Datalogic QLM500 Installation Manual Page 71
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25-PIN CABLE ELECTRICAL CONNECTIONS
59
5
5.2.3 RS485 Half-Duplex Interface
NOTE
This interface is provided for backward compatibility. We recommend using
the more efficient ID-NET™ network for Master/Slave or Multiplexer layouts.
The RS485 half-duplex (3 wires + shield) interface is used for polled communication
protocols.
It can be used for Multidrop connections with a Datalogic Multiplexer, (see par. 6.5) exploiting
a proprietary protocol based on polled mode called MUX32 protocol, where a master device
polls slave devices to collect data.
The connector pinout follows:
25-pin
Name
Function
2
RTX+
RS485 Receive/Transmit Data +
4
RTX-
RS485 Receive/Transmit Data -
7
GND
Ground
RTX+
2
RTX-
4
RTX485 +
RTX485 -
7
GND
MULTIPLEXER
RS485REF
DS2400N
1
Chassis
Figure 67 - RS485 Half-duplex Connections
This interface is forced by software when the protocol selected is MUX32 protocol.
In a Multiplexer layout, the Multidrop address must also be set via serial channel by the
Genius™ utility or by the Host Programming Mode.
Figure 68 shows a multidrop configuration with DS2400N scanners connected to a
Multiplexer.
CAUTION
This is an example of multidrop wiring. Consult the multiplexer manual for
complete wiring instructions.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: [email protected]
- REFERENCE MANUAL 1
- CONTENTS 3
- REFERENCES 5
- LASER SAFETY 6
- FCC COMPLIANCE 7
- POWER SUPPLY 7
- CE COMPLIANCE 8
- HANDLING 8
- GENERAL VIEW 10
- DS2400N Subzero 11
- 1 RAPID CONFIGURATION 13
- RAPID CONFIGURATION 15
- Auto Learn 18
- Auto Setup (Optional) 19
- STEP 5 – TEST MODE 25
- Host Mode Programming 26
- Alternative Layouts 26
- 2 INTRODUCTION 27
- 2.1.1 Indicators 28
- 2.2 ID-NET™ 28
- INTRODUCTION 29
- 2.3.1 Diagnostic Indication 31
- 2.3.2 X-PRESS™ Functions 32
- Test Mode Function 32
- AutoLearn Function 33
- AutoSetup Function 33
- Internal Temperature (°C) 34
- 2.5 MODEL DESCRIPTION 35
- 2.6 ACCESSORIES 36
- 3 INSTALLATION 37
- 3.2 MECHANICAL INSTALLATION 38
- 3.2.1 Mounting DS2400N 39
- Cover Screws 40
- INSTALLATION 43
- 3.3 POSITIONING 48
- CBX ELECTRICAL CONNECTIONS 49
- 4.1 POWER SUPPLY 50
- 4.2 MAIN SERIAL INTERFACE 50
- 4.2.1 RS232 Interface 51
- Multidrop Cable 54
- 4.3 ID-NET™ INTERFACE 55
- 4.3.1 ID-NET™ Cables 55
- Response Time (ms) 56
- Number of Nodes 56
- (brown) 61
- (black) (blue) 61
- PH-1 Photocell (PNP) 61
- 4.5.1 Code Verifier 64
- 4.6 OUTPUTS 64
- MAIN INTERFACE 67
- (SW SELECTABLE) 67
- DS2400N 69
- USER INTERFACE 69
- MULTIPLEXER 71
- 5.3 ID-NET™ INTERFACE 73
- 5.3.1 ID-NET™ Cables 73
- 5.5 INPUTS 79
- Vext 30 Vdc max 81
- 5.5.1 Code Verifier 82
- 5.6 OUTPUTS 82
- 5.7 USER INTERFACE - HOST 83
- 6 TYPICAL LAYOUTS 84
- 6.2 PASS-THROUGH 86
- 6.3 ID-NET™ 88
- ID-NET™ 90
- INTERFACE 93
- 6.4 RS232 MASTER/SLAVE 94
- 6.5 MULTIPLEXER LAYOUT 95
- 7 READING FEATURES 96
- Conveyor 98
- Laser Beam 98
- 7.2 LINEAR CODE READING 100
- 7.2.1 Step-Ladder Mode 100
- 7.2.2 Picket-Fence Mode 101
- 7.3 PERFORMANCE 102
- 7.3.1 Raster 102
- 7.4 READING DIAGRAMS 103
- DS2400N REFERENCE MANUAL 104
- READING FEATURES 105
- 8 MAINTENANCE 106
- 9 TROUBLESHOOTING 107
- TROUBLESHOOTING 109
- 10 TECHNICAL FEATURES 110
- TECHNICAL FEATURES 111
- GLOSSARY 112
- DECLARATION OF CONFORMITY 116
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