Red Lion DT8 User Manual

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DITAK 8 - ADJUSTABLE TIMEBASE 5-DIGIT RATE INDICATOR

 LCD, POSITIVE REFLECTIVE OR NEGATIVE TRANSMISSIVE

WITH YELLOW/GREEN OR RED BACKLIGHTING

 0.6 INCH (15.2 mm) HIGH DIGITS
 ADJUSTABLE TIMEBASE FROM 4 MSEC TO 63 SEC
 INTERNAL LITHIUM BATTERY PROVIDES OVER 5 YEARS OF

CONTINUOUS OPERATION

 NEMA 4X/IP65 SEALED FRONT PANEL BEZEL
 ACCEPTS MAGNETIC OR LOGIC TYPE SIGNAL INPUTS
 WIRE CONNECTIONS MADE VIA SCREW CLAMP TYPE

TERMINALS

Bulletin No. DT8-E
Drawing No. LP0555
Released 04/10

DESCRIPTION

The Ditak 8 is a self-powered rate indicator which features selectable
Timebase Increments by setting the appropriate DIP switches on the rear of the
unit. The internal 3.6 VDC lithium battery will operate continuously for at least
5 years. It has a 5-digit LCD display with 0.6 inch (15.2 mm) high digits. The
displays are available in positive image reflective (black digits, reflective
background) or negative image transmissive (illuminated digits, dark
background) with red or yellow/green backlighting. Backlight version units
require power from an external 9 to 28 VDC supply.

The unit is constructed of a lightweight, high impact plastic case with a clear
viewing window. The sealed front panel meets NEMA 4X/IP65 specifications
for wash-down and/or dusty environments, when properly installed.

The optional Micro Line/Sensor Power Supply (MLPS1000) is designed to
attach to the rear of an installed Ditak 8. The optional supply can be powered
from 85 to 250 VAC, and can provide power for the backlighting of a unit and
most sensors.

SAFETY SUMMARY

All safety related regulations, local codes and instructions that appear in the
manual or on equipment must be observed to ensure personal safety and to
prevent damage to either the instrument or equipment connected to it. If
equipment is used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired.

CAUTION: Risk of Danger.

Read complete instructions prior to

installation and operation of the unit.

SPECIFICATIONS

1. DISPLAY: 5-Digit LCD, 0.6" (15.2 mm) high digits.

2. POWER SOURCE: Internal 3.6 V lithium battery provides over 5 years of

continuous service (battery life is dependent upon usage).

3. BACKLIGHT POWER REQUIREMENTS: 9 to 28 VDC @ 35 mA.

Above 26 VDC, derate operating temperature to 50 °C. Must use the MLPS1
or an NEC Class 2 or Limited Power Source (LPS) rated power supply.

4. SIGNAL INPUT: 0 to 10 KHz from a magnetic or bi-polar output (with a

50% duty cycle). Min. input sensitivity is 0.9 V. Max. input = 28 VDC.

5. TIMEBASE: Adjustable in 1/256 sec (3.906 msec) increments via DIP

switches located at the rear of the unit. Timebase ranges from 3.906 msec to

63.99 sec; 0.01% ±1 digit accuracy.

6. ENVIRONMENTAL CONDITIONS: Operating Temperature: 0 to 60 °C

(Above 50 °C derate backlight operating voltage to 26 VDC max.)

Storage Temperature: -40 to 80 °C
Operating and Storage Humidity: 85% max. (non-condensing) from 0 °C

to 60 °C.

Vibration According to IEC 68-2-6: Operational 5 to 500 Hz, in X, Y, Z

direction for 1.5 hours, 5 g’s.

Shock According to IEC 68-2-27: Operational 30 g’ s, 1 1 msec in 3 directions.
Altitude: Up to 2000 meters

7. CONSTRUCTION: High impact plastic case with clear viewing window

(Panel gasket and mounting clip included). Installation Category I, Pollution
Degree 2.

ORDERING INFORMATION

MODEL NO. DESCRIPTION PART NUMBER

Adjustable Timebase Tachometer DT800000

DT8

MLPS Micro Line Sensor/Power Supply MLPS1000

Adjustable Timebase Tachometer with Yellow/
Green Backlighting

Adjustable Timebase Tachometer with Red
Backlighting

DT800010

DT800020

DIMENSIONS In inches (mm)

2.95 (74.9)

1.54 (39.1)

0.15
(3.8)

Note: Recommended minimum clearance (behind the panel) for

mounting clip installation is 2.15" (54.6) H x 3.0" (76.2) W.

0.13 (3.2)

+.025

2.68

-.000

+.6

(68 )

1.38 (35.1)

1.29

(32.8)

-.0

1.30

+.6

(33 )

-.0

+.024

-.000

1

SHIELD

RED

BLACK

COMM

INPUT

MACHINE

FRAME

MP62TA

AC

V

AUDIO OR A.C.

TACH. GEN.

SIGNAL SOURCE

INPUT

COMM

OR INVERTER

TRANSFORMER FOR

HIGH VOLTAGE

STEP-DOWN ISOLATION

AC

V

TO HIGH

POWER LINE

VOLTAGE

+V

INPUT

COMM

TTL or CMOS

INPUT

TRANSISTOR INPUT

NPN OPEN COLLECTOR

4.7K

+V

PNP OPEN COLLECTOR

TRANSISTOR INPUT

4.7K

COMMON

+V

SPECIFICATIONS (Cont'd)

8. CERTIFICA TIONS AND COMPLIANCES:
SAFETY

IEC 1010-1, EN 61010-1: Safety requirements for electrical equipment for

measurement, control, and laboratory use, Part 1.
IP65 Enclosure rating (Face only), IEC 529
Type 4X Enclosure rating (Face only), UL50

ELECTROMAGNETIC COMPATIBILITY

Emissions and Immunity to EN 61326: 2006: Electrical Equipment for

Measurement, Control and Laboratory use.

Immunity to Industrial Locations:
Electrostatic discharge EN 61000-4-2 Criterion A

4 kV contact discharge
8 kV air discharge

Electromagnetic RF fields EN 61000-4-3 Criterion A

10 V/m (80 MHz to 1 GHz)
3 V/m (1.4 GHz to 2 GHz)
1 V/m (2 GHz to 2.7 GHz)

Fast transients (burst) EN 61000-4-4 Criterion A

power 2 kV

I/O signal 1 kV

Surge EN 61000-4-5 Criterion A

power 1 kV L to L, 2 kV L to G

RF conducted interference EN 61000-4-6 Criterion A

3 V/rms

Power frequency magnetic fields EN 61000-4-8 Criterion A

30 A/m

AC power EN 61000-4-11 Criterion A

Voltage dip 0% during 1 cycle

40% during 10/12 cycle
70% during 25/30 cycle

Short interruptions Criterion B

0% during 250/300 cycles

Emissions:

Emissions EN 55011 Class B

Notes:

1. Criterion A: Normal operation within specified limits.

2. Criterion B: Temporary loss of performance from which the unit self-

recovers.

Refer to the EMC Installation Guidelines section of this bulletin for additional

information.

9. WEIGHT: 3.4 oz (96.4 g)

EMC INSTALLATION GUIDELINES

Although this unit is designed with a high degree of immunity to
ElectroMagnetic Interference (EMI), proper installation and wiring methods
must be followed to ensure compatibility in each application. The type of the
electrical noise, source or coupling method into the unit may be different for
various installations. In extremely high EMI environments, additional measures
may be needed. Cable length, routing and shield termination are very important
and can mean the difference between a successful or a troublesome installation.
Listed below are some EMC guidelines for successful installation in an
industrial environment.

1. Use shielded (screened) cables for all Signal and Control inputs. The shield

(screen) pigtail connection should be made as short as possible. The

connection point for the shield depends somewhat upon the application.

Listed below are the recommended methods of connecting the shield, in order

of their effectiveness.

a. Connect the shield only at the panel where the unit is mounted to earth

ground (protective earth).

b. Connect the shield to earth ground at both ends of the cable, usually when

the noise source frequency is above 1 MHz.

c. Connect the shield to common of the unit and leave the other end of the

shield unconnected and insulated from earth ground.

2. Never run Signal or Control cables in the same conduit or raceway with AC

power lines, conductors feeding motors, solenoids, SCR controls, and

heaters, etc. The cables should be run in metal conduit that is properly

grounded. This is especially useful in applications where cable runs are long

and portable two-way radios are used in close proximity or if the installation

is near a commercial radio transmitter.

3. Signal or Control cables within an enclosure should be routed as far away as

possible from contactors, control relays, transformers, and other noisy

components.

4. In extremely high EMI environments, the use of external EMI suppression

devices, such as ferrite suppression cores, is effective. Install them on Signal

and Control cables as close to the unit as possible. Loop the cable through the

core several times or use multiple cores on each cable for additional

protection. Install line filters on the power input cable to the unit to suppress
power line interference. Install them near the power entry point of the
enclosure. The following EMI suppression devices (or equivalent) are
recommended:
Ferrite Suppression Cores for signal and control cables:

Fair-Rite # 0443167251 (RLC #FCOR0000)
TDK # ZCAT3035-1330A
Steward #28B2029-0A0

Line Filters for input power cables:

Schaffner # FN610-1/07 (RLC #LFIL0000)
Schaffner # FN670-1.8/07
Corcom #1VR3

Note: Reference manufacturer’s instructions when installing a line filter.

5. Long cable runs are more susceptible to EMI pickup than short cable runs.
Therefore, keep cable runs as short as possible.

BLOCK DIAGRAM

3V

SIGNAL

GND

220K

100K

100K

3.6V

OPTIONAL

BACKLIGHTING

.1µF

3.6V

LITHIUM

6.2K
3

INP

GND

1

2

V+

WIRING CONNECTIONS

The electrical connections are made via rear screw-clamp terminals
located on the back of the unit. All conductors should meet voltage and
current ratings for each terminal. Also cabling should conform to appropriate
standards of good installation, local codes and regulations. It is recommended
that power supplied to the unit (AC or DC) be protected by a fuse or circuit
breaker. When wiring the unit, use the label to identify the wire position with
the proper function. Strip the wire, leaving approximately 1/4" bare wire
exposed (stranded wires should be tinned with solder). Insert the wire into
the screw-clamp terminal and tighten the screw until the wire is clamped
tightly. Each terminal can accept up to two #14 AWG wires.

The backlighting for a backlight version unit is powered between T erminal
2 (V+) and Terminal 1 (GND).

Variable Frequency AC Inputs, Signal Source Powered

Variable Frequency AC Inputs, Signal Source Powered

Minimum VAC for operation is 0.9 V peak.

Logic Pulse Inputs From Other Circuits & Sensors

2

REAR PANEL DIP SWITCHES

1248163264

128

256

512

1024

2048

4096

8192

TIMEBASE INCREMENTS

V+ 2

3 INP

1 GND

SWB

81

ON

SWA

DT8

16

WARNING: LITHIUM BATTERY

MAY EXPLODE IF INCINERATED

MADE IN U.S.A.

YORK, PA.

When viewing the Ditak 8 from the rear, there are two banks of DIP switches
located along the top edge of the PC board. The bank of eight switches to the
left is labeled SWA and the bank of six switches to the right is labeled SWB. All
of the switches are used to select the desired Timebase.

The Timebase increment total is computed according to the following formula:

TIMEBASE INCREMENT TOTAL (TBIT) =

DR x 15,361

RPM x PPR

WHERE:

DR = Desired Reading
RPM = Revolutions Per Minute
PPR = Pulses Per Revolution

Example: Find the appropriate Timebase DIP switch setting for desired

parameters.

Desired Readout (DR) = 2500
Revolutions Per Minute (RPM) = 1250
Pulses Per Revolution (PPR) = 50

WARNING: Lithium battery may explode if incinerated.

TIMEBASE SELECTION

The Ditak 8 has a Timebase selection range from 3.906 msec to 63.99 sec.
SWA 1 is set to the “ON” position for the minimum Timebase setting. SWA 1
through SWB 6 are set to the “ON” position for the maximum Timebase setting.
A specific Timebase setting is achieved by adding the appropriate individual
Timebase increments.

TIMEBASE

SWITCH

SWA 1 1 SWB 1 256
SWA 2 2 SWB 2 512
SWA 3 4 SWB 3 1024
SWA 4 8 SWB 4 2048
SWA 5 16 SWB 5 4096
SWA 6 32 SWB 6 8192
SWA 7 64
SWA 8 128

INCREMENTS

SWITCH

TIMEBASE

INCREMENTS

TIMEBASE INCREMENT TOTAL (TBIT) =

2500 x 15,361

1250 x 50

TBIT = 614.44

TBIT = 614

{round to the nearest whole number}

TBIT = 614

DIP SWB 2 - 512

DIP SWA 7 - 64

DIP SWA 6 - 32

DIP SWA 3 - 4

DIP SWA 2 - 2

102 - Needed

38 - Needed

6 - Needed

2 - Needed

0 - Needed

Note: If no timebase switches are turned on, the Ditak 8 will default to 3.906

msec timebase.

DIP switches SWA 2, 3, 6, 7, and SWB 2 are all set to the “ON” position for
a Timebase Increment Total of 614. If it is desired to know what the
approximate Timebase is in seconds, use the following formula:

TBIT x 0.003906 = Time in seconds

614 x 0.003906 = 2.398 sec.

TYPICAL APPLICATION

CONVEYOR BELT SPEED INDICATOR

It is desired to display the rate of a conveyor belt used to carry PC Boards through an infrared soldering chamber that is variable from 0 to 10 feet per minute.
The rate must be adjusted depending on the size of the boards being soldered. The display of the rate indicator must read in feet per minute. The shaft of the variable
speed motor contains a keyway. A speed of 100 RPM will produce a belt speed of 10 ft/min. A proximity sensor is used to monitor the speed of the shaft. The Ditak
8 can be used to display the belt speed in this application. The output signal of the sensor is connected to the Ditak 8 Terminal 3 (INP). The sensor common and
shield are connected to the Ditak 8 Terminal 1 (GND). The Timebase setting is to be determined by using the formula.

TIMEBASE INCREMENT TOTAL (TBIT) =

DR x 15,361
RPM x PPR

10 x 15,361

=

100 x 1

Desired Reading = 10
MAX RPM Of Shaft = 100
Pulses Per Revolution = 1

3

TBIT = 1536.1

TBIT = 1536
TBIT = 1536

DIP SWB 3 - 1024

DIP SWB 2 - 512

{round to the nearest whole number}

512 - Needed

0 - Needed

INSTALLATION ENVIRONMENT

EXISTING

PANEL

0.05" TO 0.20"

(1.3 TO 5.1mm)

THICK

GASKET

0.093"

(2.4 mm)

THICK

BEZEL

MOUNTING

CLIP

NUT

FASTENER

MOUNTING

SCREW

LATCHING

FEATURE

LATCHING

FEATURE

The unit should be installed in a location that does not exceed the

maximum operating temperature and provides good air circulation.Placing
the unit near devices that generate excessive heat should be avoided. The
bezel should be cleaned only with a soft cloth and neutral soap product. Do
NOT use solvents.Continuous exposure to direct sunlight may accelerate the
aging process of the bezel.

INSTALLATION

The Ditak 8 meets NEMA4X/IP65 requirements for indoor use, when

properly installed. The units are intended to be mounted into an enclosed
panel. A sponge rubber gasket, mounting clip, two screws, and nut fasteners
are provided to install and seal the unit in the panel cut-out.

The following procedure assures proper installation:

1. Cut panel opening to specified dimensions. Remove burrs and clean panel
opening.

2. Slide the panel gasket over the rear of the unit to the back of the bezel.

3. Slide nut fastener into slot on mounting clip and then insert mounting screw
through nut on both sides of mounting clip. Tip of mounting screw should
NOTproject through hole on clip.

4. Install Ditak unit through panel cut-out.

5. Slide mounting clip over rear of unit until clip is against back of panel. The
mounting clip and Ditak housing have a latching feature to hold the unit in
place until tightened.

Note: Hold the Ditak front bezel in place when sliding the mounting clip

into position.

6. Alternately tighten each mounting screw to ensure uniform gasket pressure.
Visually inspect the gasket for proper seal. The gasket should be
compressed approximately 75 to 80% of its original thickness.

7. If the gasket is not adequately compressed and the mounting screws cannot
be tightened any further, loosen mounting screws and insure that the clip is
latched as close as possible to the panel.

8. Repeat step #6 for tightening the mounting screws.

TROUBLESHOOTING

For further technical assistance, contact technical support at the appropriate company numbers listed.

The Company warrants the products it manufactures against defects in materials and
workmanship for a period limited to two years from the date of shipment, provided the products
have been stored, handled, installed, and used under proper conditions. The Company’s liability
under this limited warranty shall extend only to the repair or replacement of a defective product, at
The Company’s option. The Company disclaims all liability for any affirmation, promise or
representation with respect to the products.

The customer agrees to hold Red Lion Controls harmless from, defend, and indemnify RLC
against damages, claims, and expenses arising out of subsequent sales of RLC products or products
containing components manufactured by RLC and based upon personal injuries, deaths, property
damage, lost profits, and other matters which Buyer, its employees, or sub-contractors are or may be
to any extent liable, including without limitation penalties imposed by the Consumer Product Safety
Act (P.L. 92-573) and liability imposed upon any person pursuant to the Magnuson-Moss Warranty
Act (P.L. 93-637), as now in effect or as amended hereafter.

No warranties expressed or implied are created with respect to The Company’s products except
those expressly contained herein. The Customer acknowledges the disclaimers and limitations
contained herein and relies on no other warranties or affirmations.

LIMITED WARRANTY

Red Lion Controls
Headquarters
20 Willow Springs Circle
York PA 17406
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Red Lion Controls

NL - 3821 AD Amersfoort

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Europe

Printerweg 10

Red Lion Controls

India

54, Vishvas Tenement

GST Road, New Ranip,

Ahmedabad-382480 Gujarat, India

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4

Red Lion Controls

China

Unit 101, XinAn Plaza

Building 13, No.99 Tianzhou Road

ShangHai, P.R. China 200223

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