ASM prodis INC User manual

Installation and operation manual EN
prodis®INC
Digital Process Meter for incremental position
and angle sensors
Please read carefully before installation and operation!

© ASM Automation Sensorik Messtechnik GmbH, 2019
All rights reserved.
Am Bleichbach 18 - 24
85452 Moosinning
Germany

prodis®
Digital Process Meter PD-INC
Version 2.1.0
www.asm-sensor.com
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1Safety instructions ........................................................................................................4
1.1 Signal words and symbols .............................................................................................................4
1.2 Intended use...................................................................................................................................5
2Transport and storage...................................................................................................5
3Installation and initial operation...................................................................................6
3.1 Mechanical installation...................................................................................................................6
3.2 Electrical connection ......................................................................................................................7
3.3 Startup..........................................................................................................................................15
4Operation......................................................................................................................16
5Maintenance and disposal..........................................................................................21
5.1 Maintenance and service .............................................................................................................21
5.2 Disposal........................................................................................................................................21

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Digital Process Meter PD-INC
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Version 2.1.0
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1 Safety instructions
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1.1 Signal words and symbols
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WARNING, Risk of Injury:
Indicates a potentially hazardous situation, which, if not avoided, can result in serious
injury or property damage.
WARNING, Risk of Personal Injury or Death:
Indicates a situation that can result in serious personal injury or death if not properly
avoided.
WARNING, Risk of Personal Injury or Death:
Indicates a situation that can result in moderate personal injury or death if not properly
avoided.
WARNING, Risk of Personal Injury:
Indicates a situation that can result in minor personal injury if not properly avoided.
WARNING, Risk of Property Damage:
Indicates a situation that can result in minor to major property damage if not properly
avoided.
Product liability
•Disregarding the following instructions may result in malfunction, damage to property and personal injury
and releases the manufacturer from product liability.
Safety regulations
•National safety regulations must be observed!
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prodis®
Digital Process Meter PD-INC
Version 2.1.0
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1.2 Intended use
The Process Meters of the prodis®series are optimized for the sensor signals of the ASM sensors. Data can
be transferred to the PC via the RS-232 interface. The optionally available relay outputs enable the
monitoring of limit values and the control of machine processes. Use the unit as intended by operating within
its specified technical data and ambient conditions.
The installation and operating instructions supplied with the unit must be observed. The data sheet of the
respective Process Meter is part of this instruction manual. If not yet available, it may be requested by stating
the respective model name.
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2 Transport and storage
Observe storage and transport temperatures according to the operating temperature (see data sheet).
Max. rel. humidity 80%, condensation must be excluded.
The device must be secured against slipping and tipping during transport.
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Shipment damages
Check the device immediately for shipment damages. In case of any damage or equipment not operating
appropriately, please contact the producer.
Shipment content
•Process meter
•Operation instructions
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Digital Process Meter PD-INC
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Version 2.1.0
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3 Installation and initial operation
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3.1 Mechanical installation
Cutout according to DIN 43700
Maximum material thickness: 5 mm [.197]
1. Push the device into the front panel cutout
as far as it will go.
2. Hook the mounting clamp to the rear
notch.
3. Push down the end of the mounting clamp
until the front notch is locked.

prodis®
Digital Process Meter PD-INC
Version 2.1.0
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4. Turn the set screw with a blade
screwdriver to the stop on the front plate.
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3.2 Electrical connection
Damage to or destruction of the process meter due to excessive operating voltage
or mounting errors
•The meter must be operated only within values specified in the data sheet.
•Connection to power supply must be performed in accordance with safety
instructions for electrical facilities and performed only by trained staff.
•It has to be guaranteed that the excitation voltage agrees with the indicated value on
the type label.
•Do not open the process meter.
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Description and specifications
prodis®-INC is designed for use with incremental position sensors to display angles and displacements. The
fast counter processes 90° phase shifted A, B signals (quadrature signals) for direction and counting
information. Sensor excitation is supplied from the meter. With four membrane keys all parameters can be
programmed for the special application. A zero signal and a reference signal can be used for calibration of
the measurement system. Optional comparator functions with 4 NPN open-collector outputs are available,
additional 2 of them have relay output.

prodis®
Digital Process Meter PD-INC
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Version 2.1.0
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Specifications
Display
6-digit, 7-segment LED, height 14 mm,
decimal point programmable
Counting frequency
250 kHz max., 1 MHz edge frequency
Excitation voltage/current
24 V DC ±10%/150 mA, residual ripple 1%ss;
85-250 V AC, 50-60 Hz/180 mA max.
Sensor excitation
24 V DC/300 mA or 5V DC/500 mA
Inputs
A, B, Z, T (reference signal)
Comparator outputs (option)
Relais: 250 V AC/5 A, 30 V DC/5 A
NPN: 24 V max./50 mA to GND
Connection
Terminal strip 12 pole, excitation 3 pole
Temperature coefficient
±20 x 10-6 /°C
Operating temperature
-10...+40°C
Storage temperature
-20...+85°C
Weight
24 V DC: approx. 250 g; 230 V AC: approx. 400 g
Protection class
Front IP60, rear IP40
Humidity
Max. 80% R.H., non condensing
Safety of equipment
Directive 2014/35/EU: EN 61010-1:2010
EMC
Directive 2014/30/EU: EN 61326-1:2013
Programmable parameters / value range
Value range display, offset, limit values
-999999 to +999999
Divisor, Multiplier
0 to 999999
Other programmable parameters
Counting direction, decimal point position, last-value memory,
Z signal evaluation, display brightness
Signal T
Manual zero, key lock, display value hold, Z release, relative
measurement activation
Interface RS-232
Level
RS-232: ±8 V, galvanically isolated
Data format
1 start bit, 8 data bits, 1 stop bit, no parity
Transmission rate
4800 / 9600 / ... / 115200 Baud
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prodis®
Digital Process Meter PD-INC
Version 2.1.0
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Description
The process meter prodis®-INC is designed for use with incremental -position sensors to display angles and
displacements. The fast counter processes 90° phase shifted A,B signals (quadrature signals) for direction
and counting information. When using ASM sensors resolutions up to 5 µm resp. 2 angular minutes are
possible. The sensor excitation voltage is supplied from the meter.
With four membrane keys all parameters can be programmed for the -special application. An index pulse
and a reference switch can be used for calibration of the measurement system. Optional comparator function
with two relays and four NPN open-collector outputs are available. With the RS-232 interface data can be
transmitted easily to a PC, printer or PLC.
Quadrature signal A
Quadrature signal B
Zero or Index signal Z
Reference signal T
(multiple function)
The reset of the display takes place for the condition (A & B & Z) resp. (A & B & Z & T).
The Zero signal is a pulse signal unique within the measurement range and explicit to the phase of the
quadrature signal to reset the prodis®-INC meter.
The Index signal is a multiple periodical pulse signal within the measurement range and explicit to the
phase of the quadrature signal, e.g. the zero signal of an incremental encoder that appears at every single
turn.
The Reference signal is a pulse signal unique within the measurement range to enable the reset of the
prodis®-INC meter, e.g. mechanical -reference contact for end position recognition.
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prodis®
Digital Process Meter PD-INC
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Version 2.1.0
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Wiring basic unit without comparator output
Signals
Connector X1
Pin no.
Connector X2
Pin no.
Sensor excitation +UB
1
Sensor excitation 0 V (GND)
2
Signal A
4
Signal A

5
Signal B
6
Signal B

7
Signal Z(zero signal)
8
Signal Z
(zero signal)
9
Signal T(reference signal)
10
Signal T
(reference signal)
11
GND
12
PD-INC-24VDC
Excitation +24 V
Excitation 0 V (GND)
13
14
PD-INC-230VAC
Excitation
Protective ground
13, 15
14
Signals
D-Sub pin no.
TxD
2
RxD
3
GND
5
Rear view without comparator output
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prodis®
Digital Process Meter PD-INC
Version 2.1.0
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Wiring basic unit with comparator output
Signals
Connector X1
Pin no.
Connector X2
Pin no.
Sensor excitation +UB
1
Sensor excitation 0 V (GND)
2
Signal A
4
Signal A

5
Signal B
6
Signal B

7
Signal Z(zero signal)
8
Signal Z
(zero signal)
9
Signal T(reference signal)
10
Signal T
(reference signal)
11
GND
12
PD-ADC-24VDC
Excitation +24 V
Excitation 0 V (GND)
13
14
PD-ADC-230VAC
Excitation +24 V
Protective ground
13, 15
14
Signals
Connector X3
Pin no.
TxD
17
RxD
16
GND
18
Rear view with comparator output (option „REL2“)

prodis®
Digital Process Meter PD-INC
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Version 2.1.0
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Comparator function (option)
Comparator
Comparator output
NPN collector
Connector X3
Pin no.
Relay
Connector X4
Pin no.
LED
Comparator 1
NPN1
20
Relay 1
NO
NC
Common
25
27
26
LED1
Comparator 2
NPN2
21
Relay 2
NO
NC
Common
28
30
29
LED2
Comparator 3
NPN3
22
Comparator 4
NPN4
23
NPN GND
NPN U8 (+24V)
24
19
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Desktop version (option „DT”)
Wiring of connector X1 see table “Wiring basic unit”.
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prodis®
Digital Process Meter PD-INC
Version 2.1.0
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Comparator outputs (diagram)
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Digital Process Meter PD-INC
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Version 2.1.0
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RS-232 Interface
Transmission of a position value
Send to prodis®: “r”
Response of prodis®: CR, sign, n5, n4, n3, n2, n1, n0
with ni: ASCII characters, leading digits
filled with “0”
Sign: positive sign = Space “ “
Tare function On/Off
Send to prodis® : “n”
prodis® function: Tare function on/off
Data format
1 start bit, 8 data bits, 1 stop bit, no parity
Baud rate: programmable
Net transmission rate
Max. 50/s approx.
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prodis®
Digital Process Meter PD-INC
Version 2.1.0
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Examples of signal wiring
Wiring single ended
POSIMAG HTL
or
WS-X-PP530
WS-X-PP24V
Wiring differential
POSIMAG
TTL/HTL
Sensor with
Line driver 5V
differential or
RS485, reference
switch
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3.3 Startup
When the meter is switched on a short self-test sequence will start with all LED segments on and then the
version of the process meter will be displayed. After that procedure prodis®-INC is in the normal mode.
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Digital Process Meter PD-INC
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Version 2.1.0
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4 Operation
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Operation keys and display
LED2
Sign
LED1
Key to control the programming menus
Multifunction key to reset the display and to store the parameters in a
non-volatile memory
Multifunction key for parameter settings
Multifunction key for parameter settings
+
means: hold the key
and press
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Explanation and operation of the functions
Parameter settings
The parameter settings are effected in a programming menu.
Key /
key combination
Function
+
Activate programming mode
,
Change the parameter by decimal steps
+
Reset activated parameter
+
Change the sign of signed parameters
Store in non-volatile memory
Proceed and return to normal mode
New settings become effective immediately
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Digital Process Meter PD-INC
Version 2.1.0
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Operation of the functions ‒chart
Submenus
Parameter
Display
Value range
Factory setting
+
Decimal point
dp
1 bis 5, OFF
OFF
Z signal active/inactive
rEF
1 / 0
0
Reset button
active/inactive
nu l
1 / 0
1
Automatic relative
measurement reset
CHnu l
1 / 0
1
Multiplier
ZAEHLE
0 ... +999999
000001
Divisor
nEnnEr
0 ... +999999
000001
Counting direction
drEh L/r
left / right
L
T signal
t
oFF/CS/CF/Hn/AF/tl/
brEF/Ctr3/Ctr4
oFF
Last value memory
ISt
1 / 0
0
Display brightness
db
1 ... 15
15
Transmission rate
bA
4.8, 9.6 ... 115.2
9.6
+
Relative measurement
mode
Flashing
decimal point
0
Reset
Offset
oFFSEt
-999999 ... +999999
000000
+
Limit value
rELx
+/- 999.999
+999.999
Hysteresis
Hµ rELx
+/- 999.999
1
Operating direction
rx
oEF, SCH
SCH
Measurement mode
rx
HAU / CHA
HAU
+
Reset to factory
default value
000000 for 2 s
+ power on*
* Disconnect device from excitation, wait 5 seconds, press both arrow keys together and hold.
Connect excitation, the display shows “000000”, then release both arrow keys.
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Digital Process Meter PD-INC
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Version 2.1.0
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Normal mode, displaying the position value
The displayed measurement value will be calculated as
Reading =
Measurement value • Multiplier
+ Offset value
Divisor
Multiplier, divisor, decimal divisor and offset are user definable parameters (for calculation examples see
appendix). When the display range is exceeded, the display shows oFrAnGE. PRODIS®-INC counts every
pulse edge of the quadrature signal (times 4 counting mode).
Relative measurement
In addition to the normal mode display PRODIS®-INC can display a second position value, a relative
measurement mode with an independent zero to be set by the reset key manually. The normal mode
measurement value remains in the background and will be displayed again after returning to the normal
mode.
With the parameter CHnul (-> CHnul=1) the display will be set to zero when relative measurement is
activated.
Offset function
The offset function allows setting and changing of the offset value directly in the normal mode.
Comparator function
(for versions with comparator function only)
Up to four comparator functions can defined by programming of limit -value, hysteresis and operating
direction. Outputs are two isolated relays with C/O contacts and four ground related NPN open-collector
outputs. The operating condition of the comparators will be indicated by LED1 for -relay1, NPN1, NPN3 and
LED2 for relay2, NPN2, NPN4. With the parameter measurement mode (rx) the comparator function will be
assigned to the normal measurement or to relative measurement.
Last-value memory
When the last-value memory function is activated by ISt=1 (see table page xx) the current measurement
value wil be stored into memory when PRODIS®-INC is switched off. In the switched off condition, input
pulses are not recognized. When the display is switched on again, the stored -measurement value will be
displayed.
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prodis®
Digital Process Meter PD-INC
Version 2.1.0
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T signal, functions
oFF: The T signal has no effect.
CS: The T signal activates the relative measurement mode.
CF: No function.
Hn: The T signal resets the display in normal and relative measurement mode.
AF: The T signal holds the current measurement value.
The counting operation will not be interrupted.
tL: The T signal locks the front key access (key lock)
brEF: The T signal activates the signal “Z” reset function
Ctr3: SEND The displayed value will be sent via the RS-232 interface
Ctr4: SEND-CYC The displayed value will be sent periodically every 10 ms via RS-232
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Determination of the scaling parameters
•Determine the resolution of the position sensor ‘dX’ (displacement per counting edge) and calculate
it to the unit to be displayed
•Define the resolution of the meter ‘dA’ (same unit as dx)
•Multiplier’ = dX, Divisor’ = dA
•Insert and transform multiplier and divisor by extension or reduction
•Set decimal point
•With the decimal divisor an additional shift right can be made.
As an alternative to the resolution parameters dX and dA the scaling parameters can be calculated by the
measurement range parameters DX (display value for end of range) and DA (counting pulses for end of
range).
Calculating examples for the scaling
1a. Meter for cable actuated position sensor model WS10 –1000 –25 –PP530
Least significant Digit (LSD) of the display has to be equivalent to 0.1 mm
The resolution with times 4 counting mode is 25 • 4 = 100 pulse edges
Resolution of the position sensor: 100 pulse edges per mm: dX = 0.01 mm
Resolution of the meter: dA = 0.1 mm
Multiplier’ = dX = 0.01
Divisor’ = dA = 0.1
Insert the values and extend / reduce:
Multiplier = 1
Divisor = 10
Set decimal point between the first and the second digit from the right-hand side

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1b. Alternative calculation of example 1a
The display value for end of range has to be 10000
Display value for end of range DX=10000
Counting pulses for end of range
DA=1000 mm • (25 • 4) pulses/mm
Insert the values and extend / reduce:
Multiplier = 1
Divisor = 10
2. Meter for posimag®position sensor PMIS2 –10 –5 –PP530
LSD of the display has to be equivalent to 0.01 in
Resolution of the position sensor: dX = 5 µm = 0.005 mm = 0.005/25.4 in
Resolution of the meter: dA = 0.01 inch
Multiplier’ = dX =
0.005
25.4
Divisor’ = dA = 0.01
Insert the values and extend / reduce:
Multiplier = 5
Divisor = 254
Set decimal point between the second and the third digit from the right-hand side
3. Meter for incremental encoder with 2500 pulses per revolution
LSD of the display has to be equivalent to 0.1 degrees
Resolution of the sensor with times 4 counting mode: dX = 4 • 2500 pulses / revolution corresponding to
360° / 4 • 2500 pulses
Resolution of the meter: dA = 0.1°
Multiplier’ = dX =
360
2500 • 4
Divisor’ = dA = 0,1
Insert the values and extend / reduce:
Multiplier = 9
Divisor = 25
Set decimal point between the first and the second digit from the right-hand side.
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