BCU 480 · Edition 03.16l
75
Technical data
Fuses in unit:
F1: 3.15 A, slow-acting, H, pursuant to IEC 127-2/5.
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 127-2/5.
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 5-15/100W
230
50 (60) 0.45 (0.35)
5000
15 (11)
TZI 7-25/20W
230
50 (60)
1.1 (0.8)
7000
25 (18)
TZI 7,5-12/100W
230
50 (60)
0.6 (0.45)
7500
12 (9)
TZI 7,5-20/33W
230
50 (60)
0.9 (0.7)
7500
20 (15)
TZI 5-15/100R
115
50 (60)
0.9 (0.7)
5000
15 (11)
TZI 7-25/20R
115
50 (60)
2.2 (1.6)
7000
25 (18)
TZI 7,5-12/100R
115
50 (60)
1.2 (0.9)
7500
12 (9)
TZI 7,5-20/33R
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).