Open Network (Parallel)/DMM

Optical Data Transmission Device

This device is able to connect directly to CC-Link system.

  • Overview
  • Specifications
  • External dimension
  • I/O circuit
  • Downloads

Overview

-> 8-bit type deice can communicate with DMS-GB/HB and DMG-GB/HB and 16-bit type can communicate with DMS-GC/HC.
-> It is possible to connect maximum 64 units to one master unit.

Examples

Model

Specifications

Model No. DMM-GB1 DMM-HB1 DMM-GC1 DMM-HC1
Direction HEAD-ON SIDE-ON HEAD-ON SIDE-ON
Power source 24VDC(18 to 30VDC available)
Optical communication part Transmission distance 0 to 1m*1 0 to 3m*2
Directional angle Full angle 30° Full angle 26°
Transmission capacity(I/O) 8BIT/8BIT 16BIT/16BIT*3
Transmission method Half-duplex two-way transmission
Transmission time 40ms 15ms
Modulation method Pulse modulation FSK modulation
Detection method Parity check Bit-reverse comparison system
CC-Link part Transmission speed 10Mbps/5Mbps/2.5Mbps/625kbps/156kbps(Changeover by switch)
Communication system Polling system
Synchronous system Frame synchronous system
Transmission path RS-485bus
Remote station Nos. 1 to 64
Occupied station 1 station
Connecting cable CC-Link exclusive cable and CC-Link high quality cable
Max. extending cable*4 Speed(bps): 10Mbps, 5Mbps, 2.5Mbps, 625kbps, 156kbps
Exclusive cable: 100m, 150m, 200m, 600m, 1,200m
High quality cable: 100m, 160m, 400m, 900m, 1,200m
Connecting system Connector type(5 pins)
Ambient temperature/ humidity -10 to +50 degrees C, 85%RH or less(Not condensing)
Ambient illuminance Halogen 4,000 lx or less, mercury lamp 4,000 lx or less
*1. 3m type is also available.
*2. Distance can be changed by adjuster.
*3. 16th bit can be changed to Select input/GO output by input changeover switch.
*4. Total extended distance changes depending on total

External dimension

External dimension

I/O Circuit

Connection

5P side(CC-Link connection)
Signals Functions Position
DA Signal cable 1
DAR Terminator provided 2
DB Signal cable 3
DG Signal GND cable 4
SLD Shield cable 5
Note) If this device is connected to terminator, it is shorted between DA and DAR by the wire with 1mm.
3P side(Power source)
Signals Functions Position
FG Ground 1
+24V DC power 2
+0V DC power 3
Note) Don't make a wiring with main circuit, high-voltage line or load wire because it is not affected by noise and surge induction.

Characteristics Data

Option

Downloads

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