Power supply
2 30 V +10/-15 % 47-63 Hz 120 V +10/-15 %
47-63 Hz (on request)
Maximum backup-fuse
10 A slow-blow
To be used only in a grounded power line network!
Power consumption max.
30 VA
Switching threshold of ionisation current
1 µ A
Digital signal inputs
Max. line length 10 m (33 ft)
Max. line length 20 m (66 ft) for the
following signals:
Firing rate+ / firing rate-
Boiler safety interlock chain (SIC)
Burner ON
Reset
Alarm
Fuel selection DFM
Digital outputs
3 fuel valves max. 1 A cos ? 0,4
VL fan max. 2 A cos ? 0,4
oil pump max. 2 A cos ? 0,4
ignition transformer max. 2 A cos
? 0,2
alarm output max. 1 A cos ? 0,3
Resolution
999 digit, bit 10
Number of curve sets
BT320/33x: 1 curve set (oil or gas) BT34x: 2 curve sets (oil/gas
switchable; DFM300 or LCM100 required)
Number of programs
unlimited (EEPROM)
Field bus-coupling (optional)
PROFIBUS DP
Modbus TCP
PROFINET
LEM100 or LCM100 always required
Housing
Polycarbonate + ABS
Dimensions (HxWxD)
200x11 5x61 mm (7.87x4.53x2.4" in)
Weight
1 ,0 kg (2.20 lb)
Flammability
UL-94 V0
