ES-6782 Rev.3

DAL4

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

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
  Max. loss 11 dB*1
• GI-850 nm (DAL4-5)
Transmission distance:
2.5 kilometers max.
Connector: JIS F01 connector
Applicable fiber:
  Core/clad dia. 50/125 µm
  Max. loss 7 dB*1
• GI-850 nm (DAL4-7)
Transmission distance: 4 kilometers max.
Connector: JIS F01 connector
Applicable fiber:
  Core/clad dia. 50/125 µm
  Max. loss 12 dB*1
*1. Total of connection and transmission loss.

INSTALLATION

Power consumption
AC: Approx. 11 VA
DC: Approx. 250 mA
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 300 g (0.66 lb)

PERFORMANCE

Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(PORT-A to PORT-B to PORT-C to power to FG)

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

■DAL4-1
■DAL4-2
■DAL4-5, 7

MOUNTING REQUIREMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

LIGHTNING SURGE PROTECTION