BCU 480 · Edition 03.16l 75
Technical data
Fuses in unit:
F1: 3.15 A, slow-acting, H, pursuant to IEC 1272/5.
Fuse for protecting the safety-relevant ignition, valve
1, valve 2 and air valve outputs (terminals 7, 12, 14 and
26): 5 A, slow-acting, not replaceable.
F3 (only for BCU.. A, BCU..C and BCU..U):
3.15 A, slow-acting, H, pursuant to IEC 1272/5.
Operation and fault signalling contacts:
Signalling contact for mains voltage, max. 2 A, 253 V,
not internally fused.
Number of operating cycles:
Relay outputs: 250,000 pursuant to EN 298,
Mains switch: 1,000,
Reset/Information button: 1,000.
Ambient temperature: 20 to +60°C (4 to +140°F),
climate: no condensation permitted.
Enclosure: IP 54 pursuant to IEC 529.
Weight: approx. 5 kg (11 lb) depending on version.
Ignition
transformer
Input Output
V AC Hz* A* V mA*
TZI 515/100W 230 50 (60) 0.45 (0.35) 5000 15 (11)
TZI 725/20W 230 50 (60) 1.1 (0.8) 7000 25 (18)
TZI 7,512/100W 230 50 (60) 0.6 (0.45) 7500 12 (9)
TZI 7,520/33W 230 50 (60) 0.9 (0.7) 7500 20 (15)
TZI 515/100R 115 50 (60) 0.9 (0.7) 5000 15 (11)
TZI 725/20R 115 50 (60) 2.2 (1.6) 7000 25 (18)
T ZI 7,512/100R 115 50 (60) 1.2 (0.9) 7500 12 (9)
TZI 7,520/33R 115 50 (60) 1.8 (1.35) 7500 20 (15)
* Values in ( ) apply to 60 Hz.
9.1 BCU..B1
External fuse: 12 A per zone.
9.2 PROFIBUS DP
Manufacturer ID: 0x05DB.
ASIC type: SPC3.
SYNC and FREEZE-capable.
Baud rate detection: automatic.
Min. cycle time: 0.1 ms.
Diagnostic bytes: 6 (DP Standard).
Parameter bytes: 7 (DP Standard).