Hydac EDS 3000 User manual

Electronics
Electronic Pressure Switch
EDS 3000
Operation Manual
PN#02080105 • ELC1603-1752 / 09.16
1.877.GO.HYDAC www.HYDAC-NA.com

2EDS 3000 Operating Manual
PN#02080105 • ELC1603-1752 / 09.16
ELECTRONICS

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EDS 3000 Operating Manual
PN#02080105 • ELC1603-1752 / 09.16
ELECTRONICS
Table of Contents Page #
1. Functions of the EDS 3000...................................................4
1.1 Exclusion of Liability...................................................4
2. Mounting.................................................................4
3. Operating keys of the EDS 3000 ..............................................5
4. Digital display .............................................................6
5. Output function............................................................6
5.1 Switching outputs.....................................................6
5.1.1 Switching point setting.................................................6
5.1.2 Window function setting................................................7
5.2 Analog output .......................................................7
5.3 Setting the switching points and hysteresis
and/or switching values for the window function ............................7
5.4 Setting ranges for the switching outputs...................................8
6. Basic settings .............................................................9
6.1 Altering the basic settings ..............................................9
6.2 Summary of basic settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
7. Programming enable ......................................................13
7.1 Altering the operating programming enable ...............................13
7.2 Altering the main programming enable ...................................13
8. Error messages...........................................................14
9. Wiring diagrams ..........................................................15
10. Technical specifications ....................................................16
10.1 EDS 3000 with ceramic sensor cell; absolute and relative pressure ≤500 psi .....16
10.2 EDS 3000 with thin film DMS sensor cell; relative pressure ≥1000 psi...........18
11. Ordering details ..........................................................20
11.1 EDS 3000 with ceramic sensor cell; absolute and relative pressure ≤500 psi .....20
11.2 EDS 3000 with thin film DMS sensor cell; relative pressure ≥1000 psi...........21
12. Accessories .............................................................22
13. Dimensions ..............................................................24

4EDS 3000 Operating Manual
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1. Functions of the EDS 3000
Depending on the model, the unit offers the following functions:
• Measuring value indication of the actual pressure in PSI, MPa, bar or in a scale
defined by the user.
• Display of the maximum value or of a pre-set switching point.
• Switching of the switching outputs according to the pressure and the pre-set
switching parameters.
• Analog output.
• Menu for basic settings (adapting the EDS 3000 to the particular application)
• Programming enable.
1.1 Exclusion of Liability
This operating manual was made to the best of our knowledge. Nevertheless and
despite the greatest care, it cannot be excluded that mistakes could have crept in.
Therefore please understand that in the absence of any provisions to the contrary
hereinafter our warranty and liability - for any legal reasons whatsoever - are
exclusion in respect of the information in this operating manual. In particular, we
shall not be liable for lost profit or other financial loss. This exclusion of liability does
not apply to defects which have been deceitfully concealed or whose
absence has been guaranteed, nor in cases of culpable harm to life, physical injury
and damage to health. If we negligently breach any material contractual obligation,
our liability shall be limited to foreseeable damage. Claims due to the Product
Liability shall remain unaffected. In the event of translation, only the original version
of the operating manual in German is legally valid.
2. Mounting
The EDS 3000 can be mounted directly onto a hydraulic block via the pressure
connection, or indirectly using a hose or Minimess line (for torque values, see Point
10 – Technical Specifications). By using a ZBM 3000 or ZBM 3100 mounting clamp,
the EDS 3000 can be mounted on a wall while the hydraulic connection is made
indirectly by using a minimess hose. The unit can be turned through 340° around its
longitudinal axis for optimum alignment. The display and key-pad can also be
turned through 270°. The electrical connection must be carried out by a qualified
electrician according to the relevant regulations of the country concerned. (VDE
0100 in Germany). The pressure switch housing must be earthed correctly at the
same time. When fitting the switch into a hydraulic block it is sufficient if the block
is earthed via the hydraulic system. In the case of a Minimess hose-mounting, the
housing must be earthed separately (e.g. screened line).

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Warning:
The EDS 3000 must be screwed in using a suitable wrench via the pressure con-
nection.
If the EDS 3000 is not fitted correctly, e.g. if the housing is turned manually, the
housing could be damaged, or made completely inoperable, due to the swivel func-
tion of the EDS 3000.
Additional assembly notes which, from experience, reduce the effect of electromag-
netic interference:
• Make screened connections as short as possible.
• Use screened lines (e.g. LIYCY 4 x 0.5 mm2).
• The cable screening must be fitted by qualified personnel subject to the
ambient conditions and with the aim of suppressing interference.
• Direct proximity to connecting lines of user units or electrical or electronic units
causing interference must be avoided as far as possible.
3. Operating keys of the EDS 3000
mode
Keys for adjusting menu
and switch points
4-digit
display
Display of the
pressure unit
LED display for active
switching point
SP1 SP2

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4. Digital display
After switching on the supply voltage, the unit briefly displays “EdS” and then dis-
plays the actual pressure (basic setting).
In the basic settings, the display can be altered as follows:
• Display of the maximum value: “TOP” This is the largest value measured in the
system since the unit was switched on or was last reset.
• Display of the pre-set switching point: “S.P.1”, “S.P.2” Depending on the model,
switching point 1 or switching point 2 can be permanently displayed.
• Display o f: “oFF” The display is switched off. Depending on the setting,
“TOP”, “S.P.1”, “S.P.2”, or “oFF” appears briefly in the display following the
switch-on message. The actual pressure can be displayed briefly by pressing
the orkeys.
• In the setting “Display of the actual pressure”, it is possible to display the
maximum value by pressing the orkeys. This is displayed for 3 s.
• The maximum value can be reset in each display mode by briefly pressing the
 and thekeys simultaneously. This procedure is acknowledged by the
message “rES” in the display.
Note:
• If the actual pressure exceeds the nominal pressure of the unit, it can no longer
be displayed and the display begins to flash.
• If the actual pressure is below 0.75% of the nominal range, then 0 is displayed.
5. Output function
5.1 Switching Outputs
The EDS 3000 has 1 or 2 switching outputs. The following switching functions can be set up
under the basic settings:
5.1.1 Switching Point Setting (SP)
One switching point and one hysteresis can be set for each switching output. The respective
output switches when the pre-set switching point is reached and switches back when the
pressure falls below the switch-back point. The switch-back point is determined by the
pre-set hysteresis (switch-back point = switching point minus hysteresis). Abbreviations:
“S.P.1”, “S.P.2” = switching point 1 or 2 “HyS.1”, “HyS.2” = hysteresis 1 or 2
2s

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5.1.2 Window Function Setting (WIN)
The window function enables a range to be monitored. For each switching output, an upper
and a lower switching value can be input which determine the range. The respective output
switches when the pressure enters this range. Upon leaving the range, i.e. when the
switch-back value has been reached, the output switches back. The lower switch-back value
is just below the lower switching value (lower switching value minus three times the
increment, see point 5.4). The upper switch-back value is just above the upper switching
value (upper switching value plus three times the increment, see point 5.4). The area between
switching value and switch-back value forms a safety zone which prevents unwanted
switching operations from occurring (e.g. triggered by pulsations from a pump).
Example for switching output 1 (normally open function):
Abbreviations:
“HI 1”, “HI 2” = High level 1 or 2 = upper switching value 1 or 2
“Lo 1”, “Lo 2” = Low level 1 or 2 = lower switching value 1 or 2
Note:
The window function only operates correctly (switching on and off), when all switching values
(including the safety zone) are greater than 0 psi and lower than the nominal pressure range.
5.2 Analog output
Analog output signal:
4 to 20 mA or 0 to 10 V (can be set in the menu “basic settings”)
5.3 Setting the switching points, hysteresis and/or
switching values for the window function
• Press “mode” key
• “S.P.1” or “Hi.1” is displayed
• Keep pressing the “mode” key until the required parameter is displayed (for pre-set
switching point function: “S.P.1”, “hYS.1”, “S.P.2”, “hYS.2” appears; for pre-set window
function (WIN) “Hi.1”, “Lo.1”, “Hi.2”, or “Lo.2” is shown)
• After 2 seconds the actual setting flashes.
• Use the or

the keys to alter the setting.
OFF
OFF
OFF
ON
ON
ON
Hi. 1 plus 1% FS
Hi. 1
Lo. 1 minus 1% FS
Lo. 1
Switch-back value
Switching value
Switch-back value
Switching value
Abbreviations: "Hi.1" = High Level 1
"Lo.1" = Low Level 1
P
t

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• Use the “mode” key to call up other parameters, if required, and alter the setting using
the and the keys.
• If no keys are pressed for 3 seconds, the display changes back and the settings are
saved.
Note:
• If “LOC” appears in the display when trying to alter the settings, programming
is disabled. Corrective action: set programming enable(s) to “FREE”
(see point 7 “Programming enables”)
• If the orkeys are held down during alteration, the value
automatically advances.
• If a setting has been altered, “PROG” appears briefly in the display when the
display is switched over. The new setting is then saved in the unit.
5.4 Setting ranges for the switching outputs
Measuring range
in psi
Switching point or
upper switching
value in psi*
Hysteresis or lower
switching value in
psi*
Increment in psi
0 to 15 0.25 to 15.00 0.10 to 14.85 0.05
0 to 30 0.45 to 30.00 0.15 to 29.70 0.05
0 to 50 0.8 to 50.00 0.3 to 79.5 0.1
-14 to 75 -12.6 to 75.0 0.6 to 74.0 0.2
0 to 150 2.5 to 150.0 1.0 to 148.5 0.5
0 to 250 4.0 to 250.0 1.5 to 247.5 0.5
0 to 500 8 to 500 3 to 495 1
0 to 1000 16 to 1000 6 to 990 2
0 to 3000 45 to 3000 15 to 2970 5
0 to 6000 90 to 6000 30 to 5940 10
0 to 9000 140 to 9000 60 to 8900 20
*All ranges given in the table are adjustable by the increments shown.

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6. Basic Settings
In order to adapt the unit to a particular application, the function of the EDS 3000
can be altered via several basic settings. These are combined in a menu.
6.1 Altering the basic settings
Important Note: when the menu is activated no switching operations are carried
out. To activate the basic settings menu: (Image 6.1)
To close the basic settings menu, call up the menu point “END”, set to “YES”, the
EDS 3000 returns to the normal display mode after 2 seconds.
Note:
If after about 25 seconds no keys have been pressed, the menu automatically
closes down. Any changes which may have been made will not be saved.
mode
Hold "mode" key down
while switching on
supply voltage until
the message "menu"
appears on the display
Display
(release mode key)
Press mode key until
the required menu point
appears.Then release key.
(for summary, see 6.2)
Change setting with
or
then choose next
point in the menu
SP1 SP2
mode
SP1 SP2
mode
SP1 SP2
3s

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6.2 Outline of the Adjustment Menu Points
Setting Display Setting Range Pre-Setting
Switch mode for Switch output 1 (Sm1)
SP / Win SP
Switch output 1 operates in
switch point\hysteresis mode
Switch output 1 operates
in window mode.
Switching direction Switching output 1 (S1)
ON / OFF ON
Normally open function
Normally closed function
Switch-on delay switching output 1 (Ton 1)
0.00 to 99.99s 0
Time in seconds which must elapse,
once the particular switching point has
been reached or exceeded, before
switching will occur
Switch-off delay switching output 1 (Toff 1)
0.00 to 99.99s 0
Time in seconds must elapse, once the
pressure has fallen below the particular
switch-back point, before switching will
occur
The adjustment procedure for switch point
2 is the same as described above.
Primary display
ACT /
Top /
S.P.1 /
S.P.2 /
OFF
ACT
Display value which should remain perma-
nently in the display:
Actual pressure
Pressure peak value
Switch point 1
or 2 setting
display o
(for function, see point 4 “digital display”)
Reset time (RTIM)
(only in primary = “top” setting) Indicates
how long the last peak pressure is shown
on the display

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Setting Display Setting Range Pre-Setting
Display
SLOW /
MEDI /
FAST
MEDI
Display reacts slowly to
pressure variations
Display reacts at standard rate
to pressure variations
Display reacts quickly to
pressure variation
Pressure Range Scale
BAR /
PSI /
MPa /
FREE
PSI
Pressure in Bar.
Pressure in PSI
Pressure in MPa
When shifting between bar, PSI, MPa, the
EDS 3000 changes all switching points
adjustments into chosen unit automatically.
The normal range can be
scaled freely. If this adjustment
is selected, the decimal place
as well as upper and lower
range limits must be adjusted.
Example: If the range has been changed to
0 to 215.5, the display value 215.5 corre-
sponds to the maximum pressure capable
of being measured by the EDS. Application:
Display other scales like KN, Kg, etc.
Decimal Place
0.00 to 0.000 0.0
(only in “rang”= “free” setting)
No. of decimal places, that the EDS 3000
displays
Low Range
0.00 to 99.99s 0
(only in “rang”= “free” setting)
Lower display range limit
High Range
(only in “rang”= “free” setting)
upper display range limit -999 to 9899
Measure
range nal
value

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Setting Display Setting Range Pre-Setting
Analog Output
MAMP /
VAMP MAMP
The analog output provides a 4
to 20mA DC signal.
The analog output provides a 0
to 10VDC signal.
Zero Point Calibration (Calibrate)
YES / NO NO
The actual pressure is saved
as the new zero point. This is
possible in the range +/- 3%
of the unit’s nominal pressure.
This will appear calibration is
carried out in the permissible
range, otherwise
is displayed
This function is useful, for example, if there
is always a residual pressure in the system
which should be displayed as 0 bar.
Warning: Following a zero point adjust-
ment, for example, on a 600 bar unit, a
pressure up to 18 bar will be displayed as
0 bar. Before any work is carried out on the
hydraulic system, ensure that the system is
pressurized.
Version Number
Displays the current software version.
(for reference only)
End
YES / NO NO
This close the basic settings
menu
Basic settings can still be
altered
If menu adjustments have been altered, “ProG” appears briefly when quitting the
basic settings menu, then the selected display value is shown in the primary display.

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7. Programming enable
The unit has 2 types of programming enable which must both be set to “ON” to change the
settings. The operating programming enable can be set or removed during operation.
It provides protection from unintentional alteration. Disabling the programming via the main
programming enable means that the settings cannot be changed during operation. This
serves, for example, as a safety function or as protection against unauthorized alterations.
7.1 Altering the operating programming enable
7.2 Altering the main programming enable
Switch off supply voltage or disconnect the unit from the supply voltage.
Note:
If a setting has been changed, “PROG” is displayed briefly when the display is switched over.
The new setting is then saved in the unit.
mode
Press both arrows
simultaneously and
hold for 3 sec.
Display
(release arrow keys)
Change settings with or
SP1 SP2
mode
SP1 SP2
2s3s 3s
Pressure
FrEE = programming possible
Loc = programming locked
mode
Press both arrows
simultaneously and
hold down. Then switch on
supply voltage and
still hold down for 3 sec.
Display
(release arrow keys)
Change setting with or
SP1 SP2
mode
SP1 SP2
2s3s 3s
Pressure
FrEE = programming possible
Loc = programming locked

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8. Error messages
If an error is detected, then a corresponding error message appears which must be acknowl-
edged by pressing any key. Possible error messages are as follows:
E.01 The switching points and hysteresis have been set in such a way that the resulting
switch-back point is no longer within the permissible setting range.
Example: Switching point is set to 1000 psi, the hysteresis to 1500 psi.
Action: Correct the settings
E.10 A data error has been detected in the saved settings. Possible causes are strong
electromagnetic interference or a component fault.
Action: Check all the settings (programming enable, switching points, switch-back
points and basic settings) and correct these if necessary. If the errors occur
frequently, please contact HYDAC Service.
E.12: An error has been detected in the stored calibration data. Possible causes are
strong electromagnetic interference or a component fault.
Action: Disconnect the unit and re-connect. If the error message is still displayed,
the unit must be returned to the manufacturer for re-calibration or repair.

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9. Circuit Diagrams
Model with 1 switching output
Plug 4-pol. M12x1
Model with 1 switch output and 1 analog output
Plug 4-pol. M12x1
Model with 2 switching outputs
Plug 4-pol. M12x1
Model with 2 switching outputs and 1 analog output
Plug 5-pol. M12x1
EDS 3XX6-1
1
3
4
Imax 1.2 A
SP 1
9 to 35 V
+
–
EDS 3XX6-3
1
3
4
2
Imax 1.2 A
SP 1
18 to 35 V
+
–Analog
Signal
RL
EDS 3XX6-2
1
3
4
2
Imax 1.2 A
Imax 1.2 A
SP 1
SP 2
9 to 35 V
+
–
Analog
Signal
RL
EDS 3XX8-5
1
3
4
2
5
Imax 1.2 A
Imax 1.2 A
SP 1
SP 2
18 to 35 V
+
–

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10. Technical Data
10.1 EDS 3000 w/ Ceramic Sensor Cell;
Absolute and Relative Pressure ≤500 psi
Input Data:
Measuring Ranges
Ceramic sensors absolute pressure 15,50 psi
Overload pressures 45,150 psi
Burst pressure 70, 250 psi
Measuring ranges
Ceramic sensors relative pressure -14.5 to 75, 15, 30, 50, 150, 250, 500 psi
Overload pressures 290, 45, 100, 150, 450, 725, 1500 psi
Burst pressure 400, 70, 150,250, 650, 1000, 2500 psi
Mechanical connection 1/4”-18 NPT male
Torque value 30 lb-ft (40 Nm)
Parts in contact with medium Mech. connection: Stainless steel
Sensor cell: Ceramic
Seal: FPM / EPDM (as pre model code)
Output Data:
Accuracy to DIN 16086, ≤± 0.5 % FS typ.
Max. setting (display, analog output) ≤± 1 % FS typ.
Repeatability ≤± 0.25 % FS max
Temperature drift ≤± 0.014 % FS / ºF max. zero point
≤± 0.014 % FS / ºF max. range
Analog Output (optional)
Signal selectable:
4 .. 20mA ohmic resistance max 500Ω
0 .. 10 V ohmic resistance min. 1 kΩ
Switching outputs
Type PNP transistor output
Switching current max. 1.2 A
Switching cycles > 100 million
Reaction time < 10 ms
Long-term drift ≤± 0.3 % FS typ. / year

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Ambient condition
Compensated temperature range -14 .. +158º F
Operating temperature range -13 .. +176º F (-13 .. +140º F acc. to UL)
Storage temperature range -40 .. +176º F
Fluid temperature range -13 .. +176º F
mark EN 61000-6-1 / 2 / 3 / 4
* mark certicate No. E318391
Vibration resistance to
DIN EN 60068-2-6 at 10 .. 500 Hz ≤ 10 g
Shock resistance to
DIN EN 60068-2-29 (11 ms) ≤ 50 g
Protection class to IEC 60529 IP 67
Other Data
Supply voltage 9 .. 35 V DC without analog output
18 .. 35 V DC with analog output
when using acc.to UL-specication - limited energy -
9.3 UL 61010; Class 2;
UL 1310/1585; LPS UL 60950
Current consumption max. 2,455 A total
max. 35 mA with inactive switching outputs
max. 55 mA with inactive switching outputs
and analog output
Display 4-digit, LED, 7 segment, red,
height of digits 7 mm
Weight approx. 120g
Note: Reverse polarity protection of the supply
voltage, excess voltage, override, short
circuit protection are provided.
FS (Full Scale) = relative to the complete
measuring range
*Envir. conditions to 1.4.2 UL 61010-1; C22.2
No 61010-1

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10.2 EDS 3000 w/ thin film DMS Sensor Cell;
Relative Pressure ≥1000 psi
Input Data:
Measuring Ranges 1000, 3000, 6000, 9000 psi
Overload pressures 2900, 7250, 11600, 11600 psi
Burst pressure 7250, 14500, 29000, 29000 psi
Mechanical connection SAE 6 9/16-18 UNF 2A
Torque value 15 ft-lb (20 Nm)
Parts in contact with medium Mech. connection: Stainless steel
Seal: FPM (Seal)
Output Data:
Accuracy to DIN 16086, ≤± 0.5 % FS typ.
Max. setting (display, analog output) ≤± 1 % FS typ.
Repeatability ≤± 0.25 % FS max
Temperature drift ≤± 0.014 % FS / ºF max. zero point
≤± 0.014 % FS / ºF max. range
Analog Output (optional)
Signal selectable:
4 .. 20mA ohmic resistance max 500Ω
0 .. 10 V ohmic resistance min. 1 kΩ
Switching outputs
Type PNP transistor output
Switching current max. 1.2 A
Switching cycles > 100 million
Reaction time < 10 ms
Long-term drift ≤± 0.3 % FS typ. / year

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Ambient condition
Compensated temperature range -14 .. +158º F
Operating temperature range -13 .. +176º F (-13 .. +140º F acc. to UL)
Storage temperature range -40 .. +176º F
Fluid temperature range -13 .. +176º F
mark EN 61000-6-1 / 2 / 3 / 4
* mark certicate No. E318391
Vibration resistance to
DIN EN 60068-2-6 at 10 .. 500 Hz
≤ 10 g
Shock resistance to
DIN EN 60068-2-29 (11 ms)
≤ 50 g
Protection class to IEC 60529 IP 67
Other Data
Supply voltage 9 .. 35 V DC without analog output
18 .. 35 V DC with analog output
when using acc.to UL-specication - limited energy -
9.3 UL 61010; Class 2;
UL 1310/1585; LPS UL 60950
Current consumption max. 2,455 A total
max. 35 mA with inactive switching outputs
max. 55 mA with inactive switching outputs
and analog output
Display 4-digit, LED, 7 segment, red,
height of digits 7 mm
Weight approx. 120g
Note: Reverse polarity protection of the supply
voltage, excess voltage, override, short
circuit protection are provided.
FS (Full Scale) = relative to the complete
measuring range
*Envir. conditions to 1.4.2 UL 61010-1; C22.2
No 61010-1

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11. Model codes (also order codes)
11.1 EDS 3000 with ceramic sensor cell;
absolute and relative pressure ≤500 psi
EDS 3 X X X - X - XXXX - 400 - X X
Model (Technology)
1 = ceramic absolute
3 = ceramic relative
Mechanical Connection
8 = 1/4” - 18 NPT male thread
Note: G 1/4 port sizes are available upon request
Electrical Connection
6 = 4-pole plug, M12x1
(only available for output models 1, 2 & 3,
connector not included)
8 = 5-pole plug, M12x1,
(only available for output model 5,
connector not included)
Output
1 = 1 switching output
(only in conjunction with electrical
connection type 6)
2 = 2 switching outputs
(only in conjunction with electrical
connection type 6)
3 = 1 switching output and 1 Analog output
(only in conjunction with electrical
connection type 6)
5 = 2 switching outputs and 1 Analog output
(only in conjunction with electrical
connection type 8)
Pressure Ranges (psi)(bar versions available)
Type 1 (ceramic absolute)
0015; 0050
Type 3 (ceramic relative)
0015; 0030; 0050; 0150; 0250; 0500; 0089 (-14 to 75)
Modification Number
400 = standard (determined by the manufacturer)
Seal Material (in contact with medium)
F = FPM seal (e.g. for hydraulic oils)
E = EPDM seal (e.g. for water, coolants)
Connection Material (in contact with medium)
1 = stainless steel