Description
The BFxS-4 SMART Controller is upgradable with maximum one RELAY MODULE expansion board
Relay Module 4
The “Relay Module 4” adds 4 NC/NO additional relays (outputs) to the BFxS-4 SMART Controller
The “Relay Module 4” adds 4 NC/NO additional relays (outputs) to the BFxS-4 SMART Controller
The BFxS-4 SMART Controller is upgradable with maximum one RELAY MODULE expansion board
