Siemens FSD901-U2 - Configuration and Installation; Address and Baud Rate Setting; EOL Resistor Configuration; Installation Steps

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Operation
Task Operation
View real time events
1. Press "↓" / "↑" to navigate a real time event.
2. Press "←" to return to first event.
Lamp test
Press both "Silence" and "Unsilence" button for 5s to do
lamp test.
Acknowledge or reset
events
Press "Acknowledge" or "RESET".
Unsilence devices
Press "Unsilence", all silenced devices are activated again.
Silence devices
Press "Silence", silence all activated silenceable devices.
Address and Baud Rate
8-digit Dip-switch S1 is used for setting the FSD901 address and Baud Rate Setting.
The first 1-4 digits is for setting the FSD901 address 1-8, the 7-8 digits is for setting
RS485 communication baud rate. The 5 and 6 digits are reserved for future use.
Address
DIP switch
Baud Rate
DIP switch
1
2
3
4
7
8
1
On
Off
Off
Off
9600 bps
Off
Off
2
Off
On
Off
Off
19200
bps
On
Off
3
On
On
Of
f
Off
38400 bps
Off
On
4
Off
Off
On
Off
115200 bps
On
On
5
On
Off
On
Off
6
Off
On
On
Off
7
On
On
On
O
ff
8
Off
O
ff
O
ff
On
FC2005 and FC901 can only support 19200 bps, other options reserve for future usage.
EOL Resistor
2-digit Dip-switch S20 is used for setting EOL resistor of RS485.
1 and 2
On：Internal EOL resistor is connected
1 and 2
Off：Internal EOL resistor is disconnected
For RS485 Class A, loop mode, no EOL resistor is needed.
For RS485 Class B, stub mode, internal EOL resistor of the repeater display at the end
of RS485 must be connected.
Installation
Fig 2 Dimension (mm)
Fig 3 Connection
Note:
· Point G is not used for any connection.
· Power in from the non-resettable auxiliary power output on
panel.