MODEL: DAL4

DAL4 SPECIFICATIONS

ES-6782 Rev.2 Page 1/6

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

Multiplex Transmission System

REPEATER

(SIN-NET, M-Bus use)

Functions & Features

• Extending No. of field devices and transmission distance

for DLA1, DLA2

• Branching

• Transmission media conversion (twisted-pair from/to fiber

optics)

• Repeater circuit incorporated in each port

Typical Applications

• Exceeding 1 kilometer (3280 ft) distance with DLA1 or

DLA2

• Using more than 16 DLA1 or DLA2 units

75

(2.95)

112

(4.41)

75

(2.95)

mm (inch)

MODEL: DAL4-[1]-[2]

ORDERING INFORMATION

• Code number: DAL4–[1]-[2]

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

(e.g. DAL4-1-M2)

[1] CABLE & PORT TYPE

1: Twisted-pair cable, 3 ports

2: Fiber optics (PCF), 2 ports + Twisted-pair cable, 1 port

5: Fiber optics (GI-850 nm), 1 port + Twisted-pair cable, 1 port

7: Fiber optics (GI-850 nm), 1 port + Twisted-pair cable, 1 port

[2] POWER INPUT

AC Power

M2: 100 – 240 V AC (Operational voltage range 85 – 264 V,

47 – 66 Hz)

DC Power

R: 24 V DC

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

RELATED PRODUCTS

• Standard multi-transmission unit (model: DLA1)

• Remote I/O unit (model: DLA2)

• Multi-transmission module (model: 22LA1)

• SIN-NET interface module (model: D3-NS1)

• Telemetering interface module (model: D3-NS2)

• Remote I/O interface module (model: D3-NS3)

• Lightning surge protector (model: MDP-DM3)

APPLICABLE NETWORK

SIN-NET, M-Bus

GENERAL SPECIFICATIONS

Construction: Stand-alone; terminal access at the front

Connection

Twisted-pair cable & power input: M3.5 screw terminals

(torque 0.8 N·m)

Optical fiber: Connector

Screw terminal: Nickel-plated steel

Housing material: Flame-resistant resin (black)

Isolation: PORT-A to PORT-B to PORT-C to power to FG

COMMUNICATION

■ TWISTED-PAIR CABLE

Cable: CPEV-0.9 dia.

Transmission Distance: 1 kilometer max. with 16 field units;

2 kilometers max. between two DAL4

■ FIBER OPTICS CABLE

• PCF

Transmission distance: 1 kilometer max.

Link: JIS F07 connector

Applicable fiber HC-20/07 (SUMITOMO):

Core/clad dia. 200/230 µm

• GI-850 nm (DAL4-5)

Transmission distance: 2.5 kilometers max.

Connector: JIS F01 connector

Applicable fiber:

Core/clad dia. 50/125 µm

• GI-850 nm (DAL4-7)

Transmission distance: 4 kilometers max.

Connector: JIS F01 connector

Applicable fiber:

Core/clad dia. 50/125 µm

*1. Total of connection and transmission loss.