Boiler house

TDS blowdown controls

Technical data BC3250 (continued)

Probe cleaning

4 - 20 mA

Maximum voltage

Drive

Minimum current

Maximum current

Open circuit voltage

(maximum)

Resolution

Maximum output load

Isolation

Output rate

Contacts

Voltage ratings

(maximum)

Resistive load

Inductive load

ac motor load

Pilot duty load

Electrical life

(operations)

Mechanical life

(operations)

Physical layer

Protocol

Isolation

Receiver unit load

Output rate

Physical layer

Baud

Range

Working angle

32 Vdc

ac/dc/pulsed

0 mA

20 mA

19 Vdc

1% FSD

500 ohm

100 V

10 / second

2 x single pole changeover relays (SPCO)

250 Vac

3 amp @ 250 Vac

1 amp @ 250 Vac

1⁄4 HP (2.9 amp) @ 250 Vac

1

/

10

HP (3 amp) @ 120 Vac

C300 (2.5 amp) - control circuit / coils

3 x 10

5

or greater depending on load

30 x 10

6

RS485 4-wire full or 2-wire half duplex

Modbus RTU format

60 Vac/dc

(256 devices - maximum)

Up to 10 frames / second

IrDA

38 400

10 cm

15°

Exempt from EN 60825-12: 2007 Safety of laser products - does not

exceed the accessible emission limits (AEL) of Class 1

Output

technical

data

Relays

RS485

Infrared

Eye safety information

TI-P403-90 AB Issue 6

Page 5 of 6

BC3250 Blowdown Controller

2.4.30