Boiler house

Blowdown vessels

Technical data BT1050 (continued)

Input

RS485

Switch box

Lockout (link)

Maximum voltage

Maximum current

Maximum voltage

Maximum pulldown voltage

Maximum current

Physical layer

Protocol

Isolation

Receiver unit load

Output rate

Type

Shelf life

Working life

Physical layer

Baud

Range

Working angle

Eye safety information

Contacts

Voltage ratings (maximum)

32 Vdc (no load, open circuit)

3 mAdc (short circuit)

32 Vdc (no load, open circuit)

0.25 Vdc

1.5 mAdc

RS485 4-wire full or 2-wire half duplex

Modbus RTU format

60 Vac/dc

(256 devices - maximum)

Up to 10 frames / second

AA (PCB tagged) Lithium Thionyl Chloride

(Lithium content 0.65g)

10 year – with battery switch off @ TAMB: 25 °C

10 year – Mains power on 35 hours / week @ TAMB: 55 °C

IrDA

38400

10 cm

15°

Exempt from EN 60825-12: 2007 Safety of laser products ~

does not exceed the accessible emission limits (AEL) of class 1

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

Clock calendar battery

Infrared

Output

Relays

Load

ac motor load

Resistive

Inductive

Pilot duty load

Electrical life (operations)

Mechanical life (operations)

TI-P405-40 AB Issue 4

Page 3 of 4

BT1050 Boiler Blowdown Timer

2.9.4