Rockwell Automation 1771-CFM Config. Flowmeter Installation Instructions User Manual
Page 4

CFM QRD
QRC
19807
Configurable Flowmeter Module
4
Publication 1771ĆIN043B-EN-P - July 2002
!
ATTENTION
Preventing Electrostatic Discharge
This equipment is sensitive to electrostatic
discharge, which can cause internal damage and
affect normal operation. Follow these guidelines
when you handle this equipment:
•
Touch a grounded object to discharge potential
static.
•
Wear an approved grounding wriststrap.
•
Do not touch connectors or pins on component
boards.
•
Do not touch circuit components inside the
equipment.
•
If available, use a static–safe workstation.
•
When not in use, keep modules in appropriate
static–safe packaging.
Your CFM module receives its power through the 1771 I/O chassis
backplane from the chassis power supply. The maximum current
drawn by the CFM module is 0.8A. Add this value to the
requirements of all other modules in the I/O chassis to prevent
overloading the chassis backplane and/or backplane power supply.
ATTENTION
!
When using a 1771-P7 or 1771-PS7 power supply
to power an I/O chassis, you cannot place more
than four CFM modules in this chassis. The
interaction between the four CFM modules and
the 1771-P7 or 1771-PS7 power supply (not 16A
limit) prevents the power supply from powering
up.
If you are using the 1771ĆCFM as a
Set the jumper to
replacement for a 1771ĆQRC module (no BTW / 3 word BTR)
QRC
replacement for a 1771ĆQRD module (1 word BTW / 9 word BTR)
QRD
CFM module (software configurable)
CFM
Calculate Power
Requirements
Setting the Module
Operational Jumper