Tekmar 265 Boiler Control Manual do Utilizador descarregar pdf (Página 22)

Converting the 0 - 20 mA

Output to Operate a

0 - 10 V

(

)

Device

–

Mod 1 mA

0-10 Vdc

Actuating Motor

500 Ω resistor

0 - 20 mA converted

to 0 - 10 V (dc) output

250 Ω resistor

0 - 20 mA converted

to 0 - 5 V (dc) output

The 4 to 20 mA output can be converted to 1 to 5 V (dc) using an

external 250 Ω resistor across the Mod 1 (Mod 2, Mod 3) terminals.

The 4 to 20 mA output can be converted to 2 to 10 V (dc) using an

external 500 Ω resistor across the Mod 1 (Mod 2, Mod 3) terminals.

The 0 to 20 mA output can be converted to 0 to 5 V (dc) using an

external 250 Ω resistor across the Mod 1 (Mod 2, Mod 3) terminals.

The 0 to 20 mA output can be converted to 0 to 10 V (dc) using an

external 500 Ω resistor across the Mod 1 (Mod 2, Mod 3) terminals.

The 4 to 20 mA output can be converted to a 0 - 135 Ω output for

a Modutrol IV™ gas valve actuating motor using a 0 - 135 Ω tekmar

Converter 005 (sold separately).

The 4 to 20 mA output can be converted to a 0 - 135 Ω output for

a V9055™ gas valve actuating motor using a 0 - 135 Ω tekmar

Converter 005 (sold separately).

–

Mod 1 mA

500 Ω resistor

4 - 20 mA converted

to 2 - 10 V (dc) output

250 Ω resistor

4 - 20 mA converted

to 1 - 5 V (dc) output

Converting the 4 - 20 mA

Output to Operate a

1 - 5 or 2 - 10 V

(

)

Device

–

1-5 or 2-10 Vdc

Actuating Motor

Modutrol IV

tekmar

V9055

Modutrol IV™

0 - 135

Actuating

Motor

Mod 1 mA

–

Modutrol IV

tekmar

V9055

–

Mod 1 mA

V9055™

0 - 135

Actuating

Motor

™Modutrol IV and V9055 are trademarks of Honeywell, Inc.

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