended components according to the pin
assignment.
When using a shielded cable, we recommend installing a cable kit
(communication) FCA2014 in order to connect the shielding.
Installing, exchanging and connecting modules
RS232 / RS485 module
X2
X3
X19
6
4
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2015-12-15