Siemens EF 847 Series Bedienungsanleitung PDF herunterladen (Seite 3)

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Hardware

The TC Compact Series consists of the following

major components:

 Input/Output Points

 Power Supply



Input/Output Points

Controller Processor

 The TC Compact input/output points perform A/D

or D/A conversion, signal processing, point

command output, and communication with the

controller processor. The terminal blocks are

removable for easy termination of field wiring.

 The Universal and Super Universal points

leverage TX-I/O™ Technology from Siemens

Building Technologies to configure an extensive

variety of point types.



– 0-10V input

Universal Input (UI) and Universal Input/Output

(U) points are software-selectable to be:

– 4-20 mA input

– Digital Input

– Pulse Accumulator inputs

– 1K Ni RTD @ 32°F (Siemens, Johnson

Controls, DIN Standard)

– 1K Pt RTD (375 or 385 alpha) @ 32°F

– 10K NTC Thermistor (Type 2 and Type 3) @

77°F

– 100K NTC Thermistor (Type 2) @ 77°F

– 0-10V Analog Output (Universal Input/Output

(U) points only)

 Super Universal (X) points (TC-24 and TC

– 0-10V input

-36

only) are software-selectable to be:

– 4-20 mA input

– Digital Input

– Pulse Accumulator inputs

– 1K Ni RTD @ 32°F (Siemens, Johnson

Controls, DIN Standard)

– 1K Pt RTD (375 or 385 alpha) @ 32°F

– 10K NTC Thermistor (Type 2 and Type 3) @

77°F

– 100K NTC Thermistor (Type 2) @ 77°F

– 0-10V Analog Output

– 4-20 mA Analog Output

– Digital Output (using external relay)

 Dedicated Digital Input (DI) points (TC-16 only)

are dry contact status sensing.

 Digital Output (DO) points are 110/220V 4 Amp

(resistive) Form C relays; LEDs indicate the status

of each point.

 All TC Compact Series models support 0-10 Vdc

Analog Output circuits.

 On TC-24 and TC

Power Supply

-36 models, the Super Universal

points may be defined as either 0-10 Vdc or 4-20

mA Analog Output circuits.

 The 24 volt DC power supply provides regulated

power to the input/output points and active

sensors. The power supply is internal to the TC

Compact housing, eliminating the need for

external power supply and simplifying installation

and troubleshooting.



The power supply works with the processor to

ensure smooth power up and power down

sequences for the equipment controlled by the I/O

points, even through brownout conditions.

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