22LS1-3-S [MSYSTEM]

Telemetering System;


型号：	22LS1-3-S
厂家：	M-SYSTEM
描述：	Telemetering System
文件：	总7页 (文件大小：187K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MODEL: 22LS1

Telemetering System

RELATED PRODUCTS

• Multi-transmission module

Model: 22LA1

MODEM INTERFACE

(SIN-NET use)

• RS cable

Model: DCN5

Functions & Features

• Modem

• Interfacing between SIN-NET devices (models:

22LA1, DLA1) and a modem for leased circuit

• Simple configuration by setting Station No. for pairing

units with the front rotary witches

Model: MOD1, MOD2, MOD3x, MOD4, MOD5, MOD6, MOD7,

MOD8

• Combined with M-System's modems for leased circuit

GENERAL SPECIFICATIONS

Construction: Plug-in

Typical Applications

Connection

• 1-to-1 transmission system

• 1-to-N transmission system

Power input: M3.5 screw terminals

SIN-NET, RUN contact output: Euro type connector

terminal block

RS-232-C: 9-pin D-sub connector (female)

(M2.6 x 0.45 connector screw)

(1.97)

Housing material: Flame-resistant resin (black)

Isolation: RS-232-C to SIN-NET to RUN contact output to

power

PWR

RUN

(3.15)

SA1

SA2

DIP switches: selecting modem type (SW1 – 4) and

Master/Slave (SW8)

D C

RS-232-C

Terminator: Incorporated (remove jumper pin with those

modules not located at the end of transmission line)

Station No. setting: 2 rotary switches; 00 – FF (256)

Power indicator: Red LED turns ON in normal conditions;

OFF when the voltage level becomes low.

RUN indicator: Red LED turns ON when the selfdiagnosis

proves normal, OFF in an abnormality.

RUN contact output: Contact opens in an abnormality.

125 V AC @ 0.5A (cosø = 1)

144

(5.67)

mm (inch)

MODEL: 22LS1–3–[1]

ORDERING INFORMATION

• Code number: 22LS1-3-[1]

Specify a code from below for [1].

(e.g. 22LS1-3-K)

30 V DC @ 0.5A (resistive load)

Maximum switching voltage: 250 V AC or 125 V DC

Maximum switching power: 62.5 VA or 60 W

Minimum load: 10 mV DC @ 1 mA

TRANSMISSION MEDIA

3: Twisted-pair cable for small-scale system

Mechanical life: 5 × 10

cycles (rate 180/min.)

Self-diagnosis

Communication: receiving 'loss of RS-232-C

communication' data; multiplex transmission

error data; network error

[1] POWER INPUT

AC Power

K: 85 – 132 V AC

CPU: watch-dog timer

(Operational voltage range 85 – 132 V, 47 – 66 Hz)

L: 170 – 264 V AC

Power voltage: detects when the voltage supply to the CPU

drops.

(Operational voltage range 170 – 264 V, 47 – 66 Hz)

DC Power

S: 12 V DC

MULTI-TRANSMISSION

Communication: 2-wire, half-duplex

Transmission: conform to RS-422, EIA

Transmission speed: 125 kbps

Data encoding: SDLC

(Operational voltage range 12 V ±10 %, ripple 10 %p-p max.)

R: 24 V DC

(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

Control procedure: NRZ

Protocol: SIN-NET (M-System's)

22LS1 SPECIFICATIONS

ES-6557 Rev.6 Page 1/7

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

MODEL: 22LS1

Error check: CRC

Cable: CPEV-0.9 dia.

Transmission distance: 500 meters

MODEM / INTERFACE

Transmission: Conform to EIA RS-232-C

Communication: asynchronous, half-duplex, no procedure

Transmission speed: 50 – 2400 bps

RS-232C connector: 9-pin D-sub connector (female)

RS-232-C cable: Cross (provided by the user)

INSTALLATION

Power consumption

•AC: Approx. 4.5 VA

•DC: Approx. 4 W (160 mA at 24 V)

Operating temperature: -5 to + 50°C (23 to 122°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Atmosphere: No corrosive gas or heavy dust

Mounting: Surface or DIN rail

Weight: 400 g (0.88 lb)

PERFORMANCE

Permissible power failure duration: ≤ 10 msec.

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength: 500V AC @1 minute

(RS-232-C to SIN-NET to RUN contact output)

1500V AC @1 minute

(power to RS-232-C or SIN-NET or RUN contact output)

1500V AC @1 minute (FG to each section)

22LS1 SPECIFICATIONS

ES-6557 Rev.6 Page 2/7

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

MODEL: 22LS1

DESCRIPTIONS

■HOW TO SET STATION ADDRESSES

All units are connected in a series via a couple of modems. Assign to the pair of 22LS1 a number remote from those for 22LA1

units (such like FF, FE).

■DIP SWITCH SETTING

A) Modem type selecting:

Set SW1 through SW4 according to the type of modem combined with the 22LS1.

Transmission speed and format appropriate for each modem type are determined. If you change these settings, turn power

supply to the unit off and on.

B) Master/Slave selecting:

Set SW8 of a 22LS1 unit to Master and one of the paired unit to Slave.

If you change these settings, turn power supply to the unit off and on.

■HOW TO CALCULATE TRANSMISSION SPEED

A) When the total number of inputs at one side of the pair of modems (one station) is at the maximum of 256 in contact and 32

in analog:

N1: number of 22LA1-3A4 units

N2: number of 22LA1-3E5/-3E6 units

N3: number of 22LA1-3G3 units

N4: number of 22LA1-3G4 units

The number of input units (N1 to N4) determines Data Volume:

•Contact Inputs

B1 = (N1 + N2) × 6

•Analog Inputs

B2 = (N3 + N4) × 3 + (N3×8 + N4×4) × 2

•Total Data Volume

C0 = 5 + B1 + B2

Relation between the Total Data Volume and a time (Ta) required to transmit from one station (Master Station) is shown in the

following equation:

Ta = C0 × A

where A is a parameter determined by the transmission speed of modems:

A = 0.2933 (50 bps)

A = 0.0333 (300 bps)

A = 0.0083 (1200 bps)

A = 0.0042 (2400 bps)

The transmission speed (Tb) for the other station (Slave Station) can be calculated in the same way.

Actual time (TA) required for a contact (or analog) input to be transmitted from Master Station to Slave Station varies according

to timings of signal status change and transmission status, if there is no transmission error.

Ta ≤ TA ≤ Ta + Ta + Tb

B) When the total number of inputs at one side of the pair of modems (one station) is at the maximum of 256 in contact and 64

in analog:

When the total number of analog inputs exceeds 32, the 22LS1 divides them for transmission. Therefore time required for

transmitting analog and contact signals are different.

N1: number of 22LA1-3A4 units

N2: number of 22LA1-3E5/-3E6 units

N3: number of 22LA1-3G3 units

N4: number of 22LA1-3G4 units

The number of input units (N1 to N4) determines Data Volume:

•Contact Inputs

B1 = (N1 + N2) × 6

•Analog Inputs, first group

B2 = 88

•Analog Inputs, second group

22LS1 SPECIFICATIONS

ES-6557 Rev.6 Page 3/7

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

MODEL: 22LS1

B3 = [(N3 + N4) × 3 – 24] + (N3×8 + N4×4 – 32) × 2

•Total Data Volume, first group

C1 = 5 + B1 + B2

•Total Data Volume, second group

C2 = 5 + B1 + B3

•Contact Inputs

Relation between the Total Data Volume and a time (Ta) required to transmit contact inputs from one station (Master Station) is

shown in the following equation:

Ta = C1 × A

where A is a parameter determined by the transmission speed of modems (see A).

The transmission speed (Tb) for the other station (Slave Station) can be calculated in the same way.

Actual time (TA) required for a contact input to be transmitted from Master Station to Slave Station varies according to timings

of signal status change and transmission status, if there is no transmission error.

Ta ≤ TA ≤ Ta + Ta + Tb

•Analog Inputs

Relation between the Total Data Volume and a time (Ta) required to transmit analog inputs from one station (Master Station) is

shown in the following equation:

Ta = (C1 + C2) × A

where A is a parameter determined by the transmission speed of modems (see A).

The transmission speed (Tb) for the other station (Slave Station) can be calculated in the same way.

Acutal time (TA) required for a contact input to be transmitted from Master Station to Slave Station varies according to timings

of signal status change and transmission status, if there is no transmission error.

Ta ≤ TA ≤ Ta + Ta + Tb

■RUN CONTACT OUTPUT

RUN contact is turned off when one or more of the following three conditions occur:

•Failure of the 22LS1

Errors in power supply, memory, etc.

•SIN-NET communication errors

When there is an error occurs to 22LA1 or DLA1 units connected to the 22LS1.

•RS-232-C communication errors

When there is an error occurs in communication with the modem connected to the 22LS1 (communicating with the paired

22LS1 via leased circuit), such like wire breakdown.

[CAUTION]

When the network is reconfigured e.g. by noise interference,

the RUN LED and output for all units on the

network turn briefly OFF until they are turned ON after the reconfiguration is complete.

22LS1 SPECIFICATIONS

ES-6557 Rev.6 Page 4/7

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

MODEL: 22LS1

EXTERNAL VIEW

DIP Switches

Power Indicator LED

RUN Indicator LED

Master/Slave Selecting

PWR

RUN

Modem Type Selecting

Station No. Setting

Rotary Switches

SA1

SA2

Euro Type Connector Terminal

Jumper Pin

LINE

RUN

RS-232-C Connector

■ RS-232-C INTERFACE

ABBR. PIN NO. EXPLANATION OF FUNCTION

CF (CD)

BB (RD)

BA (SD)

Received Line Signal Detector

Received Data

Transmitted Data

CD (ER)

AB (SG)

CC (DR)

DTE Ready

Signal Common

DCE Ready

CA (RS)

CB (CS)

(RI)

Request to Send

Clear to Send

(Not Used)

• RS-232-C Connection Example

Modem

(model: MODx)

Modem Interface

(model: 22LS1)

CF (CD)

BB (RD)

BA (SD)

CD (ER)

AB (SG)

CC (DR)

CA (RS)

CB (CS)

(RI)

(SD) BA

(RD)BB

(RS)CA

(CS)CB

(DR)CC

(SG)AB

(CD)CF

(ER)CD

Use a cross-type cable as shown above.

CONNECTION DIAGRAM

TWISTED PAIR

–

RS-232-C

JUMPER PIN*

TERMINATOR

RUN CONTACT

OUTPUT

U(+)

V(–)

POWER

GROUNDING FG

*When the unit is located at the end of transmission line via

twisted-pair cable (= no cross-wiring), short across the terminals

C – D with the jumper pin (or wire) provided with the unit.

Remove the jumper pin for the one not located at the end.

22LS1 SPECIFICATIONS

ES-6557 Rev.6 Page 5/7

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

MODEL: 22LS1

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

CLAMP

(top & bottom)

7.8 (.31)

DIN RAIL

35mm wide

2–4.5 (.18) dia.

MTG HOLE

25 (.98) deep

10 11

11–M3.5

SCREW

50 (1.97)

12 (.47)

103 (4.06)

132 (5.20)

40 (1.57)

50 (1.97)

80 (3.15) min.

[3.3 (.13)]

•When mounting, no extra space is needed between units.

SYSTEM CONFIGURATION EXAMPLES

■ 1 to 1 TRANSMISSION

Master Station Control Room

Local (Slave) Station

300 bps

Modem

Model: MOD2

300 bps

Modem

Model: MOD2

SIN-NET

Leased Circuit

Multi-Transmission

Module

Model: 22LA1

Modem

Interface

Model: 22LS1

Modem

Interface

Model: 22LS1

Multi-Transmission

Module

Model: 22LA1

■ 1 to N TRANSMISSION

Master Station Control Room

Slave Sta. 1

SIN-NET

Model: MOD2

Leased Circuit

SIN-NET

Model: 22LS1

Model: 22LA1

Slave 1 Outputs

Slave Sta. 2

Model: 22LS1

Slave 2 Outputs

Slave Sta. n

Model: 22LA1

Slave "n" Outputs

22LS1 SPECIFICATIONS

ES-6557 Rev.6 Page 6/7

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

MODEL: 22LS1

Specifications are subject to change without notice.

22LS1 SPECIFICATIONS

ES-6557 Rev.6 Page 7/7

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

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