Motrona 6890.5060, 6890.5061, 6890.5066, 6890.5067, 6890.5069 User guide

Operating Manual

6890.5060, 6890.5061, 6890.5066, 6890.5067, 6890.5069

Monitor for speed, standstill and direction of rotation with incremental encoder signals

Available devices:

6890.5060: Monitor with 3 programmable output relays and 1 analog output

6890.5061: Monitor with 3 fast switching transistor outputs and 1 analog output

6890.5066: Monitor with 1 analog output only

6890.5067: Monitor with 3 programmable output relays only

6890.5069: Monitor with 3 fast switching transistor outputs only

Product features:

 Compact and most versatile monitor series for control of

overspeed, underspeed, standstill and direction of rotation

 Logical monitoring of remote motion enable signals
 Universal inputs for connection to incremental encoders (TTL, RS422 or HTL),

proximity switches, photocells remote TTL signals

 Extremely wide frequency range, operating from 0.1 Hz up to 1 MHz
 Easy setup by means of four keys and LCD menu
 All models include serial RS232 interface

motrona GmbH, Zeppelinstraße 16, DE - 78244 Gottmadingen, Tel. [phone], Fax [phone], [e-mail], www.motrona.com

Version:

Description:

6890.5060_01b_af/kk/hk_07/07

First edition in English

6890.5060_02a_af/kk/hk_01/08

Commands “Force Relays” and “Freeze Relays” added

6890.5060_03a_af/hk_11/08

Command Monitor for remote enable signal

6890.5060_03b_pp_11/11

Chapter 6.2.2 “Encoder properties” replaced TTL by HTL

6890.5060_03c_pp_07/12

Hint: “Special Menu” is password protected (Chap. 6.2.5)

6890.5060_03d_pp_11/12

Changed “Setting Range” for parameter “Wait Time” (code A3)

6890.5060_04a_sn_12/12

Additional device 6890.5061 and 6890.5069

6890.5060_04b_hk/nw_04/13

Small corrections

6890.5060_04c_sn_06/14

Small corrections Analog-Menu

6890.5060_04d/ag_04/15

Small corrections Analog-Menu.
New chapter 1. “Safety Instructions and Responsibility”.

6890.5060_04e_ag / Aug-15

- Analog output 4.13 – hint: only V or mA can be used (not both together)

- Analog menu 7.2.7 – some hints and a setup example supplemented

- Some smaller corrections and modulations

6890.5060_05a_af / Okt-16

Parameter Analogue ABS added
Parameter Preselection Mode increased to 9

Legal notices:

All contents included in this manual are protected by the terms of use and copyrights of motrona GmbH. Any
reproduction, modification, usage or publication in other electronic and printed media as well as in the internet requires
prior written authorization by motrona GmbH.

6890_5060_05a_oi_e.doc / Mrz-21 Page 2 / 40

Table of Contents

1. Safety Instructions and Responsibility ......................................................... 5

1.1. General Safety Instructions ................................................................................... 5

1.2. Use according to the intended purpose ................................................................ 5

1.3. Installation ............................................................................................................. 6

1.4. Cleaning, Maintenance and Service Notes ........................................................... 6

2. Introduction ................................................................................................. 7

3. Available Models ......................................................................................... 7

4. Electrical Connections ................................................................................. 8

4.1. 6890.5060 .............................................................................................................. 8

4.2. 6890.5061 .............................................................................................................. 9

4.3. 6890.5066 ............................................................................................................ 10

4.4. 6890.5067 ............................................................................................................ 11

4.5. 6890.5069 ............................................................................................................ 12

4.6. Power Supply ....................................................................................................... 13

4.7. Auxiliary Output for Encoder Supply ................................................................... 13

4.8. Impulse Inputs for Encoders and Sensors ........................................................... 13

4.9. Control Inputs ...................................................................................................... 13

4.10. Serial Interface .................................................................................................... 14

4.11. Relay Outputs K1 – K3 (6890.5060 and 6890.5067 only) .................................... 14

4.12. Transistor Outputs K1 – K3 (6890.5061 and 6890.5069 only) ............................. 14

4.13. Scalable Analog Output (6890.5060, 6890.5061 and 6890.5066 only) ............... 14

5. LCD Display and Keys ................................................................................ 15

6. Keypad Operation ...................................................................................... 16

6.1. Normal Operation ................................................................................................ 16

6.2. Keypad Interlock .................................................................................................. 16

6.3. General Setup Procedure .................................................................................... 17

6.4. Changing Parameters on the Setting Level ......................................................... 17

6.5. Return from the Menu, Time-Out Function ......................................................... 18

6.6. Reset all Parameters to Factory Default Values ................................................. 18

7. Menu Structure and Parameter Description ............................................... 19

7.1. Survey of Menus ................................................................................................. 19

7.2. Parameter Descriptions ....................................................................................... 20

7.2.1. Preselection’s ................................................................................................................20

7.2.2. Definitions for the Encoder or Speed Sensor ...............................................................20

7.2.3. Serial Readout Menu ....................................................................................................21

7.2.4. Special-Menu ................................................................................................................22

7.2.5. Key-Pad-Menu ...............................................................................................................22

7.2.6. Command-Menu............................................................................................................23

6890_5060_05a_oi_e.doc / Mrz-21 Page 3 / 40

7.2.7. Analog-Menu ................................................................................................................24

7.2.8. Serial Menu ...................................................................................................................25

7.2.9. Switching –Menu..........................................................................................................27

7.2.10. Linear.-Menu .................................................................................................................31

7.2.11. Display –Menu ..............................................................................................................32

8. Example for Commissioning ....................................................................... 33

9. Appendix ................................................................................................... 35

9.1. Hints for Use of the Linearization Function ......................................................... 35

9.2. Data Readout via Serial Interface ....................................................................... 36

9.3. “Relay Action”, override relay states by programmed states ............................. 37

9.3.1. Override relay/output states by programmable ON / OFF states ................................37

9.3.2. Freeze the actual switching state of all relays ............................................................37

9.4. Monitoring of remote motion enable signals ...................................................... 38

9.4.1. Definition of a speed window ......................................................................................38

9.4.2. Assignment of a control input ......................................................................................38

9.4.3. Assignment of the control polarity ...............................................................................38

9.4.4. Setting of a Start-up delay time ...................................................................................38

9.4.5. Setting of an appropriate Standstill definition ............................................................38

10. Dimensions: ............................................................................................... 39

11. Technical Specifications ............................................................................ 40

6890_5060_05a_oi_e.doc / Mrz-21 Page 4 / 40

1. Safety Instructions and Responsibility

1.1. General Safety Instructions

This operation manual is a significant component of the unit and includes important rules and
hints about the installation, function and usage. Non-observance can result in damage and/or
impairment of the functions to the unit or the machine or even in injury to persons using the
equipment!

Please read the following instructions carefully before operating the device and observe all
safety and warning instructions! Keep the manual for later use.

A pertinent qualification of the respective staff is a fundamental requirement in order to use
these manual. The unit must be installed, connected and put into operation by a qualified
electrician.

Liability exclusion: The manufacturer is not liable for personal injury and/or damage to property
and for consequential damage, due to incorrect handling, installation and operation. Further
claims due to errors in the operation manual as well as misinterpretations are excluded from
liability.

In addition the manufacturer reserve the right to modify the hardware, software or operation
manual at any time and without prior notice. Therefore, there might be minor differences
between the unit and the descriptions in operation manual.

The raiser respectively positioner is exclusively responsible for the safety of the system and
equipment where the unit will be integrated.

During installation or maintenance all general and also all country- and application-specific safety
rules and standards must be observed.

If the device is used in processes, where a failure or faulty operation could damage the system or
injure persons, appropriate precautions to avoid such consequences must be taken.

1.2. Use according to the intended purpose

The unit is intended exclusively for use in industrial machines, constructions and systems. Non­conforming usage does not correspond to the provisions and lies within the sole responsibility of
the user. The manufacturer is not liable for damages which has arisen through unsuitable and
improper use.

Please note that device may only be installed in proper form and used in a technically perfect
condition and in accordance to the Technical Specifications (see chapter 11).

The device is not suitable for operation in explosion-proof areas or areas which are excluded by
the EN 61010-1 standard.

6890_5060_05a_oi_e.doc / Mrz-21 Page 5 / 40

1.3. Installation

The device is only allowed to be installed and operated within the permissible temperature range.
Please ensure an adequate ventilation and avoid all direct contact between the device and hot or
aggressive gases and liquids.

Before installation or maintenance, the unit must be disconnected from all voltage-sources.
Further it must be ensured that no danger can arise by touching the disconnected voltage­sources.

Devices which are supplied by AC-voltages, must be connected exclusively by switches,
respectively circuit-breakers with the low voltage network. The switch or circuit-breaker must be
placed as near as possible to the device and further indicated as separator.

Incoming as well as outgoing wires and wires for extra low voltages (ELV) must be separated
from dangerous electrical cables (SELV circuits) by using a double resp. increased isolation.

All selected wires and isolations must be conform to the provided voltage- and temperature­ranges. Further all country- and application-specific standards, which are relevant for structure,
form and quality of the wires, must be ensured. Instructions about the permissible wire cross­sections for wiring are described in the chapter 11 “Technical Specifications”.

Before first start-up it must be ensured that all connections and wires are firmly seated and
secured in the screw terminals. All (inclusively unused) terminals must be fastened by turning the
relevant screws clockwise up to the stop.

Overvoltages at the connections must be limited to values in accordance to the overvoltage
category II.

For placement, wiring, environmental conditions, as well as shielding and earthing/grounding of
the supply lines, the general standards of industrial automation industry and the specific
shielding instructions of the manufacturer are valid. Please find all respective hints and rules on
www.motrona.com/download.html --> “[General EMC Rules for Wiring, Screening and Earthing]”.

1.4. Cleaning, Maintenance and Service Notes

To clean the front of the unit please use only a slightly damp (not wet!), soft cloth. For the rear no
cleaning is necessary. For an unscheduled, individual cleaning of the rear the maintenance staff
or assembler is self-responsible.

During normal operation no maintenance is necessary. In case of unexpected problems, failures
or malfunctions the device must be shipped back to the manufacturer for checking, adjustment
and reparation (if necessary). Unauthorized opening and repairing can have negative effects or
failures to the protection-measures of the unit.

6890_5060_05a_oi_e.doc / Mrz-21 Page 6 / 40

2. Introduction

DZ = Function: Speed Monitor

DZ 260

26 = Housing with dimensions 72 x 91 mm

(2.835 x 3.583 ‘’), with LCD and keypad

0 = Analogue output + 3 relay outputs
1 = Anlaouge output + 3 transistor outputs
6 = Analogue output only
7 = Relay outputs only
9 = Transistor outputs only

This new series of monitors has been designed as control modules for mounting inside of electric
control cabinets. The units are suitable for speed monitoring of machines, signalling overspeed,
underspeed, zero motion and the direction of rotation. Units providing an analog output can
moreover be used for closed-loop control or feedback purpose within a control system.

Very special advantages of these new monitors are the wide frequency range, the extremely fast
response and the remarkable versatility with regard to possible input formats and programmable
monitoring functions.

3. Available Models

There are five models available, all with fully similar basic functions, but with different options
concerning the outputs.

6890_5060_05a_oi_e.doc / Mrz-21 Page 7 / 40

1
2
3
4
5
6
7
8
9

10 11 12 13

14 15 16 17 18 19 20 21 22 23 24 25

GND (-)

GND

GND

GND
RxD
TxD

K1

K2

K3

+Power input

+5,2V

A
/A
B
/B

0 - 10 V
0/4 - 20 mA

Control 1

Control 2

Aux. Output

+5,2V

Impulse inputs

for encoders and

sensors

Power supply

17 - 30 VDC

Control

inputs

Analogue

output

Serial RS232­interface

NO
NC
C
NO
NC
C
NO
NC
C

Relay K1

Relay K2

Relay K3

Terminal

Text

Function

01

GND

GND, common minus potential

02

Vin

Power input, +17 ... 30 VDC

03

GND

GND, common minus potential

04

+5,2V

Aux. output 5.2 V / 200 mA

05

A

Impulse input, channel A

06

/A

Impulse input, channel /A (=A inverted)

07

B

Impulse input, channel B

08

/B

Impulse input, channel /B (=B inverted)

09

Control 2

Control input with programmable function

10

Control 1

Control input with programmable function

11

GND

GND, common minus potential

12

+10V Out

Analog output 0 ... 10 V

13

20mA out

Analog output 0 ... 20 mA

14

GND

GND, common minus potential

15

RXD

Serial RS232 interface, data input

16

TXD

Serial RS232 interface, data output

17

K1NO

Relay 1, normally open contact

18

K1NC

Relay 1, normally closed contact

19

K1C

Relay 1, common contact

20

K2NO

Relay 2, normally open contact

21

K2NC

Relay 2, normally closed contact

22

K2C

Relay 2, common contact

23

K3NO

Relay 3, normally open contact

24

K3NC

Relay 3, normally closed contact

25

K3C

Relay 3, common contact

4. Electrical Connections

4.1. 6890.5060

6890_5060_05a_oi_e.doc / Mrz-21 Page 8 / 40

1
2
3
4
5
6
7
8
9

10 11 12 13

14 15 16 17 18 19 20 21 22 23 24 25

GND (-)

GND

GND

GND
RxD
TxD

+Power supply

+5,2V

A
/A
B
/B

0 - 10 V
0/4 - 20 mA

Control 1

Control 2

Aux. output

+5,2V

Impulse inputs

for encoders and

sensors

Power supply

17 - 30 VDC

Control

inputs

Analogue

output

Serial RS232­interface

Com + (5-30 V/DC)

GND

NC

K1 out
K2 out
K3 out

Terminal

Text

Function

01

GND

GND, common minus potential

02

Vin

Power input, +17 ... 30 VDC

03

GND

GND, common minus potential

04

+5,2V

Aux. output 5.2 V / 200 mA

05

A

Impulse input, channel A

06

/A

Impulse input, channel /A (=A inverted)

07

B

Impulse input, channel B

08

/B

Impulse input, channel /B (=B inverted)

09

Control 2

Control input with programmable function

10

Control 1

Control input with programmable function

11

GND

GND, common minus potential

12

+10V Out

Analog output 0 ... 10 V

13

20mA out

Analog output 0 ... 20 mA

14

GND

GND, common minus potential

15

RXD

Serial RS232 interface, data input

16

TXD

Serial RS232 interface, data output

17

NC

Not connected

18

NC

Not connected

19

NC

Not connected

20

NC

Not connected

21

GND

GND, common minus potential

22

Com +

Common positive input for transistor outputs K1-K3

23

K1 out

Output K1, transistor PNP 30 V, 350 mA

24

K2 out

Output K2, transistor PNP 30 V, 350 mA

25

K3 out

Output K3, transistor PNP 30 V, 350 mA

4.2. 6890.5061

6890_5060_05a_oi_e.doc / Mrz-21 Page 9 / 40

1
2
3
4
5
6
7
8
9

10 11 12 13

14 15 16 17 18 19 20 21 22 23 24 25

GND (-)

GND

GND

GND
RxD
TxD

+Power supply

+5,2V

A
/A
B
/B

0 - 10 V
0/4 - 20 mA

Control 1

Control 2

Aux. Output

+5,2V

Impulse input

for encoders and

sensors

Power supply

17 - 30 VDC

Control

inputs

Analogue

output

Serial RS232­interface

NC

Terminal

Text

Function

01

GND

GND, common minus potential

02

Vin

Power input, +17 ... 30 VDC

03

GND

GND, common minus potential

04

+5,2V

Aux. output 5.2 V / 200 mA

05

A

Impulse input, channel A

06

/A

Impulse input, channel /A (=A inverted)

07

B

Impulse input, channel B

08

/B

Impulse input, channel /B (=B inverted)

09

Control 2

Control input with programmable function

10

Control 1

Control input with programmable function

11

GND

GND, common minus potential

12

+10V Out

Analog output 0 ... 10 V

13

20mA out

Analog output 0 ... 20 mA

14

GND

GND, common minus potential

15

RXD

Serial RS232 interface, data input

16

TXD

Serial RS232 interface, data output

17

NC

Not connected

18

NC

Not connected

19

NC

Not connected

20

NC

Not connected

21

NC

Not connected

22

NC

Not connected

23

NC

Not connected

24

NC

Not connected

25

NC

Not connected

4.3. 6890.5066

6890_5060_05a_oi_e.doc / Mrz-21 Page 10 / 40

1
2
3
4
5
6
7
8
9

10 11 12 13

14 15 16 17 18 19 20 21 22 23 24 25

GND (-)

GND

GND

GND
RxD
TxD

K1

K2

K3

+Power supply

+5,2V

A
/A
B
/B

Control 1

Control 2

Aux. output

+5,2V

Impulse inputs

for encoders and

sensors

Power supply

17 - 30 VDC

Control

inputs

NC

Serial RS232­interface

NO
NC
C
NO
NC
C
NO
NC
C

Relay K1

Relay K2

Relay K3

Terminal

Text

Function

01

GND

GND, common minus potential

02

Vin

Power input, +17 ... 30 VDC

03

GND

GND, common minus potential

04

+5,2V

Aux. output 5.2 V / 200 mA

05

A

Impulse input, channel A

06

/A

Impulse input, channel /A (=A inverted)

07

B

Impulse input, channel B

08

/B

Impulse input, channel /B (=B inverted)

09

Control 2

Control input with programmable function

10

Control 1

Control input with programmable function

11

GND

GND, common minus potential

12

NC

Not connected

13

NC

Not connected

14

GND

GND, common minus potential

15

RXD

Serial RS232 interface, data input

16

TXD

Serial RS232 interface, data output

17

K1NO

Relay 1, normally open contact

18

K1NC

Relay 1, normally closed contact

19

K1C

Relay 1, common contact

20

K2NO

Relay 2, normally open contact

21

K2NC

Relay 2, normally closed contact

22

K2C

Relay 2, common contact

23

K3NO

Relay 3, normally open contact

24

K3NC

Relay 3, normally closed contact

25

K3C

Relay 3, common contact

4.4. 6890.5067

6890_5060_05a_oi_e.doc / Mrz-21 Page 11 / 40

1
2
3
4
5
6
7
8
9

10 11 12 13

14 15 16 17 18 19 20 21 22 23 24 25

GND (-)

GND

GND

GND
RxD
TxD

+Power supply

+5,2V

A
/A
B
/B

Control 1

Control 2

Aux. output

+5,2V

Impulse inputs

for encoders and

sensors

Power supply

17 - 30 VDC

Control

inputs

NC

Serial Rs232­interface

Com + (5-30 V/DC)

GND

NC

K1 out
K2 out
K3 out

Terminal

Text

Function

01

GND

GND, common minus potential

02

Vin

Power input, +17 ... 30 VDC

03

GND

GND, common minus potential

04

+5,2V

Aux. output 5.2 V / 200 mA

05

A

Impulse input, channel A

06

/A

Impulse input, channel /A (=A inverted)

07

B

Impulse input, channel B

08

/B

Impulse input, channel /B (=B inverted)

09

Control 2

Control input with programmable function

10

Control 1

Control input with programmable function

11

GND

GND, common minus potential

12

NC

Not connected

13

NC

Not connected

14

GND

GND, common minus potential

15

RXD

Serial RS232 interface, data input

16

TXD

Serial RS232 interface, data output

17

NC

Not connected

18

NC

Not connected

19

NC

Not connected

20

NC

Not connected

21

GND

GND, common minus potential

22

Com +

Common positive input for transistor outputs K1-K3

23

K1 out

Output K1, transistor PNP 30 V, 350 mA

24

K2 out

Output K2, transistor PNP 30 V, 350 mA

25

K3 out

Output K3, transistor PNP 30 V, 350 mA

4.5. 6890.5069

6890_5060_05a_oi_e.doc / Mrz-21 Page 12 / 40

4.6. Power Supply

The units require a DC supply from 17 to 30 V which must be applied to terminals 1 and 2.
Depending on the input voltage level and internal states, the power consumption may vary and
lies in a range of about 70 mA with a 24 V input (plus encoder currents taken from the auxiliary
voltage output).

4.7. Auxiliary Output for Encoder Supply

Terminals 4 and 3 provide a +5.2 VDC / 200 mA auxiliary output for supply of encoders and
sensors.

4.8. Impulse Inputs for Encoders and Sensors

The setup menu of the unit allows individual setting of the desired characteristics of the signal
inputs. According to the application the units will accept single-channel signals (input A only with
no direction information) as well as dual channel signals A/B including information of the
direction of rotation. The following input formats and levels are acceptable:

 symmetric differential input with RS422 format A, /A, B, /B
 asymmetric (single-ended) TTL levels (A and/or B only without inverted channels)
 HTL level 10 ... 30 V, alternatively differential (A, /A, B, /B) or single-ended

(A and B only, without inverted channels)

 Signals from proximity switches or photocells providing HTL level (10 ... 30 V)
 NAMUR (2-wire) signals

4.9. Control Inputs

Two programmable control inputs allow the assignment of functions like remote start-up-delay,
reset of relay lock, hardware interlock of the keypad and similar.

Both inputs provide PNP characteristics and require HTL level. Also it is possible to set the control
function to "active LOW" or "active HIGH".

For evaluation of dynamic events the desired "active edge" can be set (rising or falling edge)

6890_5060_05a_oi_e.doc / Mrz-21 Page 13 / 40

4.10. Serial Interface

2
3

5

RxD RxD

TxDTxD

GND

Screen

PC

DZ 260
DZ 261
DZ 266
DZ 267
DZ 269

15

(Sub-D-9)

16

14

Important note: “voltage out” and “current out” must not be used together.
Please do never connect mA and V simultaneously!

The serial RS232 interface in general may be used

 for easy setup and commissioning of the units (with use of the OS32 operator software)
 to change settings and parameters by PC or PLC during the operation
 to read out internal states and actual measuring values by PC or PLC

The subsequent drawing shows how to link the monitor with a PC, using the standard
9-pin SUB-D-9 connector

4.11. Relay Outputs K1 – K3 (6890.5060 and 6890.5067 only)

The units provide three programmable relay outputs (all dry changeover), providing a switching
capability of 30 V / 2 A DC or 125 V / 0.6 A AC or 230 V / 0.3 A AC. Both, switching
characteristics and monitoring function may be programmed for each of the relays individually.

4.12. Transistor Outputs K1 – K3 (6890.5061 and 6890.5069 only)

The units provide three outputs with programmable switching characteristics.
K1 – K3 are fast-switching and short-circuit-proof transistor outputs with a switching capability of
5 ... 30 V / 350 mA each. The switching voltage of the outputs must be applied remotely to the
Com+ input (terminal 22). Both, switching characteristics and monitoring function may be
programmed for each of the outputs individually.

4.13. Scalable Analog Output (6890.5060, 6890.5061 and 6890.5066 only)

The units provide a voltage output with a +/-10 V range (max. load 2 mA) and a current output
with ranges 0 / 4 ... 20 mA (burden 0 – 270 Ohm), however only one of the two can be used at a
time. Beginning and end of the desired conversion range can be set by the operator menu (see
section 7.2.7). The common potential of both outputs refers to GND.

The total resolution is 14 bits. A settling time of approx. 200 µs. is required. The overall response
time of the analog outputs primarily depends on the selected Sampling Time setting. After
volatile jumps of the input signal, the analog outputs may need up to two Sampling Time cycles
(plus 200 µsec.) to stabilize.

6890_5060_05a_oi_e.doc / Mrz-21 Page 14 / 40

Actual speed value
Input frequency, scaled in user units

+156.5 Hz

I: LH O: COO +47 %

Analogue output (not with DZ267, DZ269)
Actual output level in % of full scale

O: Outputs (not with DZ266)
Actual switching states of relays/transistor outputs
(Rel1, Rel2, Rel3)/(out1, out2, out3)
C = Closed, O = Open

I: Inputs
Actual logical state of inputs
(Control1, Control2)
L = Low, H = High

5. LCD Display and Keys

The units provide a back-lit LCD display with 2 lines at 16 characters each, and four keys for setup
and command control.

During the setup procedure the LCD display indicates the menu with all parameter texts and the
set values of the parameters.

During normal operation, the LCD display indicates the following information:

The "Display Menu" allows free scaling of the speed measuring values and the speed-related
parameters to any kind of engineering units.

6890_5060_05a_oi_e.doc / Mrz-21 Page 15 / 40

PROG

UP

DOWN

ENTER

Stage

Protected

Range

Protection

by

Key Operations

Change of Parameters

Commands

1

---

---

permitted

permitted

2

Menu

Password upon
activation of menu

Protection of selectable parts of the menu

via password

permitted

3

Keyboard

Hardware-Latch 1

interlocked

permitted

Hardware Latch 2

All functions interlocked

Using the Hardware Latch function may accidentally cause a total locking of all

functions, when the Control Inputs characteristics have been set inauspiciously.

In this exceptional case you can release the key functions again by either

a) applying the correct logical state (High or Low) to the inputs
b) or resetting the parameters to their default values (see section 6.6)
c) or change the parameters being responsible for the locking by PC

P







6. Keypad Operation

A summary of all parameters and a detailed description of parameter functions is available under
section 6.

For all operation, the units provide four keys which subsequently will be named as shown below:

The key functions depend on the actual operating state of the units. Basically we have to
distinguish between Normal Operation and Setup Operation

6.1. Normal Operation

While in normal operation state, the units monitor the speed according to the selected
operational parameters and settings. Each of the front keys provides the command functions as
attached to it upon setup in the "Command Menu"

6.2. Keypad Interlock

There is a 3-stage conception to protect the keys against unauthorized changes of the
configuration respectively against activation of commands.

The "Key Pad" menu allows to define an individual password for each group of parameters. This
function can be used to provide individual access rights to different operators. Upon access to an
interlocked section the unit asks for the corresponding password. If the correct password is not
entered in time, the unit denies access and automatically returns to normal operation.

The hardware latch function can be activated and deactivated by one of the Control Inputs, or by
means of serial access to the corresponding locking register.

6890_5060_05a_oi_e.doc / Mrz-21 Page 16 / 40

Key

Menu Level

Parameter Level

Setting Level

PROG

Save settings and return
to normal operation

Return to Menu Level

Check entry, store result,
then go back to Parameter
Level

UP

Switch over to next menu

Select next parameter

Increment the highlighted
digit or scroll the setting
upwards

DOWN

Go back to previous menu

Select previous parameter

Decrement the highlighted
digit or scroll the setting
downwards

ENTER

Switch over to the
Parameter Level of the
current menu

Switch over to
Setting Level

Shifts the highlighted digit
one position to the left, or
from utmost left to utmost
right

6.3. General Setup Procedure

To change over from normal operation to the setup state, please keep down the PROG key for at
least 2 seconds. After this the menu appears and you can select one of the menu groups.
Inside each group you can select the desired parameter and edit the setting according to need.
After this you are free to edit more parameters, or to return to normal operation.
The function of the different keys during setup is shown in the table below.

6.4. Changing Parameters on the Setting Level

With signed parameters, the front digit can only be changed between „+“ (positive) and „-„
(negative). The subsequent example explains how to change a parameter from originally 1024 to
a new value of 250 000.

The example assumes that you are already on the Setting Level, i.e. you have already selected
the corresponding parameter and read its actual value on the display. Highlighted (blinking) digits
are marked by background colour and indicate the cursor position.

6890_5060_05a_oi_e.doc / Mrz-21 Page 17 / 40

No.

Display

Key action

Comment

00

001024

The actual value 1024 is displayed, with
the last digit blinking

01



4 x

Change last digit to 0

02

001020



Shift cursor to left

03

001020



2 x

Change highlighted digit to 0

04

001000



2 x

Shift curser to left by 2 positions

05

001000



Change highlighted digit to 0

06

000000



Shift cursor to left

07

000000



5 x

Change highlighted digit to 5

08

050000



Shift cursor to left
09

050000



2 x

Change highlighted digit to 2

10

250000

Save new setting and return to
Parameter Level



Power the unit down



Press



and



simultaneously



Switch power on with both keys held down

When execute this action, please be aware that all parameter settings
will be lost and the whole setup procedure must be repeated!

6.5. Return from the Menu, Time-Out Function

At any time the PROG key changes the Menu by one level backwards or fully back to the normal
operation mode. The menu also switches automatically one level backwards, every time when for
10 seconds no key has been touched (Time-Out-Function).

6.6. Reset all Parameters to Factory Default Values

If applicable, the whole set of parameters can be reset to factory default values (e.g. because a
code for the keypad interlocking has been forgotten, or because the unit does no more work
correctly for reasons of bad settings). All default values are indicated in the following parameter
tables.

To execute this Reset procedure, you have to take the following steps:

6890_5060_05a_oi_e.doc / Mrz-21 Page 18 / 40

Preselect.-Menu*

Encoder-Menu

Ser.Readout Menu

Special-Menu

Preselection 1

Encoder Proper

Multiplier

Linear Mode**

Preselection 2

Direction

Divider

Freq. Control

Preselection 3

Sampling Time

Offset

Input Filter

Wait Time

Filter

Set Value

Key-Pad-Menu

Command-Menu
***

Analog-Menu**

Serial-Menu
Protect Menu M01

Key Up Func.

Analogue Format

Unit Number

Protect Menu M02

Key Down Func.

Analogue Start

Serial Baud Rate

Protect Menu M03

Key Enter Func.

Analogue End

Serial Format

… Input 1 Config.

Analogue Swing

Serial Protocol

Protect Menu M09

Input 1 Func.

Analogue Offset
Analogue ABS

Serial Timer
Protect Menu M10

Input 2 Config.

Register Code

Protect Menu M11

Input 2 Func.

Switching-Menu*

Linear.-Menu**

Display-Menu

Pulse Time 1

P1(x)

Up-Date-Time

Pulse Time 2

P1(y)

Display Mode

Pulse Time 3

P2(x)

Encoder Factor

Hysteresis 1

P2(y)

Multiplier

Hysteresis 2

..

Hysteresis 3

P14(x)

Preselect Mode 1

P14(y)

Preselect Mode 2

P15(x)

Preselect Mode 3

P15(y)

Output Polarity

Start up Mode

Start up Relay

(*) not relevant with 6890.5066
(**) not relevant with 6890.5067, 6890.5069
(***) partially inactive with 6890.5066

Lock Relay

Standstill Time

7. Menu Structure and Parameter Description

All parameters are combined to groups, arranged in several menus. Settings are only necessary
for parameters which are really relevant for the individual application.

7.1. Survey of Menus

This section provides an overview of the menus and their assignments to the different functions
of the units. The menu names are printed bold, and associated parameters are arrayed directly
under the menu names.

Menu texts are in English language, according to the presentation on the LCD display

6890_5060_05a_oi_e.doc / Mrz-21 Page 19 / 40

Preselection parameters are not relevant for model 6890.5066

Preselection Menu

Code

Setting Range

Default

Preselection1

Switching point of relay 1/ out 1 (engineering units)

„00“

-1 000 000.0 ... +1 000 000.0

100.0

Preselection2

Switching point of relay 2/ out 2 (engineering units)

„01“

-1 000 000.0 ... +1 000 000.0

200.0

Preselection3

Switching point of relay 3/ out 3 (engineering units)

„02“

-1 000 000.0 ... +1 000 000.0

300.0

Encoder-Menu

Code

Setting Range

Default

Encoder Proper

Encoder properties

„A0“

0 … 11

0

0

A/B/90° quadrature, RS422 or HTL differential

1

A/B/90° quadrature, single-ended, HTL NPN*

2

A/B/90° quadrature, single-ended, HTL PNP

3

A/B/90° quadrature, single-ended, TTL level

4

A=Impulse, B=direction, RS422 or HTL differential

5

A=Impulse, B=direction, single-ended, HTL NPN*

6

A=Impulse, B=direction, single-ended, HTL PNP

7

A=Impulse, B=direction, single-ended, TTL level

8

Channel A only, RS422 or HTL differential

9

Channel A only, single-ended, HTL NPN*

10

Channel A only, single-ended, HTL PNP

11

Channel A only, single-ended, TTL level

Direction

Definition of the direction of rotation with quadrature encoders

„A1“

0, 1

0

0

forward when A leads B

1

forward when B leads A

(*) With settings HTL / NPN the input terminals are connected to the power supply voltage of
the unit (+24 V) via internal pull-up resistors. For this reason it is advisable to first set the
encoder properties correctly, prior to connecting TTL encoders to the unit.

Setting HTL / NPN is also suitable for use with NAMUR (2-wire) proximities.
(connect the positive wire of the sensor to the input terminal and the negative wire to GND)

7.2. Parameter Descriptions

7.2.1. Preselection’s

These parameters assign the desired switching points to the relays/outputs. The preselection’s
use the same engineering units as the display of the actual speed (see Display-Menu).

7.2.2. Definitions for the Encoder or Speed Sensor

6890_5060_05a_oi_e.doc / Mrz-21 Page 20 / 40

Encoder-Menu

Code

Setting Range

Default

Sampling Time

Internal time base for sampling of the input frequency (sec.)

„A2“

0.001..9.999

0.001

Wait Time

Time to wait before unit detects zero speed (sec.)
Impulse distances greater than this time will be takes as zero

„A3“

0.01..9.99

1.00

Filter

Digital filter for smoothing of unstable frequencies

„A4“

0..7

0

0

Filter off
(very fast response to frequency changes)

1

Τ (63%) = 1,9 msec. with Sampling Time = 1msec.

2

Τ (63%) = 3,8 msec. with Sampling Time = 1msec.

etc.

7

Τ (63%) = 122 msec. with Sampling Time = 1msec.
(very slow response to frequency changes)

Set Value

Fixed frequency set value for encoder simulation (Hz)
(see also "Command"-Menu)

„A5“

-1 000 000.0 ...
+1 000 000.0

0

Serial Readout Menu

Code

Setting Range

Default

Multiplier

„A8“

-9.9999 … +9.9999

+1.0000

Divider

„A9“

0.0000 … 9.9999

0.0000

Offset (absolute term)

„B0“

-99999999 … [phone]

0

Readout (:8) = Basic Value x

Multiplier

Divider

+ Offset

 The definition of the "Basic Value" occurs in the "Analog Menu" and is also available

for the 6890.5067 units without analog output

 the ratio Multiplier / Divider must never be greater than 15 000
 Setting "Divider" to zero will skip the rescaling procedure, resulting in a shorter

response time with all functions of the unit

7.2.3. Serial Readout Menu

An actual value proportional to the input frequency can be read out via serial link, accessing the
serial readout register (code :8 ). As a Basic Value this register uses the scaling set for the analog
output, i.e. a range from 0 to 10 000 units corresponding to 0 - 100,00 % of the full scale output
(see section 7.2.7 "Analog Menu"). This readout can still be rescaled to user-friendly engineering
units, using the following parameters:

More details about serial communication can be found in the appendix.

6890_5060_05a_oi_e.doc / Mrz-21 Page 21 / 40

Special-Menu

Code

Setting Range

Default

Linear Mode

Programmable linearization for Basic Value and Analog Output

„B3“

0..2

0

0

Linearization off

1

Linearization range 0 V … +10 V

2 Linearization range -10 V … +10 V

Freq. Control

Defines behaviour and response of the unit to sudden interruptions of
the input frequency.
This parameter must only be changed in very special cases and under
special instruction of an motrona engineer.
Otherwise please use always the default setting "2"!

„B4“

0..2

2

Input Filter

Digital filter for limitation of the input frequency

„B5“

0..3

0

0

Filter off, the full range of frequency will be evaluated

1

Filter to cut frequencies higher than 500 kHz

2

Filter to cut frequencies higher than 100 kHz

3 Filter to cut frequencies higher than 10 kHz

Using the Input Filter will cause wrong frequency measurement when you use the unit with
frequencies higher than indicated above.

Key-Pad-Menu (Passwords for menu groups)

Code

Setting Range

Default

Protect Menu 01 (Preselect.-Menu)

„C0“

0..999999

0

Protect Menu 02 (Encoder-Menu)

„C1“

Protect Menu 03 (Ser.Readout.-Menu)

„C2“

0 = no interlock

Protect Menu 04 (Special-Menu) a)

„C3“

6079

Protect Menu 05 (Key-Pad-Menu)

„C4“

1 – 999 999 =

Protect Menu 06 (Command-Menu)

„C5“

password for the

Protect Menu 07 (Analog-Menu)

„C6“

corresponding

Protect Menu 08 (Serial-Menu)

„C7“

group

Protect Menu 09 (Switching-Menu)

„C8“

Protect Menu 10 (Linear-Menu)

„C9“

Protect Menu 11 (Display-Menu)

„D0“



7.2.4. Special-Menu

7.2.5. Key-Pad-Menu

a) This menu is protected by the password 6079 due to factory setting. After entry of the
password please press the Enter button at least 2 seconds.

6890_5060_05a_oi_e.doc / Mrz-21 Page 22 / 40

Command-Menu (assignment of functions)

Code

Setting Range

Default

Key Up Func.

Supplementary command function of the UP key

„D7“

0..9

0

0

no function

1

Activation of a serial data transmission

2

Force programmed relay/output states / freeze (a)(c)

3

Frequency simulation according to parameter "Set Value"

4

Freeze actual input frequency

5

Remote start-up-delay function (a)

6

Release lock of relay 1 (a)

7

Release lock of relay 2 (a)

8

Release lock of relay 3 (a)

9

Release lock of all relays 1-3 (a)

Key Down Func.

Supplementary command function of the DOWN key (see UP)

„D8“

0..9

0

Key Enter Func.

Supplementary command function of the ENTER key (see UP)

„D9“

0..9

0

Input 1 Config.

Switching characteristics of input „Control1“

„E0“

0..3

0

0

Static low

1

Static High

2

Dynamic, rising edge

3

Dynamic, falling edge

Input 1 Func.

Control function of input „Control1“

„E1“

0..12

0

0

no function

1

Activation of a serial data transmission

2

Force programmed relay/output states / Freeze (a)(c)

3

Frequency simulation according to parameter "Set Value"

4

Freeze actual input frequency

5

Remote start-up-delay function (a)

6

Release lock of relay 1/transistor output 1 (a)

7

Release lock of relay 2/transistor output 2 (a)

8

Release lock of relay 3/transistor output 3 (a)

9

Release lock of all relays 1-3/output 1-3 (a)

10

Interlock for parameter access via keypad (b)

11

Total keypad interlock (b)

12

Command monitor for remote motion enable signal

Input 2 Config. (see Input 1 Config.)

„E2“

0..3

0

Input 2 Func. (see Input 1 Func.)

„E3“

0..12

0

7.2.6. Command-Menu

(a) these parameters are not relevant for model 6890.5066.
(b) see section 6.2 (c) see section 9.3 (d) see section 9.4

6890_5060_05a_oi_e.doc / Mrz-21 Page 23 / 40

Analog-Menu (settings for analog outputs)

Code

Setting Range

Default

Analogue Format

Output format and range of the analog output

„E6“

0..3

0

0 -10 V to +10 V
1 0 V to +10 V
2 4 mA to 20 mA
3 0 mA to 20 mA

Analogue Start *)

Start value (engineering units) for 0 V resp. -10 V or 0 mA / 4 mA

Please note: „Analog Start“ represents the value, where the

analog output should start with 0 V. )*

… see example below

„E7“

- 1000000.0
… + 1000000.0

+0000000.0

Analogue End

End value (engineering units) for 10 V or 20 mA

„E8“

- 1000000.0
… + 1000000.0

+0001000.0

Analogue Swing

Max. output value (1.00 = 10 V or 20 mA)
Example: adjustment for a limitation to 8 V = 00.80

„E9“

0 ... 10.00

01.00

Analog Offset

Shift of the zero position (mV)

„F0“

-9999 ... 9999

0000

Analogue ABS

Only positive voltage values are displayed.

Please note: Independent of the parameters Analogue Start and
Analogue End, only positive values are displayed. At normal
case (Analogue ABS=0) the displayed voltage value is for
example -1,234V. If Analogue ABS=1, in this case 1,234V would
be displayed.

„F1“

0 ... 1

0

The settings above are at the same time used to generate the Basic Value 0 - 10 000
(corresponding to 0 - 100,00 %), which finally can be read out from the serial register
with access code :8 (see 7.2.3)

7.2.7. Analog-Menu

*) Example: If a display range of -250 to +250 must output a proportional analog range
from -10 V to +10 V, the “Analog Start” parameter must be set to 0 and the “Analog End”
value to +250.

6890_5060_05a_oi_e.doc / Mrz-21 Page 24 / 40

Serial -Menu (Configuration of the serial link)

Code

Setting Range

Default

Unit Number (Serial device address)

A unit number between 11 and 99 can be assigned to each unit.
The address must not contain any zeros (0) since these addresses are
reserved for collective addressing of several units.

„90“

11 ... 99

11

Serial Baud Rate (Transmission speed)

„91“

0..6

0

0=

9600 Baud

1=

4800 Baud

2=

2400 Baud

3=

1200 Baud

4=

600 Baud

5=

19200 Baud

6=

38400 Baud

Serial Format (Format of transmit data)

„92“

0 ... 9

0

0=

7 Data, Parity even, 1 Stop

1=

7 Data, Parity even, 2 Stop

2=

7 Data, Parity odd, 1 Stop

3=

7 Data, Parity odd, 2 Stop

4=

7 Data, no Parity, 1 Stop

5=

7 Data, no Parity, 2 Stop

6=

8 Data, Parity even, 1 Stop

7=

8 Data, Parity odd, 1 Stop

8=

8 Data, no Parity, 1 Stop

9=

8 Data, no Parity, 2 Stop

7.2.8. Serial Menu

Serial transmissions will operate in either the “PC Mode“ or in “Printer Mode“.

With “PC-Mode“, the unit receives a request string and responds with a corresponding data
string. For details of the protocol see separate description “SERPRO“.

With “Printer Mode“ the unit sends data without any request and under Timer control as

described subsequently.

As soon as the unit receives a character, it automatically switches over to PC Mode and operates
according to protocol. When for a period of 20 sec. no character has been received, the unit
switches automatically back to “Printer Mode“ and starts cyclic data transmission again.

6890_5060_05a_oi_e.doc / Mrz-21 Page 25 / 40

Serial -Menu (Configuration of the serial link)

Code

Setting Range

Default

Serial Protocol

Determines the sequence of characters sent, when you use the serial
output for cyclic data transmission under timer control
(xxxxxxx is the measuring value transmitted).

„F3“

0 ... 1

0

0=

Transmission = Unit Nr. – Data, LF, CR

1=

Transmission = Data, LF, CR

Setting "1" removes the unit address from the string which allows a
slightly faster transmission cycle.

Unit No.

0: 1 1 +/- X X X X X X

LF

CR

1: +/- X X X X X X

LF

CR

Serial Timer
This register determines the cycle time in seconds for cyclic

transmission when the Printer Mode is switched on.

With setting “0” all cyclic transmission is switched off and the unit will

only send data upon request (PC mode).

„F4“

0 ... 9.99

0

Register Code

Serial access code of the register which, in Printer Mode, should be
transmitted with every cycle. The most important registers are shown
below.

Setting

Code

Register contents

7

:7

Actual analog output value
10000 = 10 V = 20 mA

8

:8

User-defined readout value
(see 7.2.3)

9

:9

Frequency detected on the input
(Scaling is 0.1 Hz)

11

;1

Actual LCD display value

„F5“

0 ... 19

(:0) … (;9)

8

6890_5060_05a_oi_e.doc / Mrz-21 Page 26 / 40

These parameters are not relevant for model 6890.5066.
Indications | f | mean that only the absolute value of the frequency is considered. With all other
indications, frequencies are categorically signed (+ with forward and - with reverse)

Switching -Menu (Switching characteristics of relays/outputs)

Code

Setting Range

Default

Pulse Time 1 Rel.1: Duration of timed output, sec. (0=static)

„F8“

0 ... 9.99

0

Pulse Time 2 Rel.2: Duration of timed output, sec. (0=static)

„F9“

0 ... 9.99

0

Pulse Time 3 Rel.3: Duration of timed output, sec. (0=static)

„G0“

0 ... 9.99

0

Hysteresis 1 Rel.1: Switching Hysteresis (engineering units)

„G1“

0 ... 99999.9

0

Hysteresis 2 Rel.2: Switching Hysteresis (engineering units)

„G2“

0 ... 99999.9

0

Hysteresis 3 Rel.3: Switching Hysteresis (engineering units)

„G3“

0 ... 99999.9

0

Preselect Mode 1 (switching operation for relay 1/output 1)

„G4“

0..9

0

0

|f| >= |Preselection| (catch*)

1

|f| <= |Preselection| with start-up-delay (catch*)

2

|f| == |Preselection| with start-up-delay (catch*)

3

Standstill (f=0) after expiration of standstill time

4

f >= Preselection (catch*)
(also suitable for signalization of forward direction)

5

f <= Preselection (catch*)
(also suitable for signalization of reverse direction)

6

f == Preselection (catch*)

7

Relay/output signals "forward" when a positive frequency (f > 0)
is detected. This information disappears upon detection of
"standstill"

8

Relay/output signals "reverse" when a negative frequency (f < 0)
is detected. This information disappears upon detection of
"standstill"

9

f > (Preselection + Hysteresis) or f < (Preselection – Hysteresis)
with start-up suppression and latch *)
The parameter Preselection forms the center, the hysteresis
specifies the area around.

Preselect Mode 2 (switching operation for relay 2/output 2)

see Preselection Mode 1

„G5“

0..8

0

Preselect Mode 3 (switching operation for relay 3/output 3)

see Preselection Mode 1

„G6“

0..8

0

7.2.9. Switching –Menu

*) The corresponding relay/output can be used with catch operation, when a catch function has been
assigned to it under parameter „Lock Relay“.

6890_5060_05a_oi_e.doc / Mrz-21 Page 27 / 40

Switching -Menu (Switching characteristics of the relays/outputs)

Code

Setting Range

Default

Output Polarity (Relay/output active „on“ or active „off“ *)

Parameter with binary interpretation

„G7“

0..7

0

0

all Relays are energized when the assigned event occurs

1

Relay 1/transistor output 1 inverted

2

Relay 2 transistor output 2 inverted

3

Relay 1&2 transistor output 1&2 inverted

4

Relay 3 transistor output 3 inverted

5

Relays 1&3 transistor output 1&3 inverted

6

Relays 2&3 transistor output 2&3 inverted

7

All relays inverted

Start-up Mode

Start-up-delay after power-up and after standstill

„G8“

0..10

0

0

No start-up-delay

1

Start-up-delay 1 second

2

Start-up-delay 2 seconds

3

Start-up-delay 4 seconds

4

Start-up-delay 8 seconds

5

Start-up-delay 16 seconds

6

Start-up-delay 32 seconds

7

Start-up-delay 64 seconds

8

Start-up-delay 128 seconds

9

Automatic delay until to first overstepping of the set value

10

Start-up-delay by remote signal

Start up Relay / Switching Output

Assignment of a start-up-delay function to the relays/outputs

„G9“

0..7

0

0

No start-up-delay for any of the relays

1

Relay 1/transistor output 1 provides start-up-delay

2

Relay 2/transistor output 2 provides start-up-delay

3

Relays 1&2/transistor output 1&2 provide start-up-delay

4

Relay 3/transistor output 3 provides start-up-delay

5

Relays 1&3/transistor output 1&3 provide start-up-delay

6

Relays 2&3/transistor output 2&3 provide start-up-delay

7

All relays provide start-up-delay

*) Active "on" means the relay/output will be energized upon occurrence of the assigned event.
Active "off" means the relay/output will be de-energized upon occurrence of the assigned event.

6890_5060_05a_oi_e.doc / Mrz-21 Page 28 / 40

Switching -Menu (Switching characteristics of the relays/outputs)

Code

Setting Range

Default

Lock Relay /Switching Output

Assignment of a catch function to the relays *)

„H0“

0..15

0

0

No catch function for any of the relays

1

Relay 1/output 1 with catch (release by key/control input)

2

Relay 2/output 2 with catch (release by key/ control input)

3

Relays 1&2/output 1&2 with catch (release by key/control input)

4

Relay 3/output 3 with catch (release by key/control input)

5

Relays 1&3/output 1&3 with catch (release by key/control input)

6

Relays 2&3/output 2&3 with catch (release by key/control input)

7

all Relays/outputs with catch (release by key/control input)

8­15

similar to 0 - 7, but catch to release by key/by control input and
automatically upon standstill

Standstill Time

Time setting for standstill definition
A time of xx.xx seconds after detection "zero input frequency" the unit
signals "standstill" and re-activates the start-up-delays

„H1“

0..99.99

0

Relay / Switching Output Action (for more details see section 9.3)

Selection of the relays/transistor outputs of which the switching state
should be overridden by key command or remote command (non­selected relays will continue normally)

„K8“

0…8

0

0

No relay/transistor output selected

1

Relay 1/transistor output 1

2

Relay 2/transistor output 2

3

Relays 1 & 2/transistor output 1&2

4

Relay 3/transistor output 3

5

Relays 1 & 3 /transistor output 1&3

6

Relays 2 & 3/transistor output 2&3

7

All relays/transistor outputs selected

8

Freeze actual switching state of all relays/transistor outputs

*) According to parameter settings, the catch situation can be released by either pressing one of the front
keys or by a remote control signal or automatically upon detection of standstill (see "Command menu").

6890_5060_05a_oi_e.doc / Mrz-21 Page 29 / 40

Switching -Menu (Switching characteristics of the relays/outputs)

Code

Setting Range

Default

Action Polarity (for more details see section 9.3)

Desired override state of the corresponding relays/transistor outputs
(parameter is out of function when “Relay Action” is set to “8”)

„K9“

0…7

0

Setting

Relay/out K1

Relay/out K2

Relay/out K3

0 0 0 0 1 1 0 0 2 0 1 0 3 1 1 0 4 0 0 1 5 1 0 1 6 0 1

1

7 1 1

1

0 = Coil of the relay is de-energized – transistor output off.
1 = Coil of the relay is energized – transistor output on

6890_5060_05a_oi_e.doc / Mrz-21 Page 30 / 40

Linear.-Menu

(Interpolation points for linearization)

Code

Setting Range

Default

P1(x) % Interpolation point 1, original value

„H2“

-100.000...100.000

100.000

P1(y) % Interpolation point 1, substitute value

„H3“

P2(x) etc.

„H4“

P2(y) etc.

„H5“

P3(x)

„H6“

P3(y)

„H7“

P4(x)

„H8“

P4(y)

„H9“

P5(x)

„I0”

P5(y)

„I1”

P6(x)

„I2”

P6(y)

„I3”

P7(x)

„I4”

P7(y)

„I5”

P8(x)

„I6”

P8(y)

„I7”

P9(x)

„I8”

P9(y)

„I9”

P10(x)

„J0“

P10(y)

„J1“

P11(x)

„J2“

P11(y)

„J3“

P12(x)

„J4“

P12(y)

„J5“

P13(x)

„J6“

P13(y)

„J7“

P14(x)

„J8“

P14(y)

„J9“

P15(x)

„K0“

P15(y)

„K1“

P16(x)

„K2“

P16(y)

„K3“

7.2.10. Linear.-Menu

6890_5060_05a_oi_e.doc / Mrz-21 Page 31 / 40

Display -Menu

Code

Setting Range

Default

Up-Date-Time

Update time of the LCD display (seconds)

„K4“

0.05...1.00

0.10

Display Mode

Scaling of the unit's engineering units and the actual LCD display

„K5“

0..4

0

0

Hz

1

kHz (switch points and analog output remain in Hz)

2

RPS (revolutions per second) = f / Encoder Factor (*)

3

RPM (revolutions per minute) = 60 x f / Encoder Factor (*)

4

Customer-specific units set by Encoder-Factor und Multiplier
Display = f x Multiplier / Encoder Factor (*)

Encoder Factor number of impulses per revolution “ppr”

(with Display-Modes 2 – 4 only)

„K6“

1..99999

1

Multiplier Impulse multiplier (with display-Mode 4 only)

Display = f x Multiplier / Encoder Factor

„K7“

1..200

1

7.2.11. Display –Menu

*) f = Input frequency in Hz
With display modes 2 – 4 also the switching point settings will use the same engineering units
as set for the display

6890_5060_05a_oi_e.doc / Mrz-21 Page 32 / 40

1 2 3 4 5 6 7 8 9 10 11 12 13

14 15 16 17 18 19 20 21 22 23 24 25

GND (-)

GND

GND

GND
RxD
TxD

K1

K2

K3

+power in

+5,2V

A
/A
B
/B

0 - 10 V
0/4 - 20 mA

Control 1

Control 2

NO
NC
C
NO
NC
C
NO
NC
C

Relay K1
(standstill)

Relay K2
(underspeed forw. + rev.)

Relay K3
(overspeed, forward only)

A

B

­+

­+

2 x NAMUR

+24V

forward rotation

reverse rotation

0

Rel.1: Standstill

Rel.2: Underspeed
(pulsed output)

Rel.3: Overspeed
(forward roation only)

-100 +100

+300

8. Example for Commissioning

The following example is to explain setup and commissioning of the units with a typical
application.

 A tooth wheel with 32 teeth should be monitored with respect to speed and standstill
 For speed pick-up we use two proximity switches "Namur-type", which for detection of the

direction of rotation are mechanically displaced to generate an impulse offset

 Relay 1 should signal "standstill" when one second after detection of "zero frequency" no

further input impulse has been registered

 Relay 2 should generate a timed output pulse of 0.3 seconds when the speed drops below

100 RPM in either forward or reverse direction.

 Relay 3 should switch on and catch when, with forward direction only, the speed exceeds

300 RPM. With reverse direction relays 3 should not respond at all

 Release of the relay 3 catch state should be possible by either a positive signal applied to

input "Control1", or by activating the ENTER key.

6890_5060_05a_oi_e.doc / Mrz-21 Page 33 / 40

Nr,

Menu

Parameter

Value

Function

1

Preselect Menu

Preselection1
Preselection2
Preselection3

--­100
300

unimportant (relay 1 is used for standstill)
Switching point for "underspeed"
Switching point for "overspeed"

2

Encoder Menu

Encoder Proper.
Wait Time

=1

=5,00

A/B/90°, HTL / NPN for two displaced Namur sensors
Frequencies < 0,2 Hz are considered as "0"

3

Command
Menu

Key Enter Func.
Input 1 Config.
Input 1 Func.

=7
=1
=7

ENTER key to release the relay 3 catch
Function of "Control1" input is static HIGH
"Control1" input to release the relay 3 catch

4

Switching
Menu

Pulse Time 1
Pulse Time 2
Pulse Time 3
Presel. Mode1
Presel. Mode2
Presel. Mode3
Output Polarity
Start-up Mode
Start-up Relay
Lock Relay
Standstill Time

=0

=0.30

=0
=3
=1
=4
=0
=0
=0
=4

=1.00

Relay 1 static
Relay 2 timed output 0.3 seconds
Relay 3 static
Relay 1 energizes after lapse of standstill time
Relay 2 energizes when absolute value underpasses
Relay 3 energizes with positive overstepping only
All relays with non-inverted function (energize)
No start-up-delay function
No relay assignment to start-up-delay
Relay 3 to operate with catch function
Standstill output 1 second after detection of
"frequency = 0"
(i.e. 6 seconds after the last input pulse)

5

Display Menu

Display Mode
Encoder Factor
Multiplier

=3

=32

=1

Engineering units are RPM
Tooth wheel generates 32 pulses per revolution
No specific impulse scaling

The table below shows the setup procedure for an application according to the previous example.
Parameters which are not mentioned are optional, but not relevant for this function.

6890_5060_05a_oi_e.doc / Mrz-21 Page 34 / 40

 x-registers must use continuously increasing settings, i.e. P1(x) must

have the lowest and P16(x) must have the highest setting

 All entries use a percental format of xx.xxx% full scale.

Setting 000.000 % means zero output and setting 100.000 % means
full scale output.

 With Linearisation Mode set to 1, it is a must to set P1(x) to 0 % and

P16(x) to 100 %. Linearisation is defined in the positive range only
and the negative range will be a mirror image of the positive range
with reference to zero.

 With Linearisation Mode set to 2, it is a must to set P1(x) to –100 %

and P16(x) to +100 %. This enables the user to set curves which are
not symmetric to the zero position.

x

y

P1(x)= 0%
P1(y)=10%

Linearisation Mode = 1

x

y

Linearisation Mode = 2

P1(x)= -100%
P1(y)= 95%

P8(x)= 0%
P8(y)= 80%

P16(x)=+100%
P16(y)= -60%

*)

P16(x)=100%
P16(y)= 80%

*) Output mode = 0

9. Appendix

9.1. Hints for Use of the Linearization Function

The linearization function of these units allow to convert a linear input frequency into a non-linear
developing, which can be indicated on the LCD display and which is also available as analog
signal or as serial data, for further processing.

There are 16 programmable x/y coordinates available, which can be set in any desired distance
over the full conversion range. Between two coordinates, the unit uses linear interpolation.
Therefore it is advisable to use more coordinates in a range with strong curves and only a few
coordinates where the curvature is less.

To specify an individual linearization curve, the „Linearisation Mode“ register must be set to
either 1 or 2.

The registers P1(x) to P16(x) are used to specify the coordinates on the x-axis. These are the
measuring values that the unit normally would generate according to the actual input frequency.
These settings must be in % of full scale.

Now enter the attached values to registers P1(y) to P16(y). These are the values that the unit will
generate instead of the x- values, i.e. P2(y) will substitute P2(x) etc.

6890_5060_05a_oi_e.doc / Mrz-21 Page 35 / 40

EOT

AD1

AD2

C1

C2

ENQ

EOT = control character (Hex 04)
AD1 = unit address, High Byte
AD2 = unit address, Low Byte
C1 = register code, High Byte
C2 = register code, Low Byte
ENQ = control character (Hex 05)

ASCII Code:

EOT 1 1 : 9

ENQ

Hex Code:

04

31

31

3A

39

05

Binary Code:

0000 0100

0011 0001

0011 0001

0011 1010

0011 1001

0000 0101

STX

C1

C2

x x x x x x x

ETX

BCC

STX = control character (Hex 02)

C1 = register code, High Byte

C2 = register code, Low Byte

xxxxx = readout data

ETX = control character (Hex 03)

BCC = block check character

9.2. Data Readout via Serial Interface

All register codes shown in the "Serial Menu" are available for serial readout by PC or PLC. For
communication the monitors use the Drivecom Protocol according to ISO 1745. All protocol details
can be found in our manual SERPRO_2a.doc which is available for download from our homepage

www.motrona.com.

To request for a data transmission you must send the following request string to the converter:

The following example shows the request string for readout of the actual input frequency of a
monitor (code :9) from a unit with unit address 11:

After a correct request, the unit will respond:

For all further details see SERPRO_2a.doc.

6890_5060_05a_oi_e.doc / Mrz-21 Page 36 / 40

Action

Parameter settings

1

Assign the Override Command to key “UP”

Key Up Func. = 2

2

Select relays/outputs K1 and K3

Relay Action = 5

3

Set the desired switching state of the
relays/outputs (both de-energized)

Action Polarity = 2
Action

Parameter settings

1

Assign the Freeze command to input “Control1”

Input 1 Func. = 2

2

Set the input to “Active High” characteristics

Input 1 Config = 1

3

Assign the “Freeze relays” function to the input

Relay Action = 8

 These commands will override the switching states of the selected relays/outputs. All

relays/outputs will immediately return to the actual control state after removing the
override command. All internal measuring and control cycles will continue normally.

 To use these functions, please set the corresponding key and input characteristics to

static operation only, since dynamic (edge-triggered) operation would make no sense

9.3. “Relay Action”, override relay states by programmed states

Models providing relay outputs allow to temporary change the actual relay states according to a
programmable ON / OFF pattern, or to temporary freeze the actual switching states. These
override functions can be activated by either touching a front key or by a remote command.

9.3.1. Override relay/output states by programmable ON / OFF states

Parameter “Relay Action” allows to select which of the relays/outputs should be affected by the
override action. Parameter “Action Polarity” provides setting of the desired “ON / OFF” pattern»
(see section 7.2.9, “Switching Menu”). The desired way of activation this override command can
be set by the “Command-Menu” (see 7.2.6).

Application example:
You would like to temporary de-energize relays K1 and K3 by touching the key “UP”, whilst relay
K2 should continue to function normally.

9.3.2. Freeze the actual switching state of all relays

This function will temporary freeze all relays in their actual state for the duration where you press
a key or apply a remote command. During the freeze period the relays will no more follow any
changes of the input frequency

Application example:
You would like to freeze all relays by applying a “High” signal to input “Control1”

6890_5060_05a_oi_e.doc / Mrz-21 Page 37 / 40

 The command monitor uses always the same relay/transistor output to which the

underspeed function has been assigned.

 It is important to set a time higher than the Start-up delay time!
 While the command monitor function is active, you can see an indicator box in the

PI/PO column of the PC screen. The "Command Monitor" box shines blue when the
motion command is in "Disable" state.

9.4. Monitoring of remote motion enable signals

The unit provides a special "Command Monitor" function for logical control of a motion enable
signal and the resulting response of the system. In addition to the normal monitoring functions
this mode is suitable to generate alarm outputs under any of the following conditions:

 motion is disabled, but still the system moves
 motion is enabled, but the system does not move at all (mechanical deadlock), or the

system does not reach the scheduled speed within an expected time (overload)

 the motion command changes over from "enable" to "disable" but the system does not come

down to standstill within an expected time

The following parameter settings will activate the Command Monitor function:

9.4.1. Definition of a speed window

The application requires one of the relays to operate in overspeed mode (Preselect Mode = 0) and
another relay to operate in underspeed mode (Preselect Mode = 1). This will define a window for
the expected speed under regular motion conditions (see 7.2.9)

9.4.2. Assignment of a control input

One of the two control inputs has to be set to the control function "12" to activate the monitoring
of the command. This input must be connected to the remote Enable/Disable signal (see
parameters "Input Function" under 7.2.6)

9.4.3. Assignment of the control polarity

Parameter "Input Config" provides setting of the input polarity as follows:

Input Config = 0 => Motion disabled (stop) corresponds to input level "LOW"
Motion enabled (run) corresponds to input level "HIGH"

Input Config = 1 => Motion disabled (stop) corresponds to input level "HIGH"
Motion enabled (run) corresponds to input level "LOW"

9.4.4. Setting of a Start-up delay time

Any signal changes from "disable" to "enable" or vice-versa will require some delay until the
system could really follow the command (acceleration or deceleration). Therefore it is mandatory
to set an appropriate start-up delay time (to the relay/output responsible for "underspeed" only).
See section 7.2.9 “Start Up Mode" and "Start Up Relay".

9.4.5. Setting of an appropriate Standstill definition

Under parameter "Standstill Time" an appropriate time must be set (see section 7.2.9).

6890_5060_05a_oi_e.doc / Mrz-21 Page 38 / 40

(3.583’’)

91,0 mm

72,0 mm

(2,835’’)

33,0 mm

51,0 mm

76,0 mm

(1.299’’)

(2.001’’)

(2.992’’)

Front view

Side view

10. Dimensions:

6890_5060_05a_oi_e.doc / Mrz-21 Page 39 / 40

11. Technical Specifications

Power supply:

Input voltage:
Protection circuit:
Ripple:
Consumption:

17 … 30 VDC
reverse polarity protection
≤ 10 % at 24 VDC
approx. 70 mA (unloaded)

Connections:

Connector type:

screw terminals, 1,5 mm² / AWG 14

Encoder supply:

Output voltage:
Output current:

approx. 5.2 V
max. 70 mA

Incremental input:

Signal levels:

Characteristic (HTL):
Internal resistance (HTL):
Channels:
Frequency:

RS422, differential voltage > 1 V

TTL: LOW 0 … 0.5 V / HIGH: 3 … 5.3 V
HTL: LOW 0 … 4 V / HIGH: 10 … 30 V

NPN / PNP
Ri ≈ 4.75 kOhm
A, /A, B, /B
max. 1 MHz at RS422 and TTL symmetrical
max. 350 kHz at HTL and TTL asymmetrical

Control inputs:

Number of inputs:
Application:
Signal levels:
Internal resistance:
min. time of dynamic signals:
min. time of static signals: 2 msec.Frequenz (Steuer-Eingänge):

2
inductive proximity switches or control commands
LOW < 2.5 V, HIGH > 10 V (max.30 V),
Ri ≈ 3.9 kOhm
50 µs
2 ms

Analog output:
(not with

6890.5067
and 6890.5069)

Voltage output:
Current output:
Resolution:
Accuracy:
Oscillation time:

-10 … +10 V / 0 … +10 V (max. 2 mA)
0 … 20 mA / 4 … 20 mA (burden: max. 270 Ohm)
14 bit (±13 bit)

0.1 %
approx. 200 µs (reaction after 2 x sampling time + 200 µs)

Relay outputs:
(only with

6890.5060
and 6890.5067)

Number of relays:
Operating capacity:
Reaction time:

3 potential free changeover contacts
30 VDC / 2 A or 115 VAC / 0.6 A or 230 VAC / 0.3 A
approx. 4 ms

Transistor outputs:
(not with

6890.5061
and 6890.5069)

Number of outputs:
Signal levels:
Output current:
Protection:
Reaction time:

3
5 … 30 VDC (depends on COM+ voltage), PNP
max. 350 mA per output
short circuit proof
< 1 ms

Serial interface:

Format:
Baud rate:

RS232
2400 … 38400 Baud

Display:

Type:
Characteristic:

Background lightened LCD
2 lines, each 16 characters, 3,5 mm

Housing:

Material:
Mounting:
Dimensions (w x h x d):
Protection class:
Weight:

Plastic
35 mm top hat rail (according to EN 60715)
72 x 91 x 76 mm
IP20
approx. 200 g

Temperature
range:

Operation:
Storage:

0 °C … +45 °C / +32 … +113 °F (not condensing)

-25 °C … +70 °C / -13 … +158 °F (not condensing)

Failure rate:

MTBF in years:

23.4 a (long-term usage at 60 °C / 140 °F )

Conformity and
standards:

EMC 2004/108/EC:
LV 2006/95/EC:
RoHS 2011/65/EU:

EN 61000-6-2, EN 61000-6-3, EN 61000-6-4
EN 61010-1
EN 50581

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