Yokogawa RB301-S2 RIO bus interface cards. Dual-redundant (RB301) RIO bus interface cards can be installed in the FCU; the active (on-line) CPU card controls which is active (normally the one on the same side as the active CPU). The standby side ??sleeps??, and performs only diagnostic communications.
Brand: Yokogawa
Model: RB301-S2
