Instruction Manual
Table Of Contents
- 1769-UM006E-EN-P, Compact High-speed Counter Module User Manual
- Summary of Changes
- Table of Contents
- Preface
- 1 - Module Overview
- 2 - Module Operation
- 3 - Installation and Wiring
- 4 - Module Configuration, Output, and Input Data
- Configure the Module
- Configuration Array
- General Configuration Bits
- Filter Selection
- Program Mode and Program State Run
- Output Program Value (Out0ProgramValue through Out3ProgramValue)
- Output Fault Mode and Output Fault State Run
- Output Fault Value (Out0FaultValue through Out3FaultValue)
- Counter Maximum Count (CtrnMaxCount)
- Counter Minimum Count (CtrnMinCount)
- Counter Preset (CtrnPreset)
- Counter Hysteresis (CtrnHysteresis)
- Counter Scalar (CtrnScalar)
- Cyclic Rate Update Time (CtrnCyclicRateUpdateTime)
- Configuration Flags
- Range High Limit (Range0To11[n].HighLimit) and Range Low Limit (Range0To11[n].LowLimit)
- Range Output Control (Range0To11[n].OutputControl)
- Range Configuration Flags
- Output Array
- Output on Mask (OutputOnMask.0 through OutputOnMask.15)
- Output Off Mask (OutputOffMask.0 through OutputOffMask.15)
- Range Enable (RangeEn.0 through RangeEn.15)
- RBF - Reset Blown Fuse (ResetBlownFuse)
- Control Bits
- Range High Limit or Direct Write Value (Range12To15[n].HiLimOrDirWr)
- Range Low Limit (Range12To15[n].LowLimit)
- Range Output Control (Range12To15[n].OutputControl)
- Range Configuration Flags (12To15)
- Input Array
- Input State (InputStateA0 through InputStateZ1)
- Readback (Readback.0 through Readback.15)
- Status Flags
- Range Active (RangeActive.0 through RangeActive.15)
- Current Count (Ctr[n].CurrentCount)
- Stored Count (Ctr[n].StoredCount)
- Current Rate (Ctr[0].CurrentRate to Ctr[3].CurrentRate)
- Pulse Interval (Ctr[0].PulseInterval and Ctr[1].PulseInterval)
- Status Flags
- 5 - Diagnostics and Troubleshooting
- A - Specifications
- B - Program a 1769-HSC Module, CompactLogix Controller, and 845F Incremental Encoder with RSLogix 5000 Software
- C - Program a 1769-HSC Module, MicroLogix 1500 Controller, and 845F Incremental Encoder with RSLogix 500 Software
- D - Programming Quick Reference
- E - History of Changes
- Glossary
- Index
- Back Cover
110 Rockwell Automation Publication 1769-UM006E-EN-P - July 2013
Chapter 5 Diagnostics and Troubleshooting
Stand Clear of the Machine
When troubleshooting any system problem, have all personnel remain clear of the
machine. The problem could be intermittent, and sudden unexpected machine
motion could occur. Have someone ready to operate an emergency stop switch in
case it becomes necessary to shut off power to the machine.
Program Alteration
There are several possible causes of alteration to the user program, including
extreme environmental conditions, Electromagnetic Interference (EMI),
improper grounding, improper wiring connections, and unauthorized tampering.
If you suspect a program has been altered, check it against a previously saved
program on an EEPROM or UVPROM memory module.
Safety Circuits
Circuits installed on the machine for safety reasons, like over-travel limit
switches, stop push buttons, and interlocks, should always be hard-wired to the
master control relay. These devices must be wired in series so that when any one
device opens, the master control relay is de-energized, thereby removing power to
the machine. Never alter these circuits to defeat their function. Serious injury or
machine damage could result.