iii
CONTENTS
GUIDE TO INSTALLATION ......................................................................... v
GENERAL VIEW ..........................................................................................vi
SAFETY PRECAUTIONS............................................................................vii
Laser Safety.................................................................................................vii
Power Supply................................................................................................ix
1 GENERAL FEATURES ................................................................................ 1
1.1 Introduction...................................................................................................1
1.2 Description.................................................................................................... 1
1.3 Available Models........................................................................................... 3
1.4 GFC-2100 Accessory Installation.................................................................. 4
2 INSTALLATION............................................................................................ 5
2.1 Package Contents......................................................................................... 5
2.2 Mechanical Installation.................................................................................. 6
2.3 Electrical Connections ..................................................................................7
2.3.1 Power Supply................................................................................................ 9
2.3.2 Main Serial Interface..................................................................................... 9
RS232 Interface.......................................................................................... 10
RS485 Full-Duplex Interface....................................................................... 11
RS485 Half-Duplex Interface ...................................................................... 12
20 mA Current Loop Interface (INT-22 Accessory Only)............................. 14
2.3.3 Auxiliary RS232 Interface............................................................................15
Code Verifier............................................................................................... 16
2.3.4 Inputs.......................................................................................................... 16
2.3.5 Outputs .......................................................................................................18
2.4 Positioning .................................................................................................. 19
2.5 Typical Layouts...........................................................................................20
2.5.1 Point-to-Point .............................................................................................. 21
2.5.2 Pass-Through ............................................................................................. 22
2.5.3 RS232 Master/Slave................................................................................... 23
2.5.4 RS485 Master/Slave................................................................................... 24
2.5.5 Multiplexer Layout....................................................................................... 25
3 READING FEATURES ............................................................................... 26
3.1 Step-Ladder Mode ...................................................................................... 26
3.2 Picket-Fence Mode.....................................................................................27
3.3 Performance ............................................................................................... 28
3.3.1 Raster .........................................................................................................28
3.4 Reading Diagrams ...................................................................................... 29