27RS-0 [MSYSTEM]

Head-mounted Two-wire Signal Conditioners 27-UNIT;


型号：	27RS-0
厂家：	M-SYSTEM
描述：	Head-mounted Two-wire Signal Conditioners 27-UNIT
文件：	总4页 (文件大小：160K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MODEL: 27RS

Head-mounted Two-wire Signal Conditioners

27-UNIT

RELATED PRODUCTS

• USB interface Bell202 modem (model: COP-HU)

Usable in ‘non-hazardous’ area only.

• PC configurator software (model: 27MCFG)

Downloadable at M-System’s web site.

RTD TRANSMITTER

(PC programmable)

Functions & Features

GENERAL SPECIFICATIONS

Construction: Sensor head-mounting

Connection: M3 screw terminals (torque 0.5 N·m)

Screw terminal: Nickel-plated brass

Housing material: Flame-resistant resin (black)

Isolation: Input to output

• Accepts direct input from an RTD and provides a standard

4 – 20 mA DC signal

• Suitable for Functional Safety applications up to SIL2

• I/O range programming via PC Configurator

• User’s temperature table can be used

• Self diagnostics

Function monitor LED: Input status and error status are

displayed by blinking mode.

User-configurable items: PC and the transmitter are

connected with the COP-HU.

• Input sensor type

• Low temperature drift

44 (1.73) DIA.

• Number of wires

• Input range

20.7

(.81)

• Burnout

• Output limits (Upper / Lower)

• Damping time (factory set to 0)

• Linearization

mm (inch)

• Output calibration

• Loop test output

MODEL: 27RS–[1][2]

INPUT SPECIFICATIONS

The input is factory set for use with Pt 100 (JIS ’97, IEC),

0 to 100°C.

ORDERING INFORMATION

• Code number: 27RS-[1][2]

Specify a code from below for each of [1] and [2].

(e.g. 27RS-0/M)

■ RTD (2-wire, 3-wire or 4-wire)

Input resistance: ≥ 1 MΩ

Use Ordering Information Sheet (No. ESU-7653). Factory

standard setting will be used if not otherwise specified.

Specify the country in which the product is to be used with

the Safety Approval code 2.

Excitation: 0.2 mA

Allowable leadwire resistance: Max. 10 Ω per wire

Temperature Range

RTD

MIN. SPAN

USABLE RANGE

-200 to +850

-328 to +1562

-200 to +850

-328 to +1562

-200 to +850

-328 to +1562

-200 to +510

-328 to +950

°C

°F

°C

°F

°C

°F

°C

°F

Pt 100 (JIS '97, IEC)

[1] SAFETY APPROVAL

0: None

Pt 500

1: FM intrinsically safe

Pt 1000

(Option code /M is not selectable)

2: ATEX intrinsic safety

JPt 100 (JIS '89)

(Option code /M is not selectable)

OUTPUT SPECIFICATIONS

Output range: 4 – 20 mA DC

[2] OPTIONS

Function Monitor LED

Blank: Without

Operational range: 3.75 – 23 mA

Load resistance vs. supply voltage:

/M: With

Load Resistance (Ω) = (Supply Voltage (V) – 9 (V)) ÷ 0.023

(A) (including leadwire resistance)

Burnout: 3.75 – 3.8 mA or 21.5 – 23 mA

(factory set to 23 mA)

27RS SPECIFICATIONS

ES-7653 Rev.8 Page 1/4

http://www.m-system.co.jp/

MODEL: 27RS

Upper output limit proportional to the input:

20 – 21.5 mA (factory set to 21.5 mA)

Lower output limit proportional to the input:

3.8 – 4 mA (factory set to 3.8 mA)

Update time: 440 msec.

ATEX: Intrinsic safety

II 1G, Ex ia IIC; T4, T5 and T6

(EN 60079-0)

(EN 60079-11)

SAFETY PARAMETERS

Operating temperature

For ATEX / FM:

INSTALLATION

Supply voltage

• 9 – 35 V DC (non-approved)

T4: -40 to +80°C

T5: -40 to +60°C

T6: -40 to +45°C

Ex-data:

• 9 – 28 V DC (approved)

Operating temperature: -40 to +85°C (-40 to +185°F)

(See Safety Parameters for use in a hazardous location.)

Operating humidity: 0 to 95 %RH (non-condensing)

Mounting: Head-mounting (DIN type B head)

Weight: 50 g (1.76 oz)

• Output circuit

Ui (Vmax): 30 V DC

Ii (Imax): 96 mA DC

Pi (Pmax): 720 mW

Ci: 1 nF

PERFORMANCE

Li: 0 mH

Accuracy: ±0.15°C (±0.27°F), ±0.075 % of span or

±0.075 % of max. range, whichever is greater

(max. range = 0 % or 100 % value, absolute value of

whichever is greater.)

• Sensor circuit

Uo (Voc): 30 V DC

Io (Isc): 24 mA DC

Po: 180 mW

Temp. coefficient: 0.0075 %/°C (0.004 %/°F)

Response time: ≤ 1 sec. (2- or 3-wire; 0 – 90 %) or

≤ 2 sec. (4-wire; 0 – 90 %) with damping time set to 0

Burnout response time: ≤ 2 sec.

Co (Ca): 50 nF

Lo (La): 40 mH

Supply voltage effect: ±0.01 % of span/V

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength: 1500 V AC @1 minute (input to output)

Safety integrity level according to IEC 61508: Suitable for

use in a safety instrumented system up to SIL2 (together

with sensor) if appropriate safety instructions are observed.

Consult M-System.

STANDARDS & APPROVALS

EU conformity:

ATEX Directive

Ex ia EN 60079-11

EMC Directive

EMI EN 61000-6-4

EMS EN 61000-6-2

RoHS Directive

EN 50581

Safety approval:

FM: Intrinsically safe

Class I, Division 1, Groups A, B, C and D

Class I, Zone 0, AEx ia IIC (US)

Class I, Zone 0, Ex ia IIC (Canada)

T4, T5 and T6

(Class 3610, ANSI/ISA 60079-11,

CAN/CSA-C22.2 No. 157,

CAN/CSA-C22.2 No. 60079-11)

27RS SPECIFICATIONS

ES-7653 Rev.8 Page 2/4

http://www.m-system.co.jp/

MODEL: 27RS

FUNCTION MONITOR LED (option /M)

Function

Monitor LED

–

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

44 (1.73) dia.

33 (1.30)

20.7 (.81)

19.5 (.77)

6 (.24) dia.

16.5 (.65)

12.7 (.5)

2–4.5 (.18) dia.

MTG HOLE

–

7.6 (.30) dia.

6–M3 SCREW

MOUNTING REQUIREMENTS unit: mm (inch)

33 (1.30)

2–M4 SCREW

The screws are to be provided by the customer.

27RS SPECIFICATIONS

ES-7653 Rev.8 Page 3/4

http://www.m-system.co.jp/

MODEL: 27RS

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Hazardous Location Non-Hazardous Location

Comm.

Circuit

FUNCTION

MONITOR

LED

Isolation

24V DC

LOAD

Input

Computation

Output

Computation

Output

Driver

–

Low Drift

Amplifier

OUTPUT

4 – 20mA DC

INPUT

Safety Barrier *⁴

*1. Input Connection Examples

■ RTD & RESISTANCE

• Two-wire

• Three-wire

• Four-wire

*2. Option /M

*3. Limited to 250 – 500Ω when using the communication to configure the module.

*4. A safety barrier must be installed for the intrinsic safety.

The safety barrier must meet the Ex-data of this unit and must be approved for the hazardous location.

Specifications are subject to change without notice.

27RS SPECIFICATIONS

ES-7653 Rev.8 Page 4/4

http://www.m-system.co.jp/

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