User Manual
                XL7 User Manual 
Visual map of major tasks and the key chapters to assist you 
FIRST STEP of ANY TASK:  DATASHEET 
Each XL7 OCS unit is sent with a datasheet in the box. The datasheet (MAN0971-02-EN) is the first 
document to refer to for model-specific information related to XL7 OCS models such as pin-outs, 
jumper settings, and other key installation information. To obtain updates to datasheets, manuals 
and user documentation, visit a Horner website (US: 
http://www.heapg.com and Europe: 
http://www.horner-apg.com.) 
QUICK START 
INSTALLATION 
PROGRAMMING 
TROUBLESHOOTING 
Safety / Compliance 
page 11 
Safety / Compliance 
page 11 
Safety / Compliance 
page 11 
Safety / Compliance 
page 11 
Introduction 
page 13 
Introduction 
page 13 
Introduction 
page 13 
Introduction 
page 13 
Mechanical Installation  
page 16 
Serial Communications 
page 24 
Maintenance 
page 100 
Electrical Installation 
page 22 
CAN Communications 
page 26 
Troubleshooting 
page 102 
Ethernet 
page 28 
Communication Options 
page 33 
Removable Media 
page 34 
High Speed I/O 
page 44 
System Settings 
page 53 
User Interface 
page 65 
Registers 
page 74 
Cscape Configuration 
page 79 
Fail- Safe System 
page 89 
Clone Unit 
page 96 
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