FB-6SP and FB-12SP
3177_en_A 5
PHOENIX CONTACT GmbH & Co. KG • 32823 Blomberg • Germany
www.phoenixcontact.com
7 Installation
7.1 Mounting
The block coupler installs on NS35 (EN 50022) mounting
rail.
1. Secure the rail to an appropriate surface.
2. Place the block coupler onto the DIN rail from above.
The upper holding keyway must be hooked onto the
edge of the DIN rail.
3. Push the block coupler from the front toward the
mounting surface, making sure both sides of the
coupler snap onto the rail.
7.2 Connections
Foundation Fieldbus and PROFIBUS PA network
configurations are bus-type networks. Each device coupler
includes removable connectors.
Table 1 shows the trunk and spur connections.
where n indicates the spur number. Couplers may have
multiple spur connectors.
8Operation
8.1 LEDs
Each spur has a dedicated LED.
Only one device can be connected to each spur.
Connection Label Function
Trunk TiS Trunk in shield
Ti- Trunk in -
Ti+ Trunk in +
ToS Trunk out shield
To- Trunk out -
To+ Trunk out +
Spur SnSSpur n shield
Sn-Spur n -
Sn+Spur n +
Label Indicator Meaning
PWR Solid green Power is present
Off No power is applied
ERR Solid red Short circuit in spur n
Off Normal operation
