Rockwell Automation 1746-HSCE2 Multi-Channel High Speed Counter Module - Manual (Page 42)

Publication 1746-UM002B-EN-P - August 2004
3-2 Installation and Wiring
For specific information required by EN61131-2, see the appropriate
sections in this publication, as well as the following Allen-Bradley
publications:
• Industrial Automation, Wiring and Grounding Guidelines for
Noise Immunity, publication 1770-4.1
• Automation Systems Catalog, publication B111
Prevent Electrostatic
Discharge
Setting the Jumpers Six jumpers are located in a column on the side of the module. Use
the jumpers to select the input voltage for each of the inputs A1, B1,
Z1, A2, B2, and Z2. The settings are shown in the figure on the
following page.
ATTENTION
!
Static discharges may cause permanent damage to
the module. Follow these guidelines when you
handle the module:
• Touch a grounded object to discharge static
potential.
• Wear an approved wrist-strap grounding device.
• Handle module by plastic case only. Avoid
contact between module circuits and any surface
which can hold an electrostatic charge.
• If available, use a static-safe work station.