106 — 2. function, Specifications – Yaskawa MEMOCON GL120 User Manual

Page 162

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System Components: Functions and Specifications

4.4.2 Remote I/O Driver Module

— 4-106 —

2. Function

Remote I/O Driver Modules function as the master station for a Remote I/O System using
coaxial cable as the transmission cable.

3. Specifications

The specifications of the Remote I/O Driver Module are shown in the following table.

Table 4.44 Specifications of Remote I/O Driver Module

Item

Specifications

Model Name

RIOD-COAX

Model No.

JAMSC-120CRD13100

Internal Current Consumption

800 mA

Maximum Heating Value

4.0 W

Hot Swapping (Removal/Insertion

Under Power)

Not permitted

Approximate Mass

300 g

External Dimensions

Width:

1

40.3 mm

Height: 130 mm

Depth: 103.9 mm

Remote I/O Port Specifications

Topology

(Communications

Network)

Bus

Media Access Control

Method

Multi-drop (1:n communications)

Media

(Transmission Medium)

Coaxial cable (75Ω)

Modulation Method

Base band

Encoding Method

Manchester code

Baud Rate

Choose from 0.5/1/2/4 Mbps

Transmission Distance

Transmission distance varies according to the baud rate

and specifications of coaxial cable. If, for example, the

baud rate is 4 Mbps and 12C-5AF Coaxial Cable is

used, it is possible to transmit up to 1 km max.

Number of Stations

15 max. (Up to 15 Remote I/O Receiver Modules are

connectable.)

Error Measures (RAS)

Automatic parallel off and malfunctioning station

recovery

Synchronization Method

Frame

Communications Format

Conforms to HDLC.

Insulation Method

Pulse transformer

Connector

BNC connector

4

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