GHM GREISINGER GIA 20 EB Technical document

E31.0.12.6C-06
GHM GROUP - Greisinger
GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | GERMANY
Tel.: [phone] | [e-mail] | www.ghm-group.de
Mounting and Operating Manual
48x24 Panel Mount Display / Controller
as of version 2.5
GIA 20 EB
with electrically insulated supply

Please read these instructions
carefully before use!
WEEE-Reg.-Nr. DE 93889386

Please consider the safety instructions!

Please keep for future reference!

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aIndex
1. SAFETY ....................................................................................................................................................... 3
1.1. General note............................................................................................................................................ 3
1.2. Intended use............................................................................................................................................ 3
1.3. Skilled personnel..................................................................................................................................... 3
1.4. Imprint and type label............................................................................................................................. 4
1.5. Safety signs and symbols........................................................................................................................ 4
1.6. Reasonably foreseeable misuse............................................................................................................... 5
1.7. Safety guidelines..................................................................................................................................... 5
2. PRODUCT DESCRIPTION....................................................................................................................... 6
2.1. Scope of supply....................................................................................................................................... 6
2.2. Function .................................................................................................................................................. 6
3. MOUNTING IN PANELS / HOUSINGS.................................................................................................. 7
4. DISPLAY AND OPERATING ELEMENTS............................................................................................ 7
4.1. Display elements..................................................................................................................................... 7
4.2. Operating elements ................................................................................................................................. 8
5. ELECTRIC CONNECTION...................................................................................................................... 8
5.1. Terminal assignment:.............................................................................................................................. 8
5.2. Connection data ...................................................................................................................................... 9
5.3. Connecting an Input signal ..................................................................................................................... 9
5.4. Connecting switching outputs............................................................................................................... 13
5.5. Common wiring of several devices....................................................................................................... 14
6. CONFIGURATION OF THE DEVICE.................................................................................................. 15
6.1. Selecting an input signal type ............................................................................................................... 15
6.2. Measuring temperature (Pt100, Pt1000 RTD probes and thermocouple type J, K, N, S or T)............ 16
6.3. Measuring voltage and current (0-50mV, 0-1V, 0-2V, 0-10V, 0-20mA, 4-20mA)............................. 17
6.4. Measuring of frequency (TTL, switching-contact).............................................................................. 18
6.5. Measuring of rotation speed (TTL, switching-contact) ....................................................................... 19
6.6. Up-/Downwards counter (TTL, switching-contact)............................................................................. 20
6.7. Interface mode ...................................................................................................................................... 21
7. CONFIGURATION OF THE OUTPUT FUNCTION .......................................................................... 22
7.1. Output function..................................................................................................................................... 22
7.2. Adjust output......................................................................................................................................... 23
8. OFFSET- AND SLOPE-ADJUSTMENT................................................................................................ 24
8.1. Adjustment............................................................................................................................................ 25
9. SWITCHING POINTS AND ALARM-BOUNDARIES........................................................................ 26
9.1. Menu..................................................................................................................................................... 26
9.2. 2-point-controller, 3-point-controller.................................................................................................... 27
9.3. 2-point-controller with alarm function.................................................................................................. 27
9.4. Minimum/maximum-alarm (individual or common)........................................................................... 28
10. MIN-/MAX-VALUE STORAGE........................................................................................................... 28
11. SERIAL INTERFACE............................................................................................................................ 29
12. ERROR CODES...................................................................................................................................... 29
13. DECOMMISSIONING, RESHIPMENT AND DISPOSAL................................................................ 30
13.1. Decommissioning ............................................................................................................................... 30
13.2. Reshipment and disposal..................................................................................................................... 30
14. SPECIFICATION ................................................................................................................................... 31

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1. Safety
1.1. General note
Read this document carefully and get used to the operation of the device before you use it.
Keep this document within easy reach near the device for consulting in case of doubt.
Mounting, start-up, operating, maintenance and removing from operation must be done by quali-
fied, specially trained staff that have carefully read and understood this manual before starting
any work.
The manufacturer will assume no liability or warranty in case of usage for other purpose than the
intended one, ignoring advices of this manual, operating by unqualified staff as well as unauthor-
ized modifications to the device.
1.2. Intended use
The GIA 20 EB is a universal microcontroller based display unit.
The device has additional outputs and therefore is also applicable for monitoring and controlling
purposes.
The devices are only to be operated in control panels ore suitable electric housings, where the
connection terminal area is sufficiently protected against touch.
They are designed for industrial or commercial use.
Outdoor installation without suitable means of protection is not allowed.
Due to the flexibly configurable universal input and the relay outputs of the GIA 20 EB they are
applicable for many different applications. Both outputs are not galvanically isolated from the power
supply.
Prior to fulfil the referring requirements, the device has to be configured on the base of this manual.
Wrong configuration may lead to malfunction in the application. The commissioning expert / the
operator is liable for a suitable configuration.
The counting function is not to be used for e.g. consumption metering in the sense of the measur-
ing instruments directive 2014/32/EU.
The safety guidelines of the manual are followed!
The unit does not contain any components that you can service or repair yourself.
All the described operations are only to be performed of skilled personnel that are authorized by
the operator.
Any other use or use exceeding this is considered as non-conforming and leads to the expiration of
any liability or guarantee claims from the manufacturer.
Note: Combination / connection to other electrical equipment with CE marking does not automati-
cally deliver a conform system. A new evaluation of the system’s conformity to the low voltage di-
rective (2014/35/EU) and EMC directive (2014/30/EU) by the manufacturer may be necessary,
eventually others have to be considered (e.g. machinery directive).
1.3. Skilled personnel
The mounting, electrical installation, start of operation, maintenance and decommissioning must
only performed by a skilled electrician.
Users of the readily installed device have to be sufficiently skilled in the operation of the device and
able to avoid risks. The operator of the arrangement is responsible for sufficient qualification the
operators.

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1.4. Imprint and type label
Imprint
CE mark: see below
Disposal: refer Chapter 13.2
Electric connections, refer chapter 5.1
Type label (example)
Type
Please refer to manual: see below
Serial number
Manufacturer address
Symbol explanation
Please refer to manual:
Read the mounting- and operating manual carefully, before you connect and
use the device.
CE mark:
With the CE-Sign declares the manufacturer, that the Product is conform with
the prevailing requirements of EG.
1.5. Safety signs and symbols
Warnings are labelled in this document with the followings signs:
Caution!
This symbol warns of imminent danger, death, serious injuries and significant
damage to property at non-observance.
Attention!
This symbol warns of possible dangers or dangerous situations which can pro-
voke damage to the device or environment at non-observance.
Note!
This symbol point out processes which can indirectly influence operation, pos-
sibly cause incorrect measurement or provoke unforeseen reactions at non-
observance.

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1.6. Reasonably foreseeable misuse
1.
This device must not be used at potentially explosive areas!
Do not use these products as safety or emergency stop devices or in any other
application where failure of the product could result in personal injury or material
damage. Failure to comply with these instructions could result in death or serious
injury and material damage.
2.
This device must not be used at a patient for diagnostic or other medical
purpose.
3.
The device is not intended for direct connection to 230V AC power supply.
1.7. Safety guidelines
1.
Faultless operation and reliability in operation of the measuring device can only be assured if
the device is used within the climatic conditions specified in the chapter “Specifications“.
2.
Always disconnect the device from its supply before opening it. Take care that nobody can
touch any of the unit‘s contacts after installing the device.
3.
Standard regulations for operation and safety for electrical, light and heavy current equipment
have to be observed, with particular attention paid to the national safety regulations
(e.g. VDE 0100).
4.
When connecting the device to other devices (e.g. the PC) the interconnection has to be de-
signed most thoroughly, as internal connections in third-party devices (e.g. connection of
ground with protective earth) may lead to undesired voltage potentials.
5.
The device must be switched off and must be marked against using again, in
case of obvious malfunctions of the device which are e.g.:
- Visible damage.
- Device does not work like prescribed.
- Storing the device under inappropriate conditions for longer time.
When not sure, the device should be sent to the manufacturer for repairing or
servicing.
6.
Modifications or repairs of the device may not be performed by the customer. For maintenance
or repair the device must be sent to the manufacturer.
7.
If the device is operated at an ambient temperature > 40 °C the connections may
heat up above 60 °C.
Please keep this in mind when electing suitable connection cables.

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2. Product description
2.1. Scope of supply
monitoring- / controlling device
1 mounting bracket
screw-in/plug-in clamps
mounting and operating manual
2.2. Function
The GIA 20 EB is a universally applicable microprocessor controlled displaying, monitoring and
controlling device.
The power supply-connection is electrically insulated towards the device’s other
connections.
Universal input
The device supports one universal interface for the connection of:
Standard transmitter signals
(0-20 mA, 4-20 mA, 0-50 mV, 0-1 V, 0-2 V and 0-10 V),
- RTD (for Pt100 and Pt1000),
- Thermocouple probes (type K, J, N, T and S),
- Frequency (TTL and switching contact).
As well as flow rate and rotation measuring, counting, etc. ...
Switching output and alarm
The GIA 20EB features two outputs, which can be configured as
2-point-controller, 3-point-controller, 2-point-controller with min./max. alarm, common or individual
min./max. alarm.
The state of the outputs is displayed with the LED’s below the front 4-digit LED-display
The left LED displays the state of the 1st output, the right LED displays the state of the 2nd output.
Interface
Furthermore both devices supports one EASYBus-interface for communicating with a host com-
puter that makes the device to a full functions EASYBus-module.
When leaving our factory the GIA 20 EB has been subjected to various inspection tests and is
completely calibrated.
Before the GIA 20 EB can be used, it has to be configured for the customer’s applica-
tion!
Important: At the configuration of the device you have to adjust the input signal (see chapter 6)
first and then the output function (see chapter 7) or the offset-/slope- adjustment (see chapter 8)
In order to avoid undefined input states and unwanted or wrong switching pro-
cesses, we suggest to connect the device’s switching outputs after You have
configured the device properly.
By calling a configuration menu the measurement and regulation of the device
will be deactivated.
By leaving the menu the device will be reinitialised and the measur-
ing/regulation will be started again. At the input function “counter” the counter
state will be reset by leaving the menu.

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3. Mounting in panels / housings
Panel cut-out:
Mounting:
4. Display and operating elements
Front:
Front without pane
button 1 button 2 button 3
4.1. Display elements
Main display:
Display element to show minimum / maximum and measuring value.
It also displays errors and parameters.
LED 1:
Indicates the state of output 1
LED 2:
Indicates the state of output 2

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4.2. Operating elements
Disassemble front plate:
Button 1:
> 2 sec : activates menu "Switching points and alarm boundaries".
Menu: step to next parameter
after the last Parameter press again to save.
Button 2:
display max. value
> 2 sec : activates menu "Configuration ".
Button 2 + 3, >2s: reset min-/max. value
Menu: press short = increase value.
press long = roll-function with overflow-function *)
Button 3:
display min. value
>2s: activates menu „Offset- and slope adjustment“
Button 3 + 2, >2s: reset min-/max. value
Menu: press short = decrease value.
press long = roll-function with overflow-function *)
*) The buttons 2 and 3 are featured with a ‘roll-function‘. When pressing the button once the value
will be raised (button 2) by one or lowered (button 3) by one. When holding the button pressed
for longer than 1 sec. the value starts counting up or down, the counting speed will be raised af-
ter a short period of time. The device also features a ‘overflow-function‘, when reaching the up-
per limit of the range, the device switches to the lower limit, vice versa.
5. Electric connection
Wiring and commissioning of the device must be carried out by skilled personnel only.
Use the device only for panel mounting or with suitable electrically housings.
The electrical connections must be protected against direct contact.
In case of wrong wiring the device may be destroyed. We cannot assume any
warranty in case of wrong wiring of the device.
5.1. Terminal assignment:
11
EASYBus-Interface
10
EASYBus- Interface
9
Input: 0-1V, 0-2V, mA, frequency, Pt100, Pt1000
8
Input: 0-50mV, thermocouples, Pt100
7
Input: GND, Pt100, Pt1000
6
Input: 0-10V
5
Switching output: GND
4
Supply voltage: +Us
3
Supply voltage: -Us
2
Switching output: 2
1
Switching output: 1
Hint:
The contacts 5 and 7 are connected internally –there is no connection to contact 3
1110 98765321
4
11
10
9
8
7
6
5
4
3
2
EASYBUS
1V, mA, Freq., Pt100(0)
mV, TC, Pt100
GND, Pt100(0)
10V
GND
Supply +Uv
Supply -Uv
EASYBUS
1Output 2
Output 1

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5.2. Connection data
These limits must not be exceeded (not even for a short time)!
Between
terminals
Typical
Limitations
notes
min.
max.
min.
max.
Supply voltage
12 V
3 - 4
11 VDC
14 VDC
0 VAC
14 VDC
Attend to construc-
tion of the device!
24 V
22 VDC
27 VDC
0 VAC
27 VDC
Switching output
1 and 2:
NPN
1 , 5
2 , 5
30 VDC, <1A
Not short circuit
protected
PNP
I < 25 mA
Input mA
7 , 9
0 mA
20 mA
0 mA
30 mA
Input 0-1(2)V, Freq., ...
7 , 9
0 V
3.3 V
-1 V
30 V, I<10mA
Input 0-50mV, TC, ...
7 , 8
0 V
3.3 V
-1 V
10 V, I<10mA
Input 0-10V
6 - 7
0 V
10 V
-1 V
20 V
5.3. Connecting an Input signal
Please take care not to exceed the limitations of the inputs when connecting the device as this
may lead to destruction of the device.
5.3.1. Connecting a Pt100 or Pt1000 RTD probe or a thermocouple probe
Pt1000-RTD probe (2-wire) Pt100-RTD probe (3-wire) Thermocouple probe
5.3.2. Connecting a 4-20mA transmitter in 2-wire-technology
with individual transmitter supply without individual transmitter supply
Pt1000
+
_Supply:
3
4
7
9
Pt100
3
4
7
8
9
+
_Supply:
TC
3
4
7
8-
+
+
_Supply:
+
_Supply:
4-20mA
Transmitter
+Uv
-Uv
+
_Supply:
forTransmitter
3
4
7
9
+
_Supply:
4-20mA
Transmitter
+Uv
-Uv
3
4
7
9

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5.3.3. Connecting a 0(4)-20mA transmitter in 3-wire-technology
with individual transmitter supply without individual transmitter supply
5.3.4. Connecting a 0-1V, 0-2V or 0-10V transmitter in 3-wire-technology
with individual transmitter supply without individual transmitter supply
5.3.5. Connecting a 0-1/2/10V or 0-50mV transmitter in 4-wire-technology
with individual transmitter supply without individual transmitter supply
(Note: Sig- and –Uv must be the same potential)
5.3.6. Connecting a frequency- or rotation-signal
Measuring frequency or rotation three different input signals can be selected in the device’s config-
uration. There is the possibility of connecting an active signal (= TTL, ...), a passive sensor-signal
with NPN (= NPN-output, push-button, relay, ...) or PNP (= a PNP output switching to +Us, high-
side push-button, ...).
When configuring the device with a NPN switching output, a pull-up-resistor (~11kΩreferring to
+3.3V) is connected internally. So when you use a device with NPN output You don‘t need to con-
nect a resistor externally.
When configuring the device with a PNP switching output, a pull-down resistor (~11kΩreferring to
GND) is connected internally. So when you use a device with PNP output You don‘t need a resistor
externally.
It may be that your measuring-signal source needs the connection of an external resistor e.g. the
pull-up-voltage of 3.3V is not enough for the signal source, or you want to measure in the top level
0(4)-20mA
Transmitter
+Uv
Sig.
-Uv
+
_Supply:
+
_Supply:
forTransmitter
3
4
7
9
0(4)-20mA
Transmitter
+Uv
Sig.
-Uv
+
_Supply:
3
4
7
9
Transmitter
+Uv
Sig.
-Uv
+
_Supply:
+
_Supply
forTransmitter
3
4
6
7
9
10V
1V/ 2V
+
_Supply:
3
4
6
7
9
10V
1V/ 2V Transmitter
+Uv
Sig.
-Uv
+
_Supply:
+
_Supply
forTransmitter
3
4
6
7
8
9
10V
1V/ 2V
Transmitter
+Uv
Sig-
-Uv
Sig+
50mV
Transmitter
+Uv
Sig-
-Uv
Sig+
+
_Supply:
3
4
6
7
9
10V
1V/ 2V
50mV

E31.0.12.6C-06 Mounting and operating manual GIA 20 EB with electrically insulated supply page 11 of 32
frequency range. In this case the input signal has to be treated like an active signal and you have
to configure the device as „TTL“.
When connecting the device You have to take care not to exceed the limits of the input
voltage respective the input current of the frequency-input.
Connection of a transducer with TTL or PNP output Connection of a transducer with TTL or PNP output
(separate power supply) (without separate power supply)
Connection of a transducer with NPN output Connection of a transducer with NPN output
(separate power supply). (without separate power supply).
Connection of a transducer with NPN output Connection of a transducer with NPN output
and necessary external resistor and necessary external resistor
(with separate power supply) (without separate power supply).
Hint:
3kΩ(with power supply voltage = 12V) or 7kΩ(with power supply voltage = 24V),
device configuration: Sens = TTL
Transducer
+Uv
Sig.
-Uv
+
_Supply:
+
_Supply:
forTransducer
3
4
7
9
+
_Supply:
3
4
7
9Transducer
+Uv
Sig.
-Uv
+
_Supply:
+
_Supply:
forTransducer
3
4
7
9
Transducer
+Uv
Sig.
-Uv
+
_Supply:
3
4
7
9Transducer
+Uv
Sig.
-Uv
+
_Supply:
3
4
7
9+
_Supply:
forTransducer
Rv
Transducer
+Uv
Sig.
-Uv
+
_Supply:
3
4
7
9
Rv
Transducer
+Uv
Sig.
-Uv

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Connecting of a transducer with PNP output and Connecting of a transducer with PNP output and
external resistor wiring. (with individual power supply) external resistor wiring. (without individual power supply)
Hint: Rv2 = 600Ω, Rv1 = 1.8kΩ(power supply voltage = 12V) or 4.2kΩ(power supply
voltage = 24V), device config.: Sens = TTL
(Rv1 is a current limiting resistor and may be shorted if necessary. It should never exceed
the mentioned value.)
5.3.7. Connecting a counter signal
When configuring the device you can select 3 different input signal modes similar to the connec-
tion of frequency- and rotation-signals. The connection of a sensor-signal for a counter-signal is
the same used for the frequency- and rotation-signal. Please use the wiring diagram given in
this chapter.
There is the possibility to reset the counter. When connecting contact 8 with GND (e.g. contact
7) the counter will be reset. You can do this manually (e.g. with the help of a push-button) or au-
tomatically (with one switching output of the device).
When connecting the device, take care not to exceed the limits of the in-
put-voltage or the input-current of the frequency input.
Manually reset the device with the help of a push-button
Automatically resetting with the help of output 2 and
additional resetting the device via push-button
Hint: Output 2 has to be configured as NPN output
Cascading of GIA20EB`s
Hint for GIA20EB:
Device 1 –Input signal like impuls-transmitter,
Output 2 configured as NPN output
Device 2 –Input-signal = switching-contact
+
_Supply
3
4
7
9+
_Supply
forTransducer
Transducer
+Uv
Sig.
-Uv
Rv2
Rv1
+
_Supply
3
4
7
9Transducer
+Uv
Sig.
-Uv
Rv2
Rv1
Reset-
button
+
_Supply
3
4
7
8
9Transducer
+Uv
Sig.
-Uv
Reset-
button
+
_Supply
2
3
4
7
8
9Transducer
+Uv
Sig.
-Uv
+
_Supply
2
3
4
7
8
9
Device
No.1
Pulse
generator
+Uv
Sig.
-Uv
2
3
4
7
8
9
Device
No.2

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5.4. Connecting switching outputs
In order to avoid unwanted or wrong switching processes, we suggest to
connect the device’s switching outputs after you have configured the device’s
switching outputs properly.
Please take care that you must not exceed the limits of the voltage and of the
maximum current of the switching outputs (not even for a short period of
time). Please take extreme care when switching inductive loads (like coils or
relays, etc.) because of their high voltage peaks, protective measures to limit
these peaks have to be taken.
When switching large capacitive loads a series resistor for current limitation
needed, because of the high turn-on-current of high capacitive loads. The
same applies to incandescent lamps, whose turn-on-current is also quite high
due to their low cold resistance.
In case of configuring one output as an alarm output, the output will be active in idle
state (no alarm present). The output transistor opens or the push-pull output chang-
es from +9V to 0V when an alarm condition occurred
5.4.1. Switching option
Low-Side
“GND-switching“ NPN
output (open-collector)
The switching output is connected to GND
(connection 5) when active (switching output
on).
High-Side
“+Us-switching“ PNP
output (open-collector)
The switching output is connected to an inter-
nal voltage (about +9V) when active (switching
output on).
Push-Pull
The switching output is connected to GND
(connection 5) when inactive. When the switch-
ing output is active, it’s connected to an inter-
nal voltage (about +9V).
5.4.2. Connection with configured low-side-switching output (NPN output, switching to GND)
Connection of consumer loads (relay and lamp) Connection of consumer loads (relay and lamp)
(without individual supply voltage) (with individual supply voltage)
+
_Supply
1
2
3
4
5
+
-
Relay
+
_Supply
+
_Supply
forload
1
2
3
4
5
+
-
Relay

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5.4.3. Connection with configured high-side-switching output (PNP output, switching to +Us)
Connection of consumer loads (relay and lamp)
Hint:
Connections 3 and 5 are internally electrically connected.
When switching higher currents (> 50 mA), the –Uv connection should not be at-
tached to the device (connection 3) but to the -Us connection of the external pow-
er supply unit.
When doing this, you get rid off ground displacement.
5.4.4. Connection with configured push-pull-switching output
Connection of a semiconductor-relay
5.5. Common wiring of several devices
Inputs and outputs are not electrically isolated. When interconnecting several GIA20EB`s you have
to make sure that there is no potential displacement.
Make sure to observe the following points:
- When several GIA20EB`s are connected to the same power supply unit it is highly recommended
to isolate the sensors, measuring transducers etc.
- When the sensors, measuring transducers etc. are electrically connected, and you can’t manage
to isolate them, you should use separate electrically isolated power supply units for each devices.
Please note, that an electric connection may also be created via the medium to be measured (e.g.
pH-electrodes and conductivity-electrodes in fluids)
+
_Supply
1
2
3
4
5
+
-
Relay
+
-
Uin Semicond.-
relay
+
_Supply
1
2
3
4
5

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6. Configuration of the device
Calling the Configuration:
Press Button 2 >2 Seconds.
General description and notes to the operating of the menu:
The display shows INP ('INPUT').
With Button1 you can go to the next parameter resp. after the last
parameter values will be saved.
With Button 2 or Button 3 you can adjust the value.
If no key is pressed > 60 sec. the menu will be automatically closed.
6.1. Selecting an input signal type
Input
Button 1
Selection
Button 2 / 3
Description
Signal
proceed in chapter
INP
U
Voltage signal U
0 –10 V
6.3
0 –2 V
0 –1 V
0 –50 mV
I
Current signal I
4 –20 mA
6.3
0 –20 mA
T.RES
Temperature:
RTD
Pt100
6.2
Pt1000
T .TC
Temperature:
Thermocouples
type K (NiCr-Ni)
6.2
type S (Pt10Rh-Pt)
type N (NiCrSi-NiSi)
type J (Fe-CuNi)
type T (Cu-CuNi)
FREQ
Frequency
TTL-signal
6.4
Switch-contact NPN, PNP
RPN
Rotation
TTL-signal
6.5
Switch-contact NPN, PNP
(O. VP
Counter up
TTL-signal
6.6
Switch-contact NPN, PNP
(O.DN
Counter down
TTL-signal
6.6
Switch-contact NPN, PNP
SER,
Interface mode
Serial interface
6.7
When changing the measuring mode “InP“, the input signal “SEnS“ and the
display-unit “Unit“ all settings will be changed to factory default. You have to
set all the other settings. This also regards the settings for offset and slope-
adjustment as well as the switching points!
Button 1Button 2 Button 3

E31.0.12.6C-06 Mounting and operating manual GIA 20 EB with electrically insulated supply page 16 of 32
When changing the measuring mode “InP“ the values for the offset and slope-
adjustment will be reset. Furthermore a change of the device scaling for standard sig-
nals (di.Lo, di.Hi, dP) or of the resolution and unit for temperature can possibly influ-
ence the values of the offset and slope-adjustment. Therefore you may check your
offset and slope-adjustment after changing the input configuration.
The change of the device scaling for standard signals (di.Lo, di.Hi, dP) or of the reso-
lution and unit for temperature can possibly change the switching and alarm points.
Therefore you may check your output settings afterwards!
6.2. Measuring temperature
(Pt100, Pt1000 RTD probes and thermocouple type J, K, N, S or T)
This chapter describes how to configure the device for temperature measuring with the help of ex-
ternal platinum RTD probes or thermocouple probes.. This instruction demands that you selected
“t.res“ or “t.tc“ as your desired input type like it is explained in chapter 6.1.
The display must show INP.
Parameter
Button 1
Value
Button 2 / 3
Description
Notes
SENS
(with T .RES)
PT0.1
Pt100
(3-wire)
Meas.-range: -50.0 ... +200.0 °C (-58.0 ... + 392.0 °F)
PT 1
Meas.-range: -200 ... + 850 °C (-328 ... + 1562 °F)
1000
Pt1000
(2-wire)
Meas.-range: -200 ... + 850 °C (-328 ... + 1562 °F)
SENS
(with T .TC)
N,CR
type K
(NiCr-Ni)
Meas.-range: -270 ... +1350 °C (-454 ... + 2462 °F)
S
type S
(Pt10Rh-Pt)
Meas.-range: -50 ... +1750 °C (- 58 ... + 3182 °F)
N
type N
(NiCrSi-NiSi)
Meas.-range: -270 ... +1300 °C (-454 ... + 2372 °F)
J
type J
(Fe-CuNi)
Meas.-range: -170 ... + 950 °C (-274 ... + 1742 °F)
T
type T
(Cu-CuNi)
Meas.-range: -270 ... + 400 °C (-454 ... + 752 °F)
UN,T
°C oder °F
unit
F, LT
0.01 ... 2.00 s
filter
see info filter
OVTP
output
Output configuration will be explained in chapter 7.
According to your settings different parameters will
be shown.
Finish configuration:
Press Button 1 as often till the device executes a reset. The values will be stored at it.
F,LT:filter
this digital filter is a digital replica of a low pass filter.
A filter value of at least 0.1 is recommended for the input type S.

E31.0.12.6C-06 Mounting and operating manual GIA 20 EB with electrically insulated supply page 17 of 32
6.3. Measuring voltage and current (0-50mV, 0-1V, 0-2V, 0-10V, 0-20mA, 4-20mA)
This chapter describes how you configure the device for measuring voltage- or current-signals from
an external transmitter. This instruction demands that you selected “U“ or “I“ as input type like it is
explained in chapter 6.1.
The display must show INP.
Parameter
Button 1
Value
Button 2 / 3
Notes
SENS
(with U)
10.00
0 –10 V
2.00
0 –2 V
1.00
0 –1 V
0.050
0 –50 mV
SENS
(with I)
4-20
4 –20 mA
0-20
0 –20 mA
DP
"- - - -"
"- - - . -"
"- - . - -"
"- . - - -"
Decimal point
D,.LO
-1999 ... 9999
Lower display value
D,.K,
-1999 ... 9999
High display value
L ,
(Limit)
OFF
Exceeding of the measuring range limit is tolerable until the
measuring limit. (see info "limit")
ON.ER
The measuring range limit is exactly bounded by the input signal.
When exceeding or short falling the input signal the device will
display an error message.
ON.RG
The measuring range limit is exactly bounded by the input signal.
When exceeding or short falling the input signal the device will
display the selected lower/upper display value.
e.g. humidity:
when exceeding, the device will display 0% or 100%
F,LT
0.01 ... 2.00 s
filter (see info filter)
OVTP
Output configuration will be explained in chapter 7. According to
your settings different parameters will be shown.
Finish configuration:
Press Button 1 as often till the device executes a reset. The values will be stored at it.
L ,: limit
When exceeding the measuring limit (~ upper measuring range + 5% or 21.0 mA at 4-20mA) in-
dependently from the limit setting, the device will always display the corresponding error message
(“Err.1“). When short falling the measuring limit 3.6 mA) independently from the limit setting, the
device will always be displaying the corresponding error message (“Err.2“), if the input signal 4-
20mA is chosen. A short falling of 0V or 0mA is not detected.
F,LT: Filter
This digital filter is a digital replica of a low pass filter.
When using the input signal 0-50mV a filter value of at least 0.2 is recommended

E31.0.12.6C-06 Mounting and operating manual GIA 20 EB with electrically insulated supply page 18 of 32
6.4. Measuring of frequency (TTL, switching-contact)
This chapter describes how to configure the device for measuring frequency.
This instruction demands that you selected “FrEq“ as your desired input type like it is explained in
chapter 6.1.
The display must show INP.
Parameter
Button 1
Value
Button 2 / 3
Notes
SENS
TTL
TTL-signal (see info connection)
NPN
Switching contact, NPN
For direct connection of a passive switching contact (e.g. push
button, relay) or transmitter with NPN output.
There is a internal pull-up-resistor.
(see info switching contact)
PNP
Switching contact, PNP
For direct connection of a transmitter with PNP output.
There is a internal pull-down-resistor.
FR.LO
0 ... 9999
lower frequency range
FR.K,
FR.LO ... 9999
upper frequency range
DP
"- - - -"
"- - - . -"
"- - . - -"
"- . - - -"
Decimal point
D,.LO
-1999 ... 9999
display at lower frequency range limit
D,.K,
-1999 ... 9999
display at upper frequency range limit
L ,
(Limit)
OFF
Exceeding of the measuring-frequency is tolerable until you
reach the maximum measuring range limit.
ON.ER
The measuring range is exactly bounded by the selected fre-
quency-measuring-range-limit. When exceeding or short falling
of the limit the device will display an error message.
ON.RG
The measuring range is exactly bounded by the selected meas-
uring-range-limit. When exceeding or short falling of the limit the
device will display the lower or upper display-range-limit.
e.g. humidity:
when exceeding, the device will display 0% or 100%
F,LT
0.01 ... 2.00 s
Filter
OVTP
Output configuration will be explained in chapter 7. According to
your settings different parameters will be shown.
Finish configuration:
Press Button 1 as often till the device executes a reset. The values will be stored at it.
.
Switching contact, NPN:
when using push-buttons or relays, they must be bounce-free!
Connection:
For the connection of a frequency-transmitter, please follow the instructions given in chapter 5.3.6.
When connecting a switching-contact-transmitter with increased frequency range (= with external
circuitry) you have to select TTL as input signal.

E31.0.12.6C-06 Mounting and operating manual GIA 20 EB with electrically insulated supply page 19 of 32
Measuring:
When exceeding the maximum range limit (10kHz) independently from the limit setting an error
message will be displayed (“Err.1“).
6.5. Measuring of rotation speed (TTL, switching-contact)
This chapter describes how to configure the device for measuring rotation speed.
This instruction demands that you selected “rPn“ as input type like it is explained in chapter 6.1.
The display must show INP.
Parameter
Button 1
Value
Button 2 / 3
Notes
SENS
TTL
TTL-signal
NPN
Switching contact, NPN
For direct connection of a passive switching contact (e.g. push
button, relay) or transmitter with NPN output.
There is a internal pull-up-resistor
PNP
Switching contact, PNP
For direct connection of a transmitter with PNP output.
There is a internal pull-down-resistor.
D,V
1 ... 1000
divisor
DP
"- - - -"
"- - - . -"
"- - . - -"
"- . - - -"
Decimal point
(see info decimal point)
OVTP
Output configuration will be explained in chapter 7. According to
your settings different parameters will be shown.
Finish configuration:
Press Button 1 as often till the device executes a reset. The values will be stored at it.
.
Decimal point:
Use the decimal point position to change the resolution of your measurement. The more the deci-
mal point position is on the left, the finer the resolution will become. Please note that you lower the
maximum value that can be displayed, either
Example:
50 rotations per minute.
without decimal point: display = 50, the maximum value 9999 rotations per minute.
decimal point on the left e.g. XX.XX: display = 50.00, maximum value 99.99 rotations per minute.
Connection:
For the connection of a frequency-transmitter, please follow the instructions given in chapter 5.3.6.
When connecting a switching-contact-transmitter with increased frequency range (= with external
circuitry) you have to select TTL as input signal.

E31.0.12.6C-06 Mounting and operating manual GIA 20 EB with electrically insulated supply page 20 of 32
6.6. Up-/Downwards counter (TTL, switching-contact)
The upwards counter starts counting upwards from 0 according to its settings. The downwards
counter starts counting downwards from the upper value that had been selected.
The current value of the counter can be reset anytime by connecting pin 8 to GND (e.g. pin 7).
The counter starts from its beginning as you disconnect pin 8 and pin 7.
Feature: The present counter value won‘t be lost if the voltage supply is disconnected. The counter
starts from this value after restarting.
This chapter describes how to configure the device as a counter.
This instruction demands that you selected “Co.up“ or “Co.dn“ as input type like it is explained in
chapter 6.1.
The display must show INP.
Parameter
Button 1
Value
Button 2 / 3
Notes
SENS
TTL
TTL-signal
NPN
Switching contact, NPN
For direct connection of a passive switching contact (e.g. push
button, relay) or transmitter with NPN output.
There is a internal pull-up-resistor.
PNP
Switching contact, PNP
For direct connection of a transmitter with PNP output.
There is a internal pull-down-resistor.
EDGE
POS
The counter is triggered on the positive (rising) edge.
NEG
The counter is triggered on the negative (falling) edge.
D,V
1 ... 1000
divisor (see info divisor)
(O.K,
0 ... 9999
Upper counting range limit
The lower counter-range-limit (downwards counter) is fixed with 0.
DP
"- - - -"
"- - - . -"
"- - . - -"
"- . - - -"
Decimal point
D,.K,
-1999 ... 9999
Upper counting range limit
L ,
(Limit)
OFF
Exceeding of the counter range is tolerable until you reach the
maximum measuring range limit.
ON.ER
The measuring range is exactly bounded by the selected counter-
range-limit. When exceeding or short falling of the limit the device
will display an error message.
ON.RG
The measuring range is exactly bounded by the selected counter-
range-limit. When exceeding or short falling of the limit the device
will display the upper counter-range-limit or 0.
OVTP
Output configuration will be explained in chapter 7. According to
your settings different parameters will be shown.