7647 datasheet(5/28 Pages) PHOENIX

Part #	7647

Description	Inline analog strain gauge input terminal,two precise inputs, 4, 6-wire connection method

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Manufacturer	PHOENIX [PHOENIX CONTACT]

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IB IL SGI 2/P-PAC

7647_en_04

PHOENIX CONTACT

5

I/O supply voltage U

ANA

24 V DC

Current consumption from U

ANA

max. 100 mA

25 mA (in case of typical load of 350 Ohm per channel)

7 mA (for no-load operation without strain gauge or display)

80 mA (For a maximum load of 55 Ω and display)

Power consumption

Typ. 1.2 W (Device in nominal operation)

max. 3.2 W (Device with maximum load)

Inline potential routing / Power consumption

Voltage output

Number of outputs

2

Impedance

> 55 Ω (per channel)

Output voltage

typ. 5 V

Output current

max. 90 mA (per channel)

Short-circuit protection of the voltage outputs

Yes, at least 1 minute through temperature monitoring

Floating N/O contact

Quantity

2 (K

a1-Kb1, Ka2-Kb2)

Volume resistance

< 1 Ω (typical)

Volume resistance

5 Ω (maximum)

Typical response time

100 ms (typical)

Serial interface

Name

V.24 (RS-485) serial interface

Network

Yes

Addressing

Address 1 = Measured gross/net value

Address 2 = Measured tare value

Termination resistor

120 Ω

Transmission protocol

STX/ETX

Input channels for strain gauge

Number of inputs

2

Connection method

6 or 4-wire, twisted pair shielded cable

Characteristics

±1 mV/V, ±2 mV/V, ±3 mV/V, ±3.33 mV/V, ±4 mV/V, ±5 mV/V

Bridge difference U

d

Measuring range specified by selecting the characteristic

Bridge voltage U

0

5 V

Measured value representation

15 bits + sign bit (process data); 15 bits + sign bit and measured display value in

the ASCII character set (PCP)

Process data update

typ. 100 ms (12.5 ms, depends on the configuration)

Resolution A/D

24 bit

A/D conversion time

Typ. 100 ms (12.5 ms, depends on the configuration)

Averaging

Can be parameterized: None or using 4,16 or 32 measured values; default set-

ting: using 16 measured values

Limit frequency

0.3 Hz (with default setting)

Programming Data

ID code (hex)

DF

ID code (dec.)

223

Length code (hex)

03

Length code (dec.)

03

Process data channel

48 Bit

Input address area

6 Byte

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