U0 Ionization or UV control in case of operation with gas
K0 No connection plugs
K1 Connection plugs with screw terminals
K2 Connection plugs with spring force terminals
-E Individual packaging
For controlling, igniting and monitoring single or forced draught burners of unlimited
capacity in continuous operation (in conjunction with UV sensor UVS, only intermittent
operation available) for applications pursuant to EN 746-2. For directly ignited burners or
burners ignited with a gas pilot, programmable via an optical interface and PC software
BCSoft, performs central safety functions such as pressure monitoring, valve check,
pre-purge and control of an actuator, for mounting on a DIN rail in a control cabinet, can
be programmed according to customer requirements, AGA, FM, CSA and EAC approved, UL listed, EU certified, certified for systems up to SIL 3 (compliant with PL e).
Designation Order no.
For 230 V AC, modulating with IC interface, connection
plugs with screw terminals
BCU 570WC0F1U0K1-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88660053
For 230 V AC, modulating with RBW interface, connection plugs with spring force terminals
BCU 570WC0F2U0K1-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88660059
Versions
BCU 570..C1 with valve proving system . . . . . . . . . . . . . . . . . . . . . surcharge
BCU 570..K1 with connection plugs with screw terminals . . . . . . . surcharge
BCU 570..K2 with connection plugs with spring force terminals . . surcharge
Accessories for BCU 500
Designation Order no.
Connection plugs with screw terminals
Connection plugs BCU 570..K1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 74923997
Connection plugs with spring force terminals
Connection plugs BCU 570..K2 . . . . . . . . . . . . . . . . . . . . . . . . . . . 74923999
Operator-control unit OCU for FCU/BCU 5xx
Operator-control unit OCU for connection to a unit of the FCU/BCU 5xx product series.
Display of device status in plain text, language can be changed, display of process values, statistics and unit parameters, control and adjustment of connected butterfly valves
in Manual mode, for mounting on a control cabinet door, enclosure IP 65, designed for
23 mm holes in a 30 mm mounting grid,
connection to control unit via 4-pin control line, cable lengths up to 10 m, suitable plugs
supplied with OCU.
Designation Order no.
Switchable display: D, GB, F, NL, I, E
OCU 500-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84327030
Switchable display: GB, DK, S, N, TR, P
OCU 500-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84327031
Switchable display: GB, USA, E, P (BR), F
OCU 500-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84327032
Switchable display: GB, RUS, PL, HR, RO, CZ
OCU 500-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84327033
BCU 570
OCU
6 Electric flame monitoring and control units
2-91
Bus module BCM 500 for FCU/BCU 5xx
Bus module BCM 500 for connection of FCU/BCU 5xx units to an automation system
(Profinet), start, reset and capacity adjustment can be controlled using the fieldbus. The
current program status, the signal status of the inputs and outputs (FCU/BCU) as well as
the flame signal and statistical data can be read via the fieldbus.
Designation Order no.
Profinet interface for standard communication
BCM 500S0B2/3-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74960663
BCM 500S0B4/3-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74960688
Opto-adapter for devices with optical interface