Braun MOVIPORT C118 Series User manual

Universal Hand Held Tachometer
MOVIPORT C118 Series
Manual
Hand Held Tachometer C118 + Cable SAK-2m + Sensor A1S30P95

1
Manual C118 EN Rev04 04.2017 1
Universal Hand Held Tachometer
MOVIPORT C118 Series
Manual
Contents
Page
C118 Versions and Accessories ........................................................................ 2
Specifications .................................................................................................... 3
Operational Elements ........................................................................................ 4
Short Form Instructions to Operation ............................................................... 5
Sensors and Cables fitting the C118 ................................................................. 6
Sensor Selection and Target Marking Directions ............................................. 7
Instrument Connections..................................................................................... 9
Power Supply .................................................................................................. 10
Input Response ................................................................................................ 11
MAX/MIN Memory........................................................................................ 12
Totalizing Function ......................................................................................... 12
FIX / VAR Operation Modes.......................................................................... 13
Programming Procedure and List of Steps ..................................................... 14
Parameter Functions
Shortest and Maximum Measuring Time Allowance ............................. 15
Computing (Scaling) Factor.................................................................... 16
Display of Speed and Frequency ............................................................ 16
Analog Output......................................................................................... 17
Automatic Power Off .............................................................................. 18
Pre-Divider ............................................................................................. 18
Display of Totals..................................................................................... 19
Parameters set on Delivery (Default Values).................................................. 19
Notes to Optional Functions of C118
Data Interface RS232 at C118.1 and C118.3 .................................................. 20
Manual Preset of Sensitivity at C118.2 and C118.3 ....................................... 11
applicable since Serial No. 012535

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Manual C118 EN Rev04 04.2017 2
Scope of the MOVIPORT C118 Series Overview
Ordering No.
C118BS
Equipment comprising
Standard Equipment
with battery-powered Instrument C118, Optosensor A1S30P95,
plug-in connector cable SAK-2m, marking aids, carrying case
C118.1BS Instrument with RS232 Data Interface and adapter cable L3D01,
otherequipment as under C118BS
C118.2BS Instrument with Manual Preset of Input Sensitivity,
otherequipment as under C118BS
C118.3BS Instrument with RS232 Data Interface and adapter cable L3D01,
otherequipment as under C118.2BS
C118.2BP Instrument with high efficiency sensor A1S36P95 with 5m firmly
attached cable, in place of A1S30P95+SAK-2m Equipment,
otherequipment as under C118.2BS
C118.3BP Instrument with RS232 Data Interface and adapter cable L3D01,
otherequipment as under C118.2BP
Scope of Sensors and Cables to C118 see page 6
Extra Accessories
Application
Set of (not-rechargeable) batteries
Part No.
MN1500x4
Power Supply Unit (to feed the C118 immediately from mains
(100 V...240 V AC)
U1H008
Set of rechargeable cells in place of batteries IECR6
Charger to IECR6 from 230 V AC U1H009
Plug-in cable to output, 3 m long, BNC connectors at both ends
(one cable per output required)
U1H014
High reflection marking tape bag of 10 pieces U1A006/10
roll of 4,5 m length U1A006/1
Magneto-based adjustable sensor clamp
RS232 adapter cable between C118 and PC, 1,8 m length
U9A001
L3D01

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Manual C118 EN Rev04 04.2017 3
Specifications
Measuring Function Principle
Pulse distance measurement with automatically extended number of periods,
as determined by a programmable* minimum measuring time allowance.
Low end of operating range programmable*, high end = 100 kHz.
Accuracy + 0.05 % + 1 in last active digit.
Special Function (SF) provides continuous totalizing of input pulses.
Modes of Operation
Push-button selection between FIX = straight tachometer function and
VAR = use of incorporated programmable* computing facilities.
Computing Facility to convert Measurements into other Variables
6 digits programmable* conversion factor, multiplying or dividing, representing
a roll circumference, or gear ratio, or transmitter factor, for instance.
Display
6 digits reading speed by selectable units .../sec, …/min, …/h, or totals (SF).
Decimals by automatic shifting (FIX mode) or firm on programmable position
(VAR mode).
Memory
Maximum, Minimum, Average, over a controllable period of time. Call to
display by push-button.
Signal Input
To pulses or AC voltage from 50 mVeff up to 60 volts. Selection of automatic
response characteristics. Programmable* frequency pre-divider 001 …255.
Sensor supply 5 volts / max 60 ma.
Analog Output
0 … 4 volts, short circuit protected. Source impedance 100 ohms. Linearly
related to display. Low and high end of conversion range programmable* for
spread reading. Resolution 12 bit.
Pulse Output
Square wave shaped, with its sequence repeating the input, reduced by pro-
grammed pre-divider. 5 volts TTL-level.
Power Supply
Inserted batteries (4xMN1500), or rechargeable cells (IECR6). Alternatively by
supply unit (U1H008) from mains 100 ... 250 volts AC, plug-in connection.
Operating Conditions
Ambient Temperature -10 … + 55 °C (14 … 130 °F). Protection grade IP 54.
Dimensions 195 x 100 x 40 mm. Weight (with batteries) approx. 480 grams.
* Programming effective only in VAR mode. Parameter List on page 14.
For additional specifications of special versions see corresponding chapters.

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Manual C118 EN Rev04 04.2017 4
Operational Elements
Input socket to
sensor connection
Turning knob to preset the
maximum input sensitivity
(C118.2 and C118.3 only)
Jack to supply
unit U1H008
Display reading
measurements with
their time reference,
operating mode, pro-
gram Step No and its
p
aramete
r
Key board
to select
the functions
(see instructions)
Response indicator
Battery case underneath
2x BNC jacks for
pulse output
and
analog output
Socket for
Data interface

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Manual C118 EN Rev04 04.2017 4
Operational Elements
Input socket to
sensor connection
Turning knob to preset the
maximum input sensitivity
(C118.2 and C118.3 only)
Jack to supply
unit U1H008
Display reading
measurements with
their time reference,
operating mode, pro-
gram Step No and its
p
aramete
r
Key board
to select
the functions
(see instructions)
Response indicator
Battery case underneath
2x BNC jacks for
pulse output
and
analog output
Socket for
Data interface
Manual C118 EN Rev04 04.2017 5
Short Form Instructions to Operation
Further explanation on page
FIX Operation Mode
no programming at all
required
VAR Operation Mode
programming facilities
get valid
Signal Input
Response
Characteristics
Time reference of
Readings
Analog Output
MAX / MIN / Average
ON / OFF
13
14
9
11
13
17
12
10
Immediate direct tachometer function.
Range 30 / min up to 100,000 / sec,
valid for 1 mark per revolution.
Display with automatic decimal point:
Last digit = 0.x 0.0 0x
Details on page 13.
actuate key FIX/VAR to switch to VAR.
Programming procedure and function in-
structions start on page 14.
plug in sensor immediately into socket,
or use connection cable.
For normal operation use predetermined
automatic mode. Manual knob preset at
C118.2 and C118.3.
To eliminate the automatic mode, keep
AVG key depressed, and actuate FIX
key for approx. 1 sec. Display indicates
AUTO OFF.
Use same procedure to return to auto-
matic response.
select by /h /min /sec key for speed, or
select totalizing by SF (its period being
effective from first actuation of BEGIN
key to subsequent one = END).
effective in both modes FIX and VAR,
range as set by program.
memorized between BEGIN and END
(key actuation). Call to display by keys
MAX, MIN, or AVG.
by ON/OFF key. Programmable to
automatic OFF after 10 min idling.

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Manual C118 EN Rev04 04.2017 6
Sensors and Cables fitting the C118
Application Characteristics Part No.
Optoelectronic Sensor as standard, 95 mm shaft
(part of equipment C118BS, C118.1BS, C118.2BS and
C118.3BS).
A1S30P95 *
same, with short shaft 35 mm. A1S30P35 *
Optosensor, with increased light intensity, with 5m
cable firmly attached (part of C118.2BP and C118.3BP).
A1S36P95-5m
same, with short shaft 35 mm, and angularly
attached cable, for narrow space applications.
A1S36WP35-5m
Laser type sensor for scanning distance up to 2 m,
target to be marked with high reflection tape U1A006.
A1S37P *
Sensing wheel, twin type, wheel 63 mm,
1000 pulses/meter for length detection,
Speed measuring range 0… 1200 m/min.
A1L04B200 **
Sensing wheel, twin type, wheel 159 mm,
1000 pulses/meter for length detection,
Speed measuring range 0… 3000 m/min.
A1L05B500-5V **
Speed sensor on differential Hall-effect basis, detecting
steel profiles, or magnets, at any speed, under tough con-
ditions, under oil or water.
A5S07B50-2mP **
Speed sensors on magnetic-inductive (active) basis,
to detect varying external magnetic fields. Specials for
speed measurement of turbochargers on ships.
Sensor series
A2S… ***
*) connection cable type SAK
(in standard equipment with 2 meters length)
**) connection cable type L3A25BP
***) connection cable type L2A16BP
All cables available with length of 2 m, 5 m, 10 m.

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Manual C118 EN Rev04 04.2017 6
Sensors and Cables fitting the C118
Application Characteristics Part No.
Optoelectronic Sensor as standard, 95 mm shaft
(part of equipment C118BS, C118.1BS, C118.2BS and
C118.3BS).
A1S30P95 *
same, with short shaft 35 mm. A1S30P35 *
Optosensor, with increased light intensity, with 5m
cable firmly attached (part of C118.2BP and C118.3BP).
A1S36P95-5m
same, with short shaft 35 mm, and angularly
attached cable, for narrow space applications.
A1S36WP35-5m
Laser type sensor for scanning distance up to 2 m,
target to be marked with high reflection tape U1A006.
A1S37P *
Sensing wheel, twin type, wheel 63 mm,
1000 pulses/meter for length detection,
Speed measuring range 0… 1200 m/min.
A1L04B200 **
Sensing wheel, twin type, wheel 159 mm,
1000 pulses/meter for length detection,
Speed measuring range 0… 3000 m/min.
A1L05B500-5V **
Speed sensor on differential Hall-effect basis, detecting
steel profiles, or magnets, at any speed, under tough con-
ditions, under oil or water.
A5S07B50-2mP **
Speed sensors on magnetic-inductive (active) basis,
to detect varying external magnetic fields. Specials for
speed measurement of turbochargers on ships.
Sensor series
A2S… ***
*) connection cable type SAK
(in standard equipment with 2 meters length)
**) connection cable type L3A25BP
***) connection cable type L2A16BP
All cables available with length of 2 m, 5 m, 10 m.
Manual C118 EN Rev04 04.2017 7
Notes to sensor selection and how to mark the target
Optoelectronic type sensors
There is hardly another type of sensors fitting better to var-
ying applications as the non-contact optoelectronic versions
do. The target is fast and easily prepared. The automatic
signal conditioning, incorporated with the C118, accepts a
line of paint, a hole, or a screw, or a blade as a mark.
Important however, that it has a strong contrast to the back-
ground. An excellent means is a piece of the high reflection
strip (U1A006) taped on the target.
The target itself may be any sized part (a wheel, shaft or
disk, for instance), made of any material, metal or plastics.
Since there is no reaction to the object under measurement,
this may be a small and light part, also running at high
speed. The only requirement is to keep the spot of meas-
urement clean.
For the mark, a length of 1 cm in direction of run (even less
at smaller shafts) will be adequate. A crooked surface (fan
or turbine blade) will best be marked by a piece of the high
reflection tape (U1A006).
If several marks are used (to get a faster reaction at a slow
motion), they should be placed with equal distances be-
tween them.
The acceptable scanning distance (clearance) widely de-
pends on the contrast of the mark. In general, it will be 0.5
to 2 cm, more with the high reflection mark applied. With
this as pre-condition, the Laser type sensor A1S37P may
achieve up to 2 meters.
The sensor A1S36P95 has been designed for heavy ambient
conditions, at paper machines (felts), for instance. The
firmly attached cable protects against humidity or steam,
and its especially intensive light may overcome a faint
marking contrast.
Oscillating light as emitted from AC-supplied illumination
may pretend a speed to the instrument (50 Hz =3000 RPM),
even if reflected somewhere. This may cause irritations,
and the sensor should be protected against.
A1S30P95,
the standard for
optoelectronic
sensing
A1S37P,
the sensor for
large distance
A1S36P95,
the sensor for
humid ambiance,
and with en-
hanced light
It is important to hold the sensor steadily (in reference to
the target). Mostly, a support to the hand will be adequate.
Critical applications (low speed, narrow clearance) may re-
quire a firm clamping of the sensor. The magneto-based ad-
justable clamp U9A001 will be a practical aid, specifically
to the Laser type sensor A1S37P.
Magneto-based
sensor clamp
U9A001

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Manual C118 EN Rev04 04.2017 8
Sensors with function principle based on magnetic field
Typical application is the speed detection of a rotating gear
wheel, or similarly profiled part, with steel as material. May
be used under oil, or water, or within a greasy ambiance.
Sensing distance (clearance) typical 0.5 …2 mm. There-
fore, a firm support is indispensable. All these sensors have
a mounting thread on their body.
Various sensors are available with different characteristics:
The differential Hall-effect sensor A5S07B50-2mP have a
very fine spatial resolution: detecting gear size as small as
module 1 (pitch 25), large frequency range from close to
zero up to 12,000 pulses / second. Equally strong output
signal over this entire range. The differential principle bal-
ances target vibrations, and external static magnetic fields.
Rotating magnets however will be detected. Wide accepta-
ble temperature range from -40 °C …+125 °C.
Magnetic induction type sensors are active, but limited to
rather high speed, as in turbo-blower engines. Further, to
detect AC magnetic fields, as in the neighborhood of igni-
tion coils, electrical motors, or generators.
Not recommended at low speed, because of the then low
output voltage.
See specific data sheets for further information.
Magnetic type
sensors detect
rotating steel
profiles, even
under oil or
water
Advantageous
characteristics
of Hall-effect
sensors A5S…
Magnetic (active)
sensors A2S…
Wheel type Sensors
Detecting the surface speed of a wheel (roll), or the
material speed of a web, running belt, and similar.
Further use to length totalizing, by the SF function of the
C118 instrument.
Always place the sensor to be pulled (not pushed) by the
motion. For a longer term application suspend it by a bar
(20 mm Ø) through its transversal bore hole.
High resolution and large speed range will be provided by
the twin wheel sensor A1L04B200 (0-1200 m/min) resp.
A1L05B500-5V (0-3000 m/min), see specifications.
Surface speed
measurement
and length
totalizing by
wheel type
sensors
A1L…

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Manual C118 EN Rev04 04.2017 8
Sensors with function principle based on magnetic field
Typical application is the speed detection of a rotating gear
wheel, or similarly profiled part, with steel as material. May
be used under oil, or water, or within a greasy ambiance.
Sensing distance (clearance) typical 0.5 …2 mm. There-
fore, a firm support is indispensable. All these sensors have
a mounting thread on their body.
Various sensors are available with different characteristics:
The differential Hall-effect sensor A5S07B50-2mP have a
very fine spatial resolution: detecting gear size as small as
module 1 (pitch 25), large frequency range from close to
zero up to 12,000 pulses / second. Equally strong output
signal over this entire range. The differential principle bal-
ances target vibrations, and external static magnetic fields.
Rotating magnets however will be detected. Wide accepta-
ble temperature range from -40 °C …+125 °C.
Magnetic induction type sensors are active, but limited to
rather high speed, as in turbo-blower engines. Further, to
detect AC magnetic fields, as in the neighborhood of igni-
tion coils, electrical motors, or generators.
Not recommended at low speed, because of the then low
output voltage.
See specific data sheets for further information.
Magnetic type
sensors detect
rotating steel
profiles, even
under oil or
water
Advantageous
characteristics
of Hall-effect
sensors A5S…
Magnetic (active)
sensors A2S…
Wheel type Sensors
Detecting the surface speed of a wheel (roll), or the
material speed of a web, running belt, and similar.
Further use to length totalizing, by the SF function of the
C118 instrument.
Always place the sensor to be pulled (not pushed) by the
motion. For a longer term application suspend it by a bar
(20 mm Ø) through its transversal bore hole.
High resolution and large speed range will be provided by
the twin wheel sensor A1L04B200 (0-1200 m/min) resp.
A1L05B500-5V (0-3000 m/min), see specifications.
Surface speed
measurement
and length
totalizing by
wheel type
sensors
A1L…
Manual C118 EN Rev04 04.2017 9
Operating the C118
Connections
Analog and Pulse Output
2 front side BNC jacks provide the analog output and the
pulse output. Available is a ready-made cable U1H014,
with BNC connectors on both ends.
Connecting the
analog output or
pulse output
Sensor Input
The standard reflection type sensor A1S30P can be pushed
into the front side socket immediately, or connected by the
SAK type cable. This socket accepts the other sensors (see
page 6), too. Please observe the guiding slot at the socket.
The screw at the connector will be downside.
For other signal sources, the ready-made cable L2A12PS-
2m may be used, or wire according to this pin diagram:
1 = sensor supply +5 volts / 47 ohms source impedance
2 = aux load resistor 820 ohms versus zero
3 = sensor supply +5 volts/ max 60 ma
4 = signal input
5 = 0 v (common zero)
Part No. of connector: STP6S.
Sensor
Connection
Power Supply Input
The single metallic jack at the front accepts the cable from
the power supply unit U1H008. It powers the instrument, if
not batteries or rechargeable cells are used.
Power Input

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Manual C118 EN Rev04 04.2017 10
Power Supply
Mostly used, for best flexibility, are batteries (MN1500x4)
or re-chargeable cells (IECR6). They are inserted into the
battery case underneath.
Further, the supply unit U1H008 may be used. Its output
cable will be plugged into the front side metallic jack.
Note:
The supply unit cannot re-charge the cells. To re-charge
those, they must be inserted into the charger unit U1H009.
To remove the battery case cover, pull it to the rear, as
indicated by OPEN. If necessary, use a knife blade.
When inserting the batteries or cells, watch for their correct
polarity, as indicated by symbols at the bottom of the case,
opposite to each other. Then re-insert and close the case
cover.
Part No. of the case cover: BOS800-802-B.
Powered by
batteries, cells,
or from mains by
supply unit
Battery
replacement
Power ON/OFF
The ON/OFF key switches power to the instrument. Further
it may be programmed to automatically switch off by itself,
when idling for approximately 10 min. Saves the batteries,
if unit inadvertently left on.
Function and characteristics used prior to shut-off are
memorized. Thus, the instrument returns to continue the
last job.
Measurements and memorized MAX/MIN/AVG values
however are cancelled.
The instrument automatically checks for adequate supply
voltage. In the critical phase, readings periodically alternate
between measurements and LP (low power), still being val-
id. It is time, however, to replace the batteries.
When the supply voltage drops to an inadequate level, the
display locks, reading the last measurement, or LP. If the
instrument is switched on under not adequate power, the
display remains blank or may show illegible signs.
ON/OFF
Supply voltage
monitor

11
Manual C118 EN Rev04 04.2017 10
Power Supply
Mostly used, for best flexibility, are batteries (MN1500x4)
or re-chargeable cells (IECR6). They are inserted into the
battery case underneath.
Further, the supply unit U1H008 may be used. Its output
cable will be plugged into the front side metallic jack.
Note:
The supply unit cannot re-charge the cells. To re-charge
those, they must be inserted into the charger unit U1H009.
To remove the battery case cover, pull it to the rear, as
indicated by OPEN. If necessary, use a knife blade.
When inserting the batteries or cells, watch for their correct
polarity, as indicated by symbols at the bottom of the case,
opposite to each other. Then re-insert and close the case
cover.
Part No. of the case cover: BOS800-802-B.
Powered by
batteries, cells,
or from mains by
supply unit
Battery
replacement
Power ON/OFF
The ON/OFF key switches power to the instrument. Further
it may be programmed to automatically switch off by itself,
when idling for approximately 10 min. Saves the batteries,
if unit inadvertently left on.
Function and characteristics used prior to shut-off are
memorized. Thus, the instrument returns to continue the
last job.
Measurements and memorized MAX/MIN/AVG values
however are cancelled.
The instrument automatically checks for adequate supply
voltage. In the critical phase, readings periodically alternate
between measurements and LP (low power), still being val-
id. It is time, however, to replace the batteries.
When the supply voltage drops to an inadequate level, the
display locks, reading the last measurement, or LP. If the
instrument is switched on under not adequate power, the
display remains blank or may show illegible signs.
ON/OFF
Supply voltage
monitor
Manual C118 EN Rev04 04.2017 11
Input Signal Conditioning
In its normal mode, the input of the C118 automatically
adapts to the characteristics and size of the input signal. It
adjusts the signal gain, and eliminates erratic pulses, as fre-
quently generated in photoelectric sensing by scratches and
stains on the target surface.
Though very helpful to an uncritical use of the photo-
reflection sensors, it might be detrimental to a signal having
a natural modulation of its amplitude, such as from active
magnetic sensors scanning a gear wheel, or similar. With
such applications, the automatic mode can be shut off:
Whilst the AVG key is kept depressed, actuate the
FIX/VAR key for approximately 1 sec. On the display, a
sign AUT OFF will show up, indicating that the previously
explained automatic now is disabled.
Follow the same procedure, to return to the normal mode,
and the AUT OFF sign will disappear.
The previous mode will be maintained when switching
power OFF/ON from the instrument.
Automatic signal
conditioning =
normal mode
Applications
requiring Auto-
matic Off mode
How to switch to
AUT OFF
Manual adjustment of the maximum sensitivity
(Model Nos. C118.2 and C118.3 only).
The fast automatic signal conditioning might lose its cor-
recting function when the signal frequency drops below ap-
proximately 100 pulses per minute. With low speed appli-
cations (typical: photo reflection scanning of rolls and felts
in paper machines), the automatic signal conditioning can
be supported and improved by a manual preset of the max-
imum sensitivity, as provided with these versions.
They have a turning knob on their front. Turning it counter-
clockwise (view to the front), reduces the sensitivity and
helps to suppress noise signals. In its full clockwise posi-
tion, the instrument performs like standard.
Manual preset of
the maximum
sensitivity in be-
tween signal
pulses
(C118.2.. and
C118.3.. onl
y
)
Input Response Indicator
The LED on top, marked INPUT SIGNAL, indicates the
acceptance of the input signal. Flashing at every input pulse
at low rate, it will appear to light steadily at a higher rate.
Irregular lighting indicates inadequate signal acceptance.
Improve marking, go closer and/or eliminate an interfering
light. At low speed, watch for double or multiple blinking,
signalizing eddy pulses. Increase distance then, or (with
models C118.2 and C118.3) reduce sensitivity.
LED INPUT
SIGNAL:
a guide to steady
input signal
acceptance

12
Manual C118 EN Rev04 04.2017 12
No reliable measurement can be expected unless the input
signal is clearly accepted!
Note:
The input indicator may still be operational with the power
supply no longer adequate.
The
indispensable
pre-condition
to reliable
measurements
MAX/MIN/AVG Function
The C118 detects and memorizes the highest (MAX) and
the lowest (MIN) measurement within a controlled period
of time. From those, it further computes the average (AVG)
of all measurements.
Begin and end of this evaluation period is controlled, under
continued measurement, by the BEGIN/END key. First ac-
tuation start memorizing, next one stops it. Display
FUNC/RUN indicates the function as being active. Once it
has been terminated (power left on), the results can be re-
called to display by the key MAX/MIN/AVG. Power OFF
switching cancels the memorized values.
Note: Do not change the measuring mode or other terms
during the evaluating period.
MAX/MIN/AVG
memorizing
Time Base of Readings
The facility of the C118 converts the originally measured
signal frequency into readings with a corresponding time
base, as indicated at the display. Select desired time base by
the key marked /h /min /sec /SF. The conversion has no in-
fluence to the measuring sequence, nor to the updating se-
quence of the display.
Totalizing
SF evokes a totalizing function within the instrument. It is
started and stopped by the BEGIN/END key, as described
above. Starting simultaneously cancels the previous result.
In FIX mode, the display reads the incoming signal pulses,
reduced by the input pre-divider as programmed by P09.
In VAR mode, they are further scaled by the computing
factor, as programmed in steps No. 02 … 04. The pro-
grammed mode, multiplying or dividing, and the factor, re-
sult in correspondingly enlarged or reduced reading steps
per input pulse. If the corresponding reading step thus re-
sults in a fraction, a decimal point in display can be set by
program step P10.
The totalizer capacity is up to 99999. Overflow will cause
errors.
The analog output cannot be used in this SF mode.
Time base of
speed readings
/h
/min
/sec
SF = totalizing
function

13
Manual C118 EN Rev04 04.2017 12
No reliable measurement can be expected unless the input
signal is clearly accepted!
Note:
The input indicator may still be operational with the power
supply no longer adequate.
The
indispensable
pre-condition
to reliable
measurements
MAX/MIN/AVG Function
The C118 detects and memorizes the highest (MAX) and
the lowest (MIN) measurement within a controlled period
of time. From those, it further computes the average (AVG)
of all measurements.
Begin and end of this evaluation period is controlled, under
continued measurement, by the BEGIN/END key. First ac-
tuation start memorizing, next one stops it. Display
FUNC/RUN indicates the function as being active. Once it
has been terminated (power left on), the results can be re-
called to display by the key MAX/MIN/AVG. Power OFF
switching cancels the memorized values.
Note: Do not change the measuring mode or other terms
during the evaluating period.
MAX/MIN/AVG
memorizing
Time Base of Readings
The facility of the C118 converts the originally measured
signal frequency into readings with a corresponding time
base, as indicated at the display. Select desired time base by
the key marked /h /min /sec /SF. The conversion has no in-
fluence to the measuring sequence, nor to the updating se-
quence of the display.
Totalizing
SF evokes a totalizing function within the instrument. It is
started and stopped by the BEGIN/END key, as described
above. Starting simultaneously cancels the previous result.
In FIX mode, the display reads the incoming signal pulses,
reduced by the input pre-divider as programmed by P09.
In VAR mode, they are further scaled by the computing
factor, as programmed in steps No. 02 … 04. The pro-
grammed mode, multiplying or dividing, and the factor, re-
sult in correspondingly enlarged or reduced reading steps
per input pulse. If the corresponding reading step thus re-
sults in a fraction, a decimal point in display can be set by
program step P10.
The totalizer capacity is up to 99999. Overflow will cause
errors.
The analog output cannot be used in this SF mode.
Time base of
speed readings
/h
/min
/sec
SF = totalizing
function
Manual C118 EN Rev04 04.2017 13
Operating Modes FIX and VAR
This is one of the facilities making the C118 that much
useful. Select between both modes by actuating the
FIX/VAR key. VAR mode is indicated by a sign in the
display. Programmed parameters will not be deleted when
switching to FIX.
FIX = straight
tachometer
VAR = using the
computing
facilities
FIX mode
Measuring the rotational speed, with these firm characteris-
tics:
Calibrated to 1 pulse per revolution. Minimum measuring
time = 1 sec. Low end = 30 pulses / min.
Readings in terms of /sec, or /min (RPM), or /hour, as se-
lected by this key.
FIX mode uses a floating decimal point:
Starting with one decimal at low speed. With measurements
above 10000.0, the last digit is kept on zero, to avoid flick-
ering readings. The decimal point is cancelled when the
measurement exceeds 99999.0.
Note: The thus achieved decimal selection will be main-
tained with decreasing measurements. Return to the initial
decimals sequence by switching the instrument off/on.
Totalizing (SF) may be used, counting the input pulses, not
scaled, but reduced by the preset input pre-divider.
Further effective the MAX/MIN/AVG memory. Also the
analog output, using the characteristics, as programmed.
FIX
characteristics
VAR mode
This mode activates all the capabilities included into the
MOVIPORT C118, by programmable parameters, as de-
scribed in the subsequent chapters.
Programming can be done at any time, and in any mode.
The thus defined functions become effective in the VAR
mode only.
Note:
This feature assigns two readings to one measurement, se-
lected just by switching between FIX and VAR. For in-
stance, the rotational speed by FIX, and the circumferential
speed by VAR as computed from its circumference. Or, the
measured input speed of a gear in FIX, and the output speed
in VAR, as computed from its turn down ratio.
VAR
mode facilities
Programming
procedure and
parameters list
on page 14
Two readings
utilizing one
measurement

14
Manual C118 EN Rev04 04.2017 14
Programming the C118
List of Program Steps (effective only in VAR mode)
Step Function handled Page
00 minimum measuring time, determines sequence (by steps) 15
01 maximum measuring time, determines low speed (by steps) 15
02 Computing factor: multiplying mode = parameter 0
dividing mode = parameter 1
16
03 Computing factor: number of factor decimals 16
04 Computing factor: numerical value of factor 16
05 Speed display readings position of decimal point 16
06 Analog output reading assigned to high end 17
07 Analog output reading assigned to low end 18
08 Automatic power off parameter 0 = no, 1 = after 10 min 18
09 Input frequency divider factor (001…255) 18
10 Totalizing function position of decimal point at SF 19
Programming Procedure
Note: Programming can be done in both modes FIX and VAR.
Programmed characteristics however get valid in VAR mode only.
In FIX mode, all functions are as listed on page 5.
Press key PROG to enter the programming phase. Step 00 appears blinking. To
enter a higher or lower step, use keys , or. .The thus addressed program No.
blinks.
When in the desired step (see list of steps above or at bottom of the instrument),
use key to enter the parameter. Numerical parameters are set digit by digit,
starting at the right end digit. The one addressed blinks. Select higher or lower
values by the keys , or . Move to the next digit to the left by key , and set
this accordingly. With parameters to be set step by step, or as decimal point po-
sition, use to move it. When the parameter is properly set, touch key PROG to
acknowledge, and move to next program step. Set it, following the same proce-
dure. Before leaving a step, acknowledge by PROG.
To leave the programming phase touch key PROG again.
Note: all parameters are kept safe, when the unit is switched off.

15
Manual C118 EN Rev04 04.2017 14
Programming the C118
List of Program Steps (effective only in VAR mode)
Step Function handled Page
00 minimum measuring time, determines sequence (by steps) 15
01 maximum measuring time, determines low speed (by steps) 15
02 Computing factor: multiplying mode = parameter 0
dividing mode = parameter 1
16
03 Computing factor: number of factor decimals 16
04 Computing factor: numerical value of factor 16
05 Speed display readings position of decimal point 16
06 Analog output reading assigned to high end 17
07 Analog output reading assigned to low end 18
08 Automatic power off parameter 0 = no, 1 = after 10 min 18
09 Input frequency divider factor (001…255) 18
10 Totalizing function position of decimal point at SF 19
Programming Procedure
Note: Programming can be done in both modes FIX and VAR.
Programmed characteristics however get valid in VAR mode only.
In FIX mode, all functions are as listed on page 5.
Press key PROG to enter the programming phase. Step 00 appears blinking. To
enter a higher or lower step, use keys , or. .The thus addressed program No.
blinks.
When in the desired step (see list of steps above or at bottom of the instrument),
use key to enter the parameter. Numerical parameters are set digit by digit,
starting at the right end digit. The one addressed blinks. Select higher or lower
values by the keys , or . Move to the next digit to the left by key , and set
this accordingly. With parameters to be set step by step, or as decimal point po-
sition, use to move it. When the parameter is properly set, touch key PROG to
acknowledge, and move to next program step. Set it, following the same proce-
dure. Before leaving a step, acknowledge by PROG.
To leave the programming phase touch key PROG again.
Note: all parameters are kept safe, when the unit is switched off.
Manual C118 EN Rev04 04.2017 15
Programmable Characteristics – Parameter Functions
(effective only in VAR mode)
Minimum Measuring Time Allowance
All rate measurements are based on a time interval meas-
urement over a (automatically varying) number of input
signal pulses. A programmable minimum measuring period
thus will be maintained, automatically including more and
more pulses into every measurement with increasing input
frequency. This establishes an averaging over the pro-
grammed period of time, which helps to stabilize the meas-
urements, specifically with fluctuating variables. A measur-
ing time of 0.5 sec or 1 sec has proven adequate for most
applications. A shorter period should only be selected to
trace a fast variation (by the analog signal output). Heavily
fluctuating input sequences however may require a longer
measuring period.
The parameter of P00 defines the minimum measuring pe-
riod of time, offering this selection:
0.03 – 0.06 – 0.12 – 0.25 – 0.5 – 1 – 2 – 4 –8 sec.
Select directly by keys , or .
Step No. 00
minimum
measuring time
allowance,
determines
tracking sequence
but also steadiness
of readings
Maximum time allowance for one measurement
This program step sets a limit to the maximum time, al-
lowed for one measuring period. With decreasing signal
frequency, the pulse distance, and thereby the measuring
sequence, becomes longer and longer. When this time ex-
ceeds the limit set in this step, measurement is interrupted,
and the instrument reads zero speed. This defines the low
end of function.
Note: if the input signal cancels abruptly, the instrument
does not wait for the programmed maximum time, but re-
duces its readings (and the analog output) with a specific
sequence, which is based on the last performed measure-
ment.
The program offers these selections for the maximum time,
using the keys , or .
0.06 – 0.12 – 0.25 – 0.5 – 1 – 2 - 4 – 8 -.-- . This last selec-
tion allows an extremely slow sequence of 1200 sec. But
the step down sequence, as explained above, will be rather
slow then.
The shortest time allowance always is 2 times the minimum
sequence. In practice, 4 sec is frequently used.
Step No. 01
longest time al-
lowed for one
measurement,
determines the
low end of fre-
quency range

16
Manual C118 EN Rev04 04.2017 16
Computing (scaling) factor
One of the most fascinating facilities of the C118. It con-
verts the measured signal frequency into readings in any
required engineer unit, introducing a conversion factor, in a
multiplying or dividing way.
The multiplying mode increases the measured value (speed)
by the computing factor. A typical application is to convert
a RPM measurement into readings of the circumferential
speed of a roll: simply set the roll circumference as the
multiplying factor. It can be in meter terms, or by ft to read
m/min or ft/min, and with programmable decimals.
Set parameter of step 02 to “0” to achieve the multiply-
ing mode.
The dividing mode, for instance, may be used to get the
output speed of a gear, with the input speed being meas-
ured, and the gear step-down ratio is set as dividing factor.
Another example is to read flowrate, from a flowmeter out-
put frequency as the measured quantity. Set the flowmeter
calibration factor (pulses per gallon, for instance) as the di-
viding factor.
Set parameter of step 02 to “1” to achieve the dividing
mode.
Determining the
relation between
measurement
and reading
Step No. 02
Mode of
computing factor:
0 = multiplying
1 = dividing
Decimal point position of the computing factor
The display shows the digits by - - - - - - and a decimal
point. Move the decimal point shown to the desired posi-
tion with key . Decimal point at the extreme right means
“no decimals”.
Step No. 03
decimal point
position in factor
Computing factor numerically
Set the desired numerical value of the computing factor,
with decimals as prepared in step No. 03.
Step No. 04
computing factor
numerically
Decimals in Speed Display
In VAR mode the decimal point can be set to any desired
position, which will then be maintained for all measure-
ments in VAR mode (except of the totalizing function SF).
It also stays so, when switched to another time reference.
Use the same procedure, as explained for step No. 03.
Notes:
If the actual speed thus exceeds the maximum of 6 digits,
the reading will be blocked at 999990, with the decimal
point held as programmed.
With readings exceeding 100000, with the decimal point
wherever, the last digit is kept on zero.
Step No. 05
decimals in speed
display

17
Manual C118 EN Rev04 04.2017 16
Computing (scaling) factor
One of the most fascinating facilities of the C118. It con-
verts the measured signal frequency into readings in any
required engineer unit, introducing a conversion factor, in a
multiplying or dividing way.
The multiplying mode increases the measured value (speed)
by the computing factor. A typical application is to convert
a RPM measurement into readings of the circumferential
speed of a roll: simply set the roll circumference as the
multiplying factor. It can be in meter terms, or by ft to read
m/min or ft/min, and with programmable decimals.
Set parameter of step 02 to “0” to achieve the multiply-
ing mode.
The dividing mode, for instance, may be used to get the
output speed of a gear, with the input speed being meas-
ured, and the gear step-down ratio is set as dividing factor.
Another example is to read flowrate, from a flowmeter out-
put frequency as the measured quantity. Set the flowmeter
calibration factor (pulses per gallon, for instance) as the di-
viding factor.
Set parameter of step 02 to “1” to achieve the dividing
mode.
Determining the
relation between
measurement
and reading
Step No. 02
Mode of
computing factor:
0 = multiplying
1 = dividing
Decimal point position of the computing factor
The display shows the digits by - - - - - - and a decimal
point. Move the decimal point shown to the desired posi-
tion with key . Decimal point at the extreme right means
“no decimals”.
Step No. 03
decimal point
position in factor
Computing factor numerically
Set the desired numerical value of the computing factor,
with decimals as prepared in step No. 03.
Step No. 04
computing factor
numerically
Decimals in Speed Display
In VAR mode the decimal point can be set to any desired
position, which will then be maintained for all measure-
ments in VAR mode (except of the totalizing function SF).
It also stays so, when switched to another time reference.
Use the same procedure, as explained for step No. 03.
Notes:
If the actual speed thus exceeds the maximum of 6 digits,
the reading will be blocked at 999990, with the decimal
point held as programmed.
With readings exceeding 100000, with the decimal point
wherever, the last digit is kept on zero.
Step No. 05
decimals in speed
display
Manual C118 EN Rev04 04.2017 17
Notes:
Do not select more decimals than necessary! If the high
resolution thus achieved exceeds the stability of the varia-
ble, and the repeatability of the input signal, the last digits
in display and analog output necessarily will fluctuate, and
be useless.
For the totalizing function (SF) the decimal point is set in a
separate step No.10.
Analog Output
The analog output repeats the displayed values, in all
modes /sec, /min, or /h. It is not operational in the totalizing
mode SF.
High end and low end of the conversion span are separately
defined, by program steps No. 06 and 07.
The definitions refer to the numerical values only. If those
vary, because of a change in the time reference /s, /min, /h,
the output changes likewise. Consider this, when setting the
span ends.
A change in the decimal point however, will not affect the
span ends, the output sticks to the numerical value.
Analog Output
High End (4 volts) Assignment of the Analog Output
The parameter defines the displayed value assigned to the
high end 4 volts of the output, however it may be achieved,
disregarding the /s, /min, /h reference in action. But it con-
siders the decimal point in reading, to maintain the output.
For example, if 4 volts have been assigned to 250.00, it will
be 4 volts also at 250.0 or 250.
If the measurement exceeds the high end, the output limits
to approximately 4.06 volts.
Step No. 06
value assigned to
the high end
(4 volts)
Low End (0 volts) Assignment of the Analog Output
The parameter defines the display reading, which is as-
signed to 0 volt output, as a numerical value, disregarding
the /s, /min, /h, as explained for the high end.
Commonly, 000000 is selected as the assigned value, to
have the full range of the variable on the output. Setting a
higher value however, enhances the resolution within the
thus narrowed span – a very practical means to track small
variations of the variable. Do not set the low end to more
than 90 % of the selected high end (= 10 times enlarge-
ment).
Step No. 07
value assigned to
the zero end
(0 volts)

18
Manual C118 EN Rev04 04.2017 18
Automatic Power Shut-Off
To save battery capacity, the C118 can be automatically
shut off, when idling for 10 min.
Step 08 enables this function by its parameter:
0 = function disabled
1 = function enabled
Step No. 08
Automatic Switch
Power Off
Input Frequency Pre-Divider
This facility is very helpful whenever several pulses per
revolution (or other period) with unequal distance must be
evaluated. For instance, screw heads on the rotating object
placed at unequal angular positions. Piston and oval gear
flowmeters may show unequal pulse spacing over one revo-
lution, too.
Setting the parameter of this step to the number of pulses
included into one revolution, the function will divide the
incoming pulse rate accordingly. This returns the pulse se-
quence to one pulse per revolution, what obviously ensures
the most accurate repetition, as the best basis for stable
measurements. Setting range 001 …255. Any higher num-
ber will be rejected.
For pulse to pulse measurements (to trace variations in the
angular speed), or at very low speed (to avoid an early shut-
off by the maximum measuring time), leave the parameter
at 001.
Note:
All adjustments refer to the divided input frequency.
The pulse output repeats the divided input frequency.
Step No. 09
Input frequency
Divider
Decimals in Totalizing Mode SF
If the count step width in totalizing is a fraction of the re-
quested quantity unit, as given by the application and/or the
computing factor, a decimal point can be set into the dis-
play. Follow the procedure as described for Step No. 05.
Step No. 10
Decimals in
Total Readings
Manual C118 EN Rev04 04.2017 19
Parameters set on delivery (default values)
Step No. Function Value
00 Minimum Time Allowance 0.50 s
01 Maximum Time Allowance 8.00 s
02 Computing Factor Mode 0 (multiplying)
03 decimals ------. (none)
04 numerical 000001
05 Display decimals ------. (none)
06 Analog Output high end 010000
07 low end 000000
08 Automatic Power off 1 (active)
09 Input Pre-Divider 001
10 Decimals in SF Display ------. (none)