Momentum Modbus Plus 170 PNT Series Especificaciones descargar pdf (Pagina 47)

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Schneider Electric

Presentation,

description

Quantum automation platform 4

Momentum analog I/O Bases

The Momentum analog input bases enable acquisition of various analog values

encountered in industrial applications, including:

b Standard high level (1-5 V, 4-20 mA,

5V,

10 V,

20 mA).

b Low level (

25 mV,

100 mV).

b Thermocouples (B, E, J, ...).

b Temperature probes (Ni ..., Pt ...).

The analog output bases are used to control analog field devices such as various

speed drives, proportional control valves, etc. The current or the voltage is

proportional to the digital value defined by the user program. The outputs can be

configured so that when the program stops the outputs either reset to zero or hold

the last value received. This feature is useful during debugging since, if the outputs

are set to "Hold", the operation of the analog field devices is not disturbed every time

the program stops.

In order to cover a wide range of applications, Momentum I/O bases offer the

following functions in addition to A/D or D/A conversion:

b Choice of input/output ranges (voltage, current, thermocouple, temperature

probes).

b Selection of number of channels used.

b Cold junction compensation for thermocouple modules.

b Broken wire detection (170 AAI 030 00, 170 AAI 140 00, 170 AAI 520 40).

170 App analog I/O base units comprise on the front panel:

1 Internal interface connector for the communication module or processor module.

2 A locking and earth contact for the communication module or processor module.

3 LED status indicators (the number of indicators will depend on the number of

channels).

4 Two connectors for the removable terminal blocks.

5 An earthing screw.

6 A slot for the power strip.

7 Two screw holes for panel mounting.

8 A protective cover.

Connectors to be ordered separately :

b Removable screw or spring terminal blocks 170 XTS 00p 00.

b 1 to 3-row screw or spring bus bar 170 XTS 00p 01.

Presentation

Description

haracteristics :

ages 4/45 to 4/49

References :

pages 4/50 and 4/51

Dimensions :

page 4/51

Connections :

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