BD ASM 400 User manual

BD SENSORS GmbH
BD-Sensors-Straße 1 Telefon [phone] / 98 11- 0 www.bdsensors.de
D - 95199 Thierstein Telefax +49 (0) 92 35 / 98 11- 11 [email protected]
Operating Manual
Display and Switching Unit ASM 400
Important notes:
Please read this operating manual carefully before installing and starting
up the device.
This operating manual must be kept at an accessible location for further
use.
This operating manual discribes the installation and operation of ASM 400.
Further information about BD SENSORS pressure transmitters are given in
the product-specific operating manuals.
The device may only be installed, used and serviced by persons who are
familiar with this operating manual as well as with the applicable regulations
on occupational safety and accident prevention.

ASM 400
Table of contents
1. General ....................................................................................................................................3
1.1 Information on the intended use .........................................................................................3
1.2 Target group ...................................................................................................................... 3
1.3 Symbols used.....................................................................................................................3
1.4 Safety information ............................................................................................................. 3
1.5 Package contents..............................................................................................................4
2. Product identification ..............................................................................................................4
3. Installation................................................................................................................................4
3.1 General notes.................................................................................................................... 4
3.2 Necessary utilities ............................................................................................................. 4
3.3 Installation steps.................................................................................................................5
3.4 Electrical installation ........................................................................................................... 6
3.5 Supply 2-wire-system ......................................................................................................... 6
3.6 Supply 3-wire-system ......................................................................................................... 7
3.7 Wiring diagrams..................................................................................................................7
3.8 Test of signal and displayed value......................................................................................8
3.9 Final inspection of the device .............................................................................................8
4. Operation ................................................................................................................................8
4.1 Operating and display elements ......................................................................................... 8
4.2 Menu operation ..................................................................................................................9
4.3 Password system ...............................................................................................................9
4.4 Unit.....................................................................................................................................9
4.5 Structure of the menu system........................................................................................... 10
4.6 Menu list ........................................................................................................................... 11
4.7 Special menus..................................................................................................................14
5. Placing out of service.............................................................................................................15
6. Service .................................................................................................................................. 15
7. Repair.................................................................................................................................... 15
8. Disposal................................................................................................................................. 15
9. Warranty conditions .............................................................................................................. 16
10. CE-Note ...............................................................................................................................16
11. Ex-Note ................................................................................................................................ 16
12. Technical Data .....................................................................................................................17

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ASM 400
1. General
1.1 Information on the intended use
•The display and switching unit ASM 400 can be integrated in any transmitter or trans-
ducer with 4 … 20 mA / 2-wire or 0 … 10 V / 3-wire analogue output. With the ASM 400
a digital display and up to 2 contacts are available.
•Mounting the unit into different devices is very simple. A hole and up to 2 grooves have
to be machined in a designated housing.
•The display can be programmed via two push-buttons. The following parameters can be
adjusted: scaling, decimal point, damping, and limit contact (optional). Those parameters
are being stored in an EEPROM and, thus, kept also in case of a power breakdown.
•The device shall be used according to the area of application specified above!
•No liability is assumed and warranty claims are excluded in case of improper application,
modification of or damage to the device.
1.2 Target group
This operating manual is intended for qualified technical personnel.
The display and switching unit ASM 400 has been exclusively designed for qualified companies
that have a large know how in the final assembly of fine mechanical and electrical devices as
well as bonding, joining and soldering technologies.
1.3 Symbols used
: Caution : Note
1.4 Safety information
The following notes must be observed to avoid hazards for the operator and his environ-
ment:
The device may only be installed, used and serviced by persons who are familiar with
this operating manual!
Applicable regulations regarding occupational safety, accident prevention and national
installation standards must be complied with!
The product must only be used within the specifications! (Compare the technical
data under "12. Technical Data".)
The electronical assembly group in the ASM 400 is equipped with EMC compo-
nents. The manufacturer of the total appliance must ensure CE conformity.
Mount the device in the currentless condition!

ASM 400
1.5 Package contents
Please verify that all listed parts are included in the delivery:
•Display and Switching Unit ASM 400
•O-ring 24x1.6 NBR
•Retaining ring (Seegerring AV20)
•Sheet of labels
•Operating Manual "ASM 400"
2. Product identification
The device can be identified by its type plate. It provides the most important data. By the
ordering code the product can be clearly identified.
Fig. 1 Type plate
For identification of the firmware, the program version (e. g. P07) will appear for about 1 second
in the display after starting up the device. Please hold it ready for inquiry calls.
3. Installation
3.1 General notes
•Please note that this device is a precision electronic instrument. Handle the device careful-
ly to avoid damages to the plastic surface and housing parts.
•The display and the plastic housing are equipped with a rotational limiter. Please do only
rotate the display or the housing within the limit.
•The ingress protection by factory is IP 00 (front side: IP 65). The ingress protection of the
total appliance depends on the housing mounted by the customer.
3.2 Necessary utilities
•O-ring 24x1.6 NBR - is included in the scope of delivery -
•retaining ring (Seegerring AV20) - is included in the scope of delivery -
•grease for seals of NBR
•soldering iron, soldering grease and tin-solder (if the electrical connection should be made
by soldering)
•crimping tool and a compatible plug connection (if the electrical connection should be
pluggable)
•seeger circlip pliers
•devices for simulation of the measuring range (e. g. pressure calibrator) and for measuring
the output signal (digital multimeter)
•device for checking the contact functions
Ordering code
Type
designation
S
erial number
Pin configuration

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ASM 400
3.3 Installation steps
•For the ASM 400, a hole and two grooves have to be machined into the designated
housing (see fig. 2).
The groove of Ø 38 must be established in such a way that a web will remain top left
(rotational limiter). It serves as a protection against over-winding, and the ASM 400
will be rotatable in the range between -35°and +215°.
•Guide the O-ring 24 x 1.6 (position 2) over the cords emerging from the ASM 400
(position 1) and place it into the designated groove Ø 27 of the housing (position 3).
•Then you should slightly grease the O-ring with a lubricant for NBR seals.
•Put the ASM 400 onto the housing’s side so that the rotational limiter of the circuit board
carrier will be placed in the external groove (Ø 38).
•Secure the ASM 400 with the spring retainer on the side in such a way that both parts are
firmly connected.
•Check whether the ASM 400 may be turned on the housing cover.
•Establish the electrical contact according to the description below.
•Check the output signal of the transmitter and compare it with the indicated value.
Fig. 2 ASM 400
1 Display and Switching Unit ASM 400
2 O-ring 24x1.6 NBR
3 Panel with hole and grooves
4 Seegerring AV20

ASM 400
3.4 Electrical installation
The following table describes how to install the ASM 400 on the transmitter. The connection has
to be made by soldering or pluggable.
2-wire-system
Electrical
Connection
cord
colours
comment
Supply + white This cord must be connected with supply + of the power supply unit.
Supply - brown This cord must be connected with supply + of the transmitter.
Contact 1 green This cord of contact 1 must be connected with the respective load
resistor R
L
.
Contact 2 yellow This cord of contact 2 must be connected with the respective load
resistor R
L
.
In addition, a contact between supply - of the transmitter and supply - of the power supply unit
must be established (see 3.7 Wiring diagrams - 2-wire-system).
3-wire-system
Electrical
connection
cord
colours comment
Supply + white This cord must be connected with supply + of the power supply
unit.
Supply - brown
1
This cord must be connected with supply - of the power supply
unit.
Contact 1 green This cord of contact 1 must be connected with the respective load
resistor R
L
.
Contact 2 yellow This cord of contact 2 must be connected with the respective load
resistor R
L
.
Signal + red This line must be connected with the positive power supply (only
for 3-wire-circuit 0 ... 10 V).
Signal - brown
1
This cord must be connected with signal + of the transmitter.
Normally, it is the same as supply - of the transmitter
(only for 3-wire-circuit 0 ... 10 V).
In addition, a contact between the transmitter and supply + of the power supply unit must be
established.
3.5 Supply 2-wire-system
The supply created by the electronics of the ASM 400 is approx. 6 V
DC
. Please take this into
consideration when planning your power supply. The limits for the power supply can be calcu-
lated as follows:
minimum supply:
VVV
MUS
6
minmin
+=
maximum supply:
VVV
MUS
6
maxmax
+=
V
MU min
= Minimum supply of the used transmitter
V
MU max
= Maximum supply of the used transmitter
1
On the device, two brown cords have been installed. These are connected galvanically, so that you can freely
choose the cord for installation.

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ASM 400
With Ex-protection the max. supply for a combination of transmitter and ASM 400 is 28 V
DC
.
Insure that no external power can flow into the contacts.
3.6 Supply 3-wire-system
minimum supply:
The minimum supply of the ASM 400 (V
S min
) is 8 V. The connected transmitter is supplied by the
ASM 400, so the minimum supply of the transmitter must be used for the total appliance if it is
higher than 8 V. The following formulas are valid:
if
VV
MU
8
min
≥
:
minmin MUS
VV =
if
VV
MU
8
min
<
: VV
S
8
min
=
V
MU min
= Minimum supply of the used 3-wire transmitter
maximum supply:
The maximum supply of the ASM 400 (V
S max
) is 36 V. As the connected transmitter is also sup-
plied by the ASM 400, the maximum supply does not only depend on the supply of the ASM
400. If the maximum supply of the transmitter is lower than 36 V, the maximum supply of the
total appliance may not exceed the transmitter’s value. The following formulas are valid:
if
VV
MU
36
max
≥
: VV
S
36
max
=
if
VV
MU
36
max
<
:
maxmax MUS
VV =
V
MU max
= Maximum supply of the used 3-wire transmitter
3.7 Wiring diagrams
For the usage with BD SENSORS pressure transmitters, the following wiring diagrams are
given: For electrical connection a sheathed and twisted multicore cable is recommended.
2-wire-system (current)
3-wire-system (voltage)
Supply +
Transmitter
Supply -
+V
S
−
V
S
V
S
ASM 400
Contact 1
RL
Contact 2
RL
+V
S
Supply +
Transmitter
Supply
−
−
V
S
ASM 400
U
Signal
out
U
Signal
in
U
Signal
V
S
Contact 1
Contact 2
R
L
R
L

ASM 400
3.8 Testing the signal and the displayed value
After assembling the transmitter, you should in any case perform a test of the displayed value
and the switching functions. Therefore, the device must be connected according to the specifi-
cations. In the next step, you should carry out the settings at the zero point (menu 3) and end
point (menu 4), as well as the decimal point (menu 2). The displayed value of the ASM 400
should correspond to the respective measuring value of the transmitter.
3.9 Final inspection of the device
For final inspection, it is essential to test the displayed value as well as the switching function
again. The switching function may be externally tested by a variety of procedures. The use of
two external LEDs, which are triggered through protective resistors, is the simplest and most
suitable way.
4. Operation
4.1 Operating and display elements
Fig. 3 Touchpad
The device has a green LED for displaying the active contact of set point 1 and a yellow LED for
displaying the active contact of set point 2. The LEDs will light up when the respective set point
has been reached and the contact is active.
The display of the measured value as well as the configuration of the individual parameters
occur through a menu via a 4-digit seven-segment display. The individual functions can be set
with the help of two miniature push buttons located in the front.
•"▲" button: with this button you move forward in the menu system or increase the
displayed value
•"▼" button: with this button you move backward in the menu system or decrease
the displayed value
•both buttons simultaneously:if both buttons are pushed simultaneously, the device changes
between display and configuration mode; you can also confirm
the menu items and set values
When setting the values, you can increase the counting speed by pushing the respective
button ("▲" or "▼") for more than 5 seconds.
LED
contact 1
LED
contact 2
4-digit seven-
segment display
"▲" - button
"▼" - button
Unit

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ASM 400
4.2 Menu operation
The menu system is a closed system allowing you to scroll both forward and backward through
the individual set-up menus to navigate to the desired setting item. All settings are permanently
stored in an EEPROM and therefore available again even after disconnecting from the supply
voltage. The menu system and the menu items have been designed as simply as possible. Be-
low, each individual menu item is described in detail allowing a straightforward and quick confi-
guration of your device. The structure of the menu system is identical for devices with or without
contacts. The device with contacts deviates from the one without contacts by ten or five addi-
tional menus. These additional menus are marked by a gray background for clear identification.
Please follow the manual meticulously and remember that changes of the adjustable
parameters (switch-on point, switch-off point, etc.) become only effective after pushing
both buttons simultaneously and leaving the menu item.
4.3 Password system
The device is equipped with an access protection to allow access to the complete menu system
only to authorized persons.
•Activating the access protection with the password will lock the complete menu.
•Deactivating the access protection with the password will unlock the complete menu.
The password can be activated and deactivated through menu "PAon" resp. "PAof".
It can be changed according to special menu 4.
In case the password has been lost, there is a possibility to reset the password.
You can do this by loading the defaults via the special menu 3.
4.4 Unit
The unit of the values to be measured is determined on ordering. But it is also possible to
change the unit later by using one of the enclosed unit labels.

ASM 400
4.5 Structure of the menu system
Fig. 4 Menu system Rev. P07
The grey marked menus are only available at devices with one or two contacts.
Display mode
(measured value
is displayed)
Access protection/
entry to special
menus
Menu 1:
PAon / PAof
Special menu 1:
Full scale set
FS S
Code-Nr.: 0238
Measured value
update (display)
Menu 19: dLdS
Switch-off point S2
Menu 10: S2of
Minimum value
Menu 18: LoPr
Zero point
Menu 3: ZP
Hysteresis- and
compare mode
Menu 11:
HY 1 / CP 1
End point
Menu 4: EP
Damping
Menu 5: FILt
Exceeding
message
Menu 6: HILo
Switch-on point S1
Menu 7: S1on
Switch-off point S1
Menu 8: S1of
Switch-on point S2
Menu 9: S2on
Switch-on delay S1
Menu 13: d1on
Switch-off delay S1
Menu 14: d1off
Switch-on delay S2
Menu 15: d2on
Switch-off delay S2
Menu 16: d2off
Maximum value
Menu 17: HIPr
PA of -
Password
inactive
Decimal position
Menu 2: dP
PA on -
Password active
Special menu 2:
Offset set
oF S
Code-Nr.: 0247
Special menu 3:
Defaults
LoAd
Code-Nr.:0729
Hysteresis- and
compare mode
Menu 12:
HY 2 / CP 2
Special menu 4:
Password
SEtP
Code-Nr.: 0835