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MAN0974-09-EN_XL7_UserManual
March 4
th
, 2019
Page 74 | 185
CHAPTER 11: GENERAL I/O
NOTE: The datasheet 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. Visit
the Horner websites to obtain datasheets, user documentation, and updates.
11.1
Overview
The XL7 OCS is a compact unit that contains high density, very versatile I/O. Using the I/O
properly requires wiring to the proper terminals, configuring jumpers inside the XL7 OCS unit
and configuring Cscape properly. This section will offer some tips and suggestions to configure
the I/O properly. For the register mapping of the I/O, refer to the
for the pages referencing register mapping.
11.2 Removing the XL7 OCS I/O Cover
Some I/O configurations require jumper settings to be changed in the XL7 OCS unit. Examples
of these settings are setting positive or negative logic on digital inputs or setting current or
voltage on analog inputs.
Each XL7 OCS I/O jumper is set to a factory default. Refer to the XL7 datasheet to find the
default setting to determine if a jumper change is necessary for a particular application.
To remove the I/O cover of the XL7 OCS, remove the four (4) Phillips screws from the I/O
back. It may help to place the XL7 OCS unit face down on a clean work surface. Once the four
screws are removed the I/O cover can be lifted straight off.
Figure 11.1
–
Removing the I/O Cover
WARNING: Power, including I/O power, must be removed from the unit prior to removing
the back cover. Failure to do so could result in electrocution and/or damage to equipment.
Wiring Details
Solid/Stranded Wire: 12-24 awg (2.5
–
0.2mm
2
)
Strip Length
: 0.28” (7mm)
Torque Rating: 4.5
–
7 in-lbs (050
–
0.78 N-m)