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Installation

25

Note:

The DIP switches are OFF by default. Turn them ON only if

an encoder that specifically needs a pull-up or pull-down resistor
is used.

The configuration of the DIP switches is shown in the table below:

Encoder type

1

2

3

4

Resistors

connected

Notes

Differential push-pull

off

off

off

off

no

Default setting

Single-ended push-pull

off

off

off

off

no

Default setting

Open collector (sinking)

on

on

on

off

yes

Resistors pull up
(A+, B+, Z+)

Open emitter

on

on

on

on

yes

Resistors pull down
(A+, B+, Z+)

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Summary of Contents for FEN-31

Page 1: ...ABB Drives User s Manual HTL Encoder Interface FEN 31 ...

Page 2: ......

Page 3: ...HTL Encoder Interface FEN 31 User s Manual 3AUA0000031044 Rev A EN EFFECTIVE 16 6 2008 2008 ABB Oy All Rights Reserved ...

Page 4: ......

Page 5: ... should be carried out by qualified electricians only The drive and adjoining equipment must be properly grounded Do not attempt any work on a powered drive After switching off the mains always allow the intermediate circuit capacitors 5 minutes to discharge before working on the frequency converter the motor or the motor cable It is good practice to check with a voltage indicating instrument that...

Page 6: ...Safety instructions 6 ...

Page 7: ...nce 9 Before you start 9 What this manual contains 9 Overview 11 Overview 11 FEN 31 HTL Encoder Interface 11 Compatibility 13 Installation 15 Setting the supply voltage 15 Mounting 16 Terminal designations 17 Encoder wiring 19 Power consumption and cable length 28 Phasing 29 Programming 29 Fault tracing 31 Diagnostic LEDs 31 Cable fault diagnosis 31 ...

Page 8: ...Table of contents 8 Technical data 33 ...

Page 9: ...s to the inputs and outputs of the drive are switched off In addition to conventional installation tools have the drive manuals available during the installation as they contain important information not included in this manual The drive manuals are referred to at various points of this document What this manual contains This manual contains information on the wiring configuration and use of the F...

Page 10: ...Introduction 10 ...

Page 11: ...A PTC or KTY temperature sensor can be attached to one of the connections of the FEN 31 interface FEN 31 offers an RS 422 standard compliant TTL encoder emulation output and two digital inputs It also includes cable fault diagnostics for some HTL encoder types See the drive Firmware manual for details FEN 31 layout TTL emulation output X83 HTL encoder input X82 HTL encoder supply voltage X81 Fixin...

Page 12: ...Overview 12 FEN 31 connections ACSXXX Encoder ACSXXX optional FEN 31 X84 X81 X82 X83 Sensor optional ...

Page 13: ...ng screw connects the chassis to ground Compatibility FEN 31 is compatible with the following encoders Differential push pull HTL encoders Single ended push pull HTL encoders Open collector HTL encoders Open emitter HTL encoders X83 X82 X81 X84 X201 B A CHASSIS TTL encoder emulation output HTL encoder input HTL encoder supply voltage Digital latches Fixing screw Connection to the drive ...

Page 14: ...Overview 14 ...

Page 15: ...m can be used to supply an encoder The supply voltage is selected by placing a jumper on connector X81 as described in the figure below The following supply voltages can be selected 15 V DC 20 200mA max 24 V DC 20 200mA max You can also connect an external 10 24 V DC power supply to pins 4 and 5 in connector X81 In that case the jumper must be removed Encoder supply voltage available on pins X81 4...

Page 16: ...or more information The module is held in place with plastic retaining clips and one screw The screw also provides the earthing of the cable shields connected to the module and interconnects the GND signals of the module and the drive On installation of the module the signal and power connection to the drive is automatically made through a 20 pin connector Mounting procedure Insert the module care...

Page 17: ...ital in DO Digital out PO Power out Pin Signal name Direction Description 1 15V_B PO Supply voltage 2 VCC external supply PO Encoder supply voltage 3 24V_B PO Supply voltage 4 VCC external supply PO Encoder supply voltage 5 0V_B Common 6 PCT KTY DI Temperature sensor non isolated 7 GND Shield ...

Page 18: ...I A channel inverted 3 B DI B channel 4 B DI B channel inverted 5 Z DI Marker pulse 6 Z DI Marker pulse inverted 7 GND Shield Pin Name Direction Description 1 EM_A DO Channel A 2 EM_B DO Channel B 3 EM_Z DO Channel Z 4 COM_B 0V Common 5 NC Not connected 6 EM_A Channel A 7 EM_B Channel B 8 EM_Z Channel Z 9 COM_B 0V Common Shield Chassis ...

Page 19: ...isted pairs See also the encoder manual for additional requirements To prevent the encoder inputs from being disturbed the cable shield must be connected to the chassis Note Do not route the encoder cables parallel to power e g motor cables Pin Name Direction Description 1 24V_B PO Supply voltage 2 COM_B Common 3 DI_1 DI Latch signal 1 4 DI_1 Latch signal 1 return 5 DI_2 DI Latch signal 2 6 DI_2 L...

Page 20: ...l push pull HTL encoder Cable pair number Signals name Connector plug and pin number 1 A X82 1 A X82 2 2 B X82 3 B X82 4 3 Z X82 5 Z X82 6 4 VCC X81 4 COM_B X81 5 1 1 0 VCC 0V 2 FEN 31 B B Z Z SHLD 2 0 1 2 3 4 5 6 A A 7 X82 Encoder X81 15V 24V 24V_B VCC 0 V SHLD 1 2 3 4 5 6 VCC 15V_B 7 PCT KTY ...

Page 21: ...ring diagram for single ended push pull HTL encoder Signals name Connector plug and pin number A X82 1 B X82 3 Z X82 5 VCC X81 4 COM_B X81 5 1 0 VCC 0V 2 X81 FEN 31 B B Z Z SHLD 15V 24V 1 2 3 4 5 6 A A 7 24V_B VCC 0 V SHLD 1 2 3 4 5 6 VCC 15V_B X82 Encoder 7 PCT KTY ...

Page 22: ... emitter HTL encoder To use single ended open collector and open emitter HTL encoders the interface unit needs to have pull up resistors configured Signals name Connector plug and pin number A X82 1 B X82 3 Z X82 5 VCC X81 4 COM_B X81 5 1 0 VCC 0V 2 X81 FEN 31 B B Z Z SHLD 15V 24V 1 2 3 4 5 6 A A 7 24V_B VCC 0 V SHLD 1 2 3 4 5 6 VCC 15V_B X82 Encoder 7 PCT KTY ...

Page 23: ...sistor opens the circuits the signal line is passively pulled high by the 1 5 kilo ohm load resistor in FEN 31 Resistor configuration for open emitter HTL encoder For open emitter HTL encoder the OUT channel A B Z is actively driven high when the transistor closes the circuit When transistor opens the circuits the signal line is passively pulled low by the 1 5 kilo ohm load resistor in FEN 31 ...

Page 24: ...ating These floating ends can be connected via DIP switches between connectors X81 and X82 DIP switches 1 2 and 3 connect the floating ends of the resistors Switch 4 selects whether the resistor ends connected together are further connected to 0V or VCC ground or supply voltage Note To access the DIP switches the FEN 31 cover has to be removed DIP switches located under the cover ON OFF ...

Page 25: ...sed The configuration of the DIP switches is shown in the table below Encoder type 1 2 3 4 Resistors connected Notes Differential push pull off off off off no Default setting Single ended push pull off off off off no Default setting Open collector sinking on on on off yes Resistors pull up A B Z Open emitter on on on on yes Resistors pull down A B Z ...

Page 26: ...gram for TTL emulation output Cable pair number Signals name X83 connecting plug pin number 9 pin 1 EM_A 1 EM_A 6 2 EM_B 2 EM_B 7 3 EM_Z 3 EM_Z 8 4 COM_B 4 COM_B 9 FEN 31 X83 EM_A EM_A EM_B EM_B EM_Z EM_Z COM_B COM_B 0V 0V 0 0 2 2 1 1 NC 5 4 9 8 3 7 2 6 1 ...

Page 27: ...put wiring Wiring diagram for position latch digital input Cable pair number Signals name X84 connecting header pin number 6 pins 1 24V_C 1 COM_C 2 2 DI_1 3 DI_1 4 3 DI_2 5 DI_2 6 FEN 31 X84 DI1 DI1 DI2 DI2 VCC COM_C 0V VCC 2 2 1 1 2 1 6 5 4 3 ...

Page 28: ...ments Approximate power consumption of an encoder for four different cable lengths 0 150 300 450 600 750 900 1050 1200 1500 1350 0 600 1200 1800 2400 3000 3600 4200 4800 6000 5400 EPN 2048 ppr EPN 512 ppr EPN 1024 ppr EPN Encoder pulse number Pidle Encoder power consumption when idle See encoder documentation Motor speed rpm 0 300 600 900 1200 1500 1800 2100 2400 3000 2700 Pidle Pidle 0 25 W Pidle...

Page 29: ...ading channel by referring to the encoder documentation or by measuring with an oscilloscope The encoder output channel that leads when the drive runs Forward should be connected to FEN 31 input A the output channel that trails to FEN 31 input B The zero reference output channel usually marked 0 N or Z needs to be connected in positioning applications only Programming FEN 31 is programmed through ...

Page 30: ...Installation 30 ...

Page 31: ...ault diagnostics are implemented for the HTL encoder input The cable fault diagnostics function samples voltage on each of the six signal connections to detect a missing signal wire connection For details about HTL encoders supported by the cable fault diagnostics function see the drive Firmware manual Colour Description STATUS LED Green OK Orange Not initialized or communication fault to control ...

Page 32: ...Fault tracing 32 ...

Page 33: ...atches and cabling 5W Degree of protection IP20 Ambient conditions The applicable ambient conditions specified for the drive in its Hardware Manual are in effect Connectors 20 pin socket 2 x 7 pin detachable plugs max 2 5 mm2 wire tightening torque 0 5 N m 5 lbf in 9 pin D Sub 106 mm 26 mm 31 mm 1 22 in 1 02 in 4 17 in 2 48 in 63 mm ...

Page 34: ... signal frequencies reliably Signal levels 0 3 5 V and 1 7 5 V Supported encoder types Differential Push Pull HTL encoders supply voltage 10 24 V Single ended Push Pull HTL encoders supply voltage 15 24 V Open collector HTL encoders supply voltage 15 24 V Open emitter HTL encoders supply voltage 15 24 V Supported cable lengths 300 m for differential push pull HTL encoders 200 m for single ended pu...

Page 35: ...H Z RS 422 485 500 kHz max Maximum cable length 100 m Performance Speed range 32768 32767 rpm Position resolution 4x pulse count rev Electrically isolated from the HTL input and control board Digital inputs for position latch X84 Output voltage 24 V DC 15 short circuit proof Signal levels 5 V 0 15 V 1 Isolated together with TTL encoder input ...

Page 36: ...Technical data 36 ...

Page 37: ......

Page 38: ...mation Technologies Drives Motors 16250 West Glendale Drive New Berlin WI 53151 USA Telephone 262 785 3200 800 HELP 365 Telefax 262 780 5135 ABB Beijing Drive Systems Co Ltd No 1 Block D A 10 Jiuxianqiao Beilu Chaoyang District Beijing P R China 100015 Telephone 86 10 5821 7788 Fax 86 10 5821 7618 3AUA0000031044 Rev A EN EFFECTIVE 16 6 2008 ...

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