AB Quality 1746-HSCE2, Installation Instructions Manual

Page 1: ...ean Union Directives 3 Hazardous Location Considerations 4 Environnements dangereux 4 Hardware Features 5 LEDs 6 Prevent Electrostatic Discharge 6 Setting the Jumpers 7 Installing the Module 8 Important Wiring Considerations 9 Removing the Terminal Block 10 Input and Output Connections 10 Encoder Wiring 10 Electronic Protection 14 Specifications 16 ...

Page 2: ...ion from the internet at www theautomationbookstore com purchase a printed manual by contacting your local distributor or Rockwell Automation representative visiting www theautomationbookstore com and placing your order calling 1 800 963 9548 USA Canada or 001 330 725 1574 Outside USA Canada For Refer to this Document Pub No A more detailed description on how to install configure and operate your ...

Page 3: ... EMC Generic Emission Standard Part 2 Industrial Environment EN 50082 2 EMC Generic Immunity Standard Part 2 Industrial Environment This product is intended for use in an industrial environment Low Voltage Directive This product is tested to meet Council Directive 73 23 EEC Low Voltage by applying the safety requirements of EN 61131 2 Programmable Controllers Part 2 Equipment Requirements and Test...

Page 4: ...air suitability for Class I Division 2 Do not replace components or disconnect equipment unless power has been switched off and the area is known to be non hazardous Do not connect or disconnect connectors or operate switches while circuit is live unless the area is known to be non hazardous All wiring must comply with N E C article 501 4 b MISE EN DANGER D EXPLOSION La substitution de composants ...

Page 5: ...002A US P Hardware Features The module s hardware features are illustrated below COUNTER 1 0 2 3 OUTPUT STATUS INPUT STATUS FLT RUN A1 B1 Z1 A2 B2 Z2 HSCE2 Output Status LEDs Running Status LED Fault Status LED Input and Output Terminals Input Status LEDs ...

Page 6: ...ut overcurrent A1 Yellow ON OFF status of input A1 A2 Yellow ON OFF status of input A2 B1 Yellow ON OFF status of input B1 B2 Yellow ON OFF status of input B2 Z1 Yellow ON OFF status of input Z1 Z2 Yellow ON OFF status of input Z2 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 poten...

Page 7: ...in the figure below The 5V dc settings respond to inputs with a active or high settings between 4 2 and 12 volts The 24V dc settings respond to inputs with active or high settings between 10 and 30 volts IMPORTANT For a 12V dc encoder signal use the 24V dc jumper setting ATTENTION If jumpers are not set to match the encoder type the module may be damaged 5V dc 4 2 12V dc 24V dc 10 30V dc JP6 Z2 JP...

Page 8: ...the chassis card guide as shown below The first slot of the first chassis is reserved for the processor 3 Slide the module into the chassis until the top and bottom latches catch To remove the module press the release clips at the top and bottom of the module and slide it out 4 Cover all unused card slots with the Card Slot Filler catalog number 1746 N2 ATTENTION Disconnect power before attempting...

Page 9: ...ew Connect the shield at the encoder end only if the housing is isolated from the motor and ground If you have a junction in the cable treat the shields as a conductor at all junctions Do not ground them to the junction box Considerations for Reducing Noise In high noise environments the 1746 HSCE2 inputs may accept false pulses particularly when using low frequency input signals with slowly slopi...

Page 10: ...res Tighten screws only tight enough to immobilize the wire The torque applied to the screw should not exceed 0 9 Nm 8 in lb Encoder Wiring Differential encoders provide the best immunity to electrical noise We recommend whenever possible to use differential encoders The wiring diagrams on the following pages are provided to support the Allen Bradley encoders you may already own ATTENTION To avoid...

Page 11: ...encoder matches these waveforms the encoder signals can be directly connected to the associated screw terminals on the module For example the A lead from the encoder is connected to the module s A screw If your encoder does not match these waveforms some wiring modifications may be necessary See the user s manual for your encoder A A B B Z Z A A B B Z Z GND VS VDC COM Cable 1 Power Suppl Allen Bra...

Page 12: ...n For 24V dc jumper position where R pull up resistor value Vcc power supply voltage Vmin 4 2 V dc Imin 6 3 mA Single Ended Encoder Output Waveforms The figure below shows the single ended encoder output waveforms When the waveform is low the encoder output transistor is on When the waveform is high the encoder output transistor is off Power Supply Voltage Vcc Pull up Resistor Value R 1 1 Resistan...

Page 13: ...calculate the resistor value use one of the following formulas For 5V dc For 24V dc where R pull up resistor value Vcc power supply voltage Vmin 4 2 V dc Imin 6 3 mA Power Supply Voltage Vcc Pull up Resistor Value R 1 1 Resistance values may change depending upon your application 5V dc 127 Ω 12V dc 238 Ω 24V dc 2140 Ω VS A A B B Z Z VDC COM VS OUT COM OUT COM VS OUT COM R 1 Power Supply proximity ...

Page 14: ...el overload occurs as described above all channels turn off within milliseconds after the thermal cut out temperature has been reached While the overcurrent condition is present the module tries resetting the outputs at intervals of 500 ms If the fuse cools below the thermal cut out temperature all outputs will auto reset and resume control of their external loads as directed by the module until t...

Page 15: ...reset the outputs at intervals of 500 ms During each retry the fuse status bit is reset 0 After the overload condition is corrected the fuse status bit resets 0 automatically When FB1 is set outputs 0 through 4 will not function 3 All output channels will be turned off in the case of a short circuit or overload condition Recovery from Channel Shutdown 1 Remove the SLC 500 system power and correct ...

Page 16: ...o 85 C 40 F to 185 F Humidity 5 to 95 without condensation Backplane Current Consumption power supply loading 250 mA at 5V dc 0 mA at 24V dc Backplane Isolation 1000V dc Maximum Cable Length 300m 1000 ft Agency Certification UL listed C UL listed Class I Division 2 Groups A B C and D CE certified for all applicable directives when product or packaging is marked ...

Page 17: ...V dc to 30V dc On State Voltage min 4 2V 10V Off State Voltage max 0 8V 3V Maximum Off state Leakage Current 100 µA 100 µA Input Current max 8 mA 20 mA Input Current min 6 3 mA 6 3 mA Nominal Input Impedance 500 Ω 1500 Ω Min Pulse Width 475 ns 475 ns Min Phase Separation 200 ns 200 ns Max Input Frequency 1 MHz 1 MHz Isolation from backplane 1000V 1000V Isolation from outputs 500V 500V ...

Page 18: ...ts 500V ATTENTION A transient pulse occurs in transistor outputs when the external dc supply voltage is applied to the output common terminals for example via the master control relay This can occur regardless of the processor having power or not For most applications the energy of this pulse is not sufficient to energize the load Refer to the SLC 500 Modular Hardware Style Installation and Operat...

Page 19: ...Multi Channel High Speed Counter 19 Publication 1746 IN002A US P ...

Page 20: ...Publication 1746 IN002A US P February 2000 PN 40071 078 01 A Supersedes Publication 1746 5 21 March 1999 2000 Rockwell International Corporation Printed in the U S A ...