Omega DPG1000ADA Owner Manual
The Omega DPG1000ADA is a high-accuracy digital pressure gauge with dual alarms and 4-20 mA output. It offers a wide range of pressure measurement capabilities, from -30 inHg vacuum to 5000 psig, making it suitable for various applications. The device features a 4-digit LCD display with 0.5" high digits and a 5-character alphanumeric display for clear and easy readings. Additionally, it has two programmable SPDT relay contacts for alarm outputs, allowing you to set alarms for specific pressure levels and take appropriate actions when triggered.
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TM
Digital Pressure Gauges with Alarms
DPG1000ADA Series
INSTRUCTION SHEET
M3362/0818
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Ranges and Resolution
See table below. Resolution is fixed as indicated in table.
Dual Alarms, 4-20 mA Output DPG1000ADA-30V100 DPG1000ADA-30INHGVAC DPG1000ADA-05G DPG1000ADA-15A DPG1000ADA-15G DPG1000ADA-30A DPG1000ADA-30G DPG1000ADA-60G DPG1000ADA-100A DPG1000ADA-100G DPG1000ADA-300G DPG1000ADA-500G DPG1000ADA-1KG DPG1000ADA-2KG DPG1000ADA-3KG DPG1000ADA-5KG Alarm Setting (All are field configurable) -1N
(default if not specified)
-2N -3N -1R -2R -3R Range
–30.0 inHg to 100.0 psig 0.00-30.00 InHg Vac 0.00-5.000 psig 0.00-15.00 psia 0.00-15.00 psig 0.0-30.00 psia 0.0-30.00 psig 0.0-60.00 psig 0.0-100.0 psia 0.0-100.0 psig 0-300.0 psig 0-500.0 psig 0-1000 psig 0-2000 psig 0-3000 psig 0-5000 psig
Alarm Type
HI/LO Normal action HI/HI Normal action LO/LO Normal action HI/LO Reverse action HI/HI Reverse action LO/LO Reverse action
Accuracy
Accuracy includes linearity, hysteresis, repeatability ±0.25% of full scale ±1 least significant digit Sensor hysteresis: ±0.015% FS, included in accuracy Sensor repeatability: ±0.01% FS, included in accuracy
Display
4 readings per second nominal display update rate 4 digit LCD, 0.5” H and 5 character 0.25” H alphanumeric Alarm 1 and Alarm 2 LCD indicators and bi-color (red/green) LEDs
Controls & Functions
SEL Select and display alarm trip points TEST Alarm acknowledge, or toggle alarms when in test mode s Increase alarm setpoint when in setpoint adjust mode t Decrease alarm setpoint when in setpoint adjust mode Multi-level pass code protection for set-up and calibration
Alarm Relay Outputs
Programmable dual form C (SPDT) relay contacts for HI/LO, HI/HI, LO/LO, normal or reverse acting with 1% deadband, or adjustable trip and reset points for each relay, manual or auto acknowledge.
1A/24VDC, 0.5A/115VAC, non-inductive 120 milliseconds typical response time
Calibration
Non-interactive, ±10% of range All pressure and absolute models: zero, midpoint, span All vacuum models: –span, –midpoint, zero Vacuum/pressure models: –span, zero, +midpoint, +span ±15 psi models: –span, –midpoint, zero, +midpoint, +span Numeric display Alarm1 Select Test Alarm 1 status LED
ALARM 1
88888 2
ALARM 2 SEL TEST
s t ¼" NPT 3.38" Standard 3.5" NEMA 4X 0.75" Alpha numeric display Alarm 2 Up Down Alarm 2 status LED 2.88" 1.65" Turn at hex fitting only 3 ft long, 22 AWG cables with stripped and tinned wire ends 2 conductor power 6 conductor alarms Allow 1" wire clearance
DPG1000-PS Optional Power Supply Kit
The optional power supply kit includes a UL and CSA listed 115 VAC (50/60 Hz) wall-mount power supply with U.S. style 2-prong plug. Output is 12 VDC at 200 mA and is intended for gauges that accept DC power. The power supply’s two-conductor wire is approxi mately 6 feet long and has plain wire ends. Also included is a moisture resistant connector to allow easy hookup without having to strip wires. Use a pair of pliers to snap connector onto wires.
DPG1000ADA
NC 1 C 1 NO 1 NC 2 C 2 NO 2
Alarm Contact Ratings
0.5A/115VAC, 1A/24VDC, non-inductive BLACK RED
Power wires
8-24 VAC 50/60 Hz or 9-32 VDC
6-conductor relay wires
BLACK NC Normally Closed RED C Common NO Normally Open SPDT 1 GREEN BROWN BLUE NC Normally Closed C Common NO Normally Open SPDT 2 WARNING: This product can expose you to chemicals including lead, nickel and chromium, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Power
8 to 24 VAC 50/60 Hz or 9 to 32 VDC Gauge is on when power is on Designed for continuous operation. 1.0 watt maximum power consumption
Weight
9.5 ounces (approx.), shipping wt. 1 pound (approx.)
Housing
Extruded aluminum case, epoxy powder coated, ABS/ polycar bonate bezel, front and rear gaskets, polycarbonate label
Connection, Material, Media Compatibility
1/4” NPT male fitting, all wetted parts are 316L stainless steel
Overpressure, Burst, Vacuum
Ranges using 3000 psig sensor: 5000 psig overpressure Ranges using 5000 psig sensor: 7500 psig overpressure All others: 2 X pressure range 3000 psi, 5000 psi, and 4 digit ranges 112.5% full scale out of-range display: 1– – – or I –.–.–.– Under-range display (non-vacuum sensors): –Err 4 X sensor burst pressure rating, or 10,000 psi, whichever is less Vacuum service: 15 psia, ±15 psig, 15 psig, 30 psia, 100 psig, 100 psia, 200 psig sensors
Environmental
Storage temperature: –40 to 203°F (–40 to 95°C) Operating temperature: Compensated temperature: –4 to 185°F (–20 to 85°C) 32 to 158°F (0 to 70°C)
Installation Precautions
4 Read these instructions before using the gauge. Configuration may be easier before installation. Contact the factory for assistance.
4 These products do not contain user-serviceable parts. Contact us for repairs, service, or refurbishment.
4 Gauges must be operated within specified ambient temperature ranges.
4 Outdoor or wash down applications require a NEMA 4X gauge or installation in a NEMA 4X housing.
4 Use a pressure or vacuum range appropriate for the application.
4 Use fittings appropriate for the pressure range of the gauge. 4 Due to the hardness of 316 stainless steel, it is recommended that a thread sealant be used to ensure leak-free operation.
4 For contaminated media use an appropriate screen or filter to keep debris out of gauge port. 4 Remove system pressures before removing or installing gauge.
4 Install or remove gauge using a wrench on the hex fitting only. Do not attempt to turn gauge by forcing the housing. 4 Do not exceed relay current and voltage ratings. Use an appro priate contactor for larger loads. Inductive inrush currents may be up to 5x normal current and may require an RC snubber. 4 Good design practice dictates that positive displacement liquid pumps include protection devices to prevent sensor damage from pressure spikes, acceleration head, and vacuum extremes.
Avoid permanent sensor damage! Do not apply vacuum to non-vacuum gauges or hydraulic vacuum to any gauges. Avoid permanent sensor damage! NEVER insert objects into gauge port or blow out with compressed air.
Gauges are not for oxygen service. Accidental rupture of sensor diaphragm may cause silicone oil inside sensor to react with oxygen.
NEVER connect the gauge wires directly to 115 VAC or per manent damage will result.
2
DPG1000ADA Series Digital Pressure Gauges With Alarms Types of Gauges
Gauge reference models read zero with the gauge port open. Compound ranges read vacuum in inches of Mercury, pressure in psig, and zero with the gauge port open.
1000 psi and higher sensors are a sealed-reference type. They read zero with the gauge port open are internally referenced to 14.7 psi. They function like gauge reference sensors.
Absolute reference gauges read zero at full vacuum and atmo spheric pressure with the gauge port open. Note that readings of atmospheric pressure vary continuously.
Gauge Wiring Diagram DPG1000ADA Power wires
NC 1 C 1 NO 1 NC 2 C 2 NO 2
Alarm Contact Ratings
0.5A/115VAC, 1A/24VDC, non-inductive BLACK RED GREEN BROWN BLUE
Gauge Power Connections
8-24 VAC 50/60 Hz or 9-32 VDC
6-conductor relay wires
BLACK NC Normally Closed RED C Common NO Normally Open SPDT 1 NC Normally Closed C Common NO Normally Open SPDT 2 The 2-conductor cable RED and BLACK leads is for the gauge power supply. Note the relay cable also has red and black wires. Do not connect power to them.
Connect to 8-24 VAC, 50/60Hz or 9-32 VDC. The gauge will operate on either AC or DC power, either polarity. An unregu lated power supply can be used. Note that 24 VAC transformers with small loads may operate at voltages over the 24 VAC limit. The supply voltage, when within the stated ranges, has negli gible effect on the gauge calibration. Operation below 9 VDC or 8 VAC may cause erratic or erroneous readings or output.
When operating multiple gauges from the same power supply, refer to the mA rating in the specifications to ensure adequate power. Route the wires away from heat sources and moving equipment.
Power Up
The gauge is powered on whenever a supply voltage is applied. Warm-up time is negligible. The gauge may be left on at all times. All configuration information is stored in non-volatile memory. When power is first applied, the gauge proceeds through a startup sequence. During the startup sequence, relays are de energized and the status LEDs are off.
1. The firmware version number is displayed briefly 2. All active display segments are turned on for approx. 1 second.
3. The full scale pressure is indicated for approx. 1 second while the engineering units and FS (full scale) are indicated for 1/2 second on the character display.
4. The display is tested again for approximately 1 second.
The gauge then proceeds to the normal operating mode.
Alarm Contact Rating and Protection
The alarm contacts are rated at 1A/24VDC or 0.5A/115VAC. Using mechanical relay contacts above their rating, or with large inductive loads, will shorten their life. For inductive loads, RC snubbers or arc suppression devices are required to protect the contacts. For large loads a higher capacity contactor is required. No internal fusing is included in the alarm contact circuits. The alarm outputs should be externally fused by the user in applica tions where good design practice dictates.
Alarm Types
The factory default configuration is 1% fixed deadband mode, zero tare enabled, and no pass code required for test function.
Alarms may be configured to operate in fixed deadband mode or adjustable hysteresis mode. In the fixed deadband mode, the alarm set/reset point deadband is factory set to 1% of full-scale. Each alarm may be configured as either HI or LO with a user adjustable alarm set point for each relay.
In the adjustable hysteresis mode, two independent set and reset trip points are user adjustable for each relay. The set or reset state at power up when between trip points is user configurable.
Gauge Configuration
From the normal operating mode, press and hold the
TEST
and s buttons. Then press the
SEL
button. Release all buttons when the display indicates and CFGPC on the lower display. Enter the pass code as described below.
Pass Code Entry
CFG .
Before the gauge enters the Configuration mode, the display initially indicates _ _ _ _ with the first underscore blinking, A pass code is required to configure the gauge. Additional levels of security may be enabled by defining separate pass codes for calibration, configuration, output test, and set point adjust modes. See Changing the User-Defined Pass Code at the end of this manual to change pass codes.
Functions in user configuration mode Restore original factory configuration Enable/disable zero tare function Choosing 1% deadband or adjustable hysteresis alarm mode Operation for blinking alarm LEDs Set point modes (high alarm/low alarm or state at power-up) Relay action mode (normal/reverse) Enable/disable pass code for output test and set point adjust When the gauge requests a pass code, the display indicates ____ with the first underscore blinking, and either TSTPC , CFGPC Use the , s CALPC and t on the lower display. All three pass codes are initially set to the factory default of
3510
.
Note: During pass code entry the LEDs will be off and the gauge will not respond to changes in pressure. The relays will maintain their prior state. The gauge will automatically revert to the nor mal operation if no buttons are ressed for approx.y 15 seconds.
buttons to set the left-most digit to 3.
Press and release the
SEL
button to index to the next position. The 3 will remain, and the second position will be blinking.
Use the Use the s s and and t buttons to select 5.
Press and release the t
SEL
button to index to the next position. 3 5 will remain, and the third position will be blinking.
buttons to select 1.
Press and release the
SEL
button to index to the next position. 3 5 1 will remain, and the fourth position will be blinking.
Use the s and t buttons to select 0.
Press and release the
SEL
button to proceed.
If an incorrect pass code was entered, the gauge will to exit to the normal operating mode. Upon successful pass code entry, follow the steps in the appropriate section of this manual.
Note: To exit a mode at any time, press and hold the
SEL
button until the display indicates – – – – .
Restore Factory Configuration
The upper display will be blank, and the lower display will display either USER_ or FCTRY .
Use the s or t buttons to select either USER_ or FCTRY .
If If USER_ FCTRY is selected, the existing user configuration will be retained and can be modified in the following steps. is selected, the existing user configuration will be replaced with the factory configuration. It can be modified in the following steps. When the desired setting is displayed, press and release the
SEL
button to move on to the next parameter.
Zero Tare Configuration
The upper display will be blank, and the lower display will indicate either ZTARE or NOZTR .
Use the s or t buttons to select either ZTARE or NOZTR If ZTARE is selected, the user will be able to manually zero the gauge from the normal operating mode.
If NOZTR is selected the user will be prevented from zeroing the gauge from the normal operating mode. This is default set ting for absolute reference ranges. When the desired setting is displayed, press and release the
SEL
button to move on to the next parameter.
Alarm Type Selection
The lower display will either indicate DBAND or ADJ_H .
If If DBAND ADJ_H Use the s is selected, each relay will operate with 1% of full scale deadband between set and reset. is selected, each output relay will have an adjust able set point and an adjustable reset point. or the t buttons to select either DBAND or ADJ_H . When to desired mode is displayed, press and release the
SEL
button to move on to the next parameter.
LED Alarm Annunciator Function Selection
This setting lerts the operator to an alarm conditionby blinking the LEDs. The choices are Automatically acknowledge: A_ACK Manually acknowledge: No acknowledgement: M_ACK NO_AN Use the s or t buttons to cycle through the three choices.
A_ACK : An alarm condition will be automatically acknowl edged when the alarm condition clears. When an alarm condi tion occurs, the LED for that alarm will begin to blink red until it has been manually acknowledged by a pressing the green whenever no alarm condition exists.
TEST
button, or until the alarm condition no longer exists. If an alarm is manually acknowledged, the LED will be steadily red while the alarm condition continues to exist. The LED will be steadily M_ACK : An alarm condition must be manually acknowledged. When an alarm condition occurs, the LED for that alarm will blink red if the alarm condition exists or blink green if the alarm condition no longer exists. The LED will continue to blink until it has been manually acknowledged by a pressing the
TEST
button. Once an alarm has been acknowledged, the LED will be steadily red while the alarm condition exists or green when the alarm no longer exists.
NO_AN : The LEDs will not blink. When an alarm condition occurs, the LED associated with that alarm will be steadily red if the alarm condition exists, or green if the alarm condition no longer exists. In addition, the LCD display for ALARM1 and ALARM2 will not be displayed during alarm conditions.
When the lower display indicates the desired annunciator action, press and release the
SEL
button to move on to the next parameter.
Fixed Deadband
DBAND
Alarm Setup Alarm 1 Type in
DBAND
Mode
If ADJ_H was selected, skip to the Relay Power Up State Section.
Use the s or t buttons to select either SP1_L or SP1_H . If SP1_L is selected, Alarm 1 will be a LOW alarm. Alarm 1 will be SET when the pressure falls below Setpoint 1.
Alarm 1 will be RESET when the pressure rises above Setpoint 1 plus the deadband. The fixed 1% deadband is .01 x the full scale range of the gauge.
If SP1_H is selected Alarm 1 will be a high alarm. Alarm 1 will be SET when the pressure rises above Setpoint 1.
Alarm 1 will be RESET when the pressure falls below Setpoint 1 minus the deadband. The fixed 1% deadband is .01 x the full scale range of the gauge.
When the desired alarm type is displayed, press and release the
SEL
button to move to Alarm 2.
Alarm 2 Type in
DBAND
Mode
Use the s or t buttons to select either SP2_L or SP2_H . If SP2_L is selected, Alarm 2 will be a LOW alarm. Alarm 2 will be SET when the pressure falls below Setpoint 1.
Alarm 2 will be RESET when the pressure rises above Setpoint 2 plus the deadband. The fixed 1% deadband is .01 x the full scale range of the gauge.
If SP2_H is selected Alarm 2 will be a high alarm. Alarm 2 will be SET when the pressure rises above Setpoint 1.
Alarm 2 will be RESET when the pressure falls below Setpoint 2 minus the deadband. The fixed 1% deadband is .01 x the full scale range of the gauge.
When the desired alarm type is displayed, press and release the
SEL
button to move to the next parameter.
DPG1000ADA Series Digital Pressure Gauges with Alarms
3
Relay Action in
DBAND
Fixed Deadband Mode
Use the s or the t buttons to select either Normal Acting (Failsafe): _NOR_ Reverse Acting: _REV_ If If NOR_ is selected, the output relay coils will be energized in the RESET state and de-energized in the SET state. _REV_
SEL
is selected, the output relay coils will be de energized in the RESET state and energized in the SET state When the desired alarm type is displayed, press and release the button to move to the Output Test and Set Point Adjust Pass Code Protection section.
Adjustable Hysteresis
ADJ_H
Alarm Setup Relay Power Up State in
ADJ_H
Adjustable Hysteresis Mode
This determines the state of the relays if the gauge is powered up while the pressure is between the SET and RESET trip points. For some applications it may not be desirable to have an alarm condition during power-up. Use the s or the t buttons to select either SP1_L or SP1_H .
If If SP1_L is selected and the gauge is powered up while the pressure is between the Relay 1 SET and RESET trip points, Relay 1 will begin in the RESET state. SP1_H is selected and the gauge is powered up while the applied pressure is between the Relay 1 SET and RESET trip points, Relay 1 will begin in the SET state. When the desired alarm state is selected, press and release the
SEL
button to move to Relay 2.
Use the s or the t buttons to select either SP2_L or SP2_H .
If SP2_L is selected and the gauge is powered up while the applied pressure is between the Relay 2 SET and RESET trip points, Relay 2 will begin in the RESET state.
If SP2_H is selected and the gauge is powered up while the applied pressure is between the Relay 2 SET and RESET trip points, Relay 2 will begin in the SET state.
When the desired alarm state is selected, press and release the
SEL
button to move to the next parameter.
Relay 1 Action in
ADJ_H
Adjustable Hysteresis Mode
Press and release the s or the t buttons to select either Normal Acting (Failsafe): _NOR1 Reverse Acting: _REV1 If If _NOR1 _REV1 the
SEL
is selected, the output relay coil will be energized in the RESET state and de-energized in the SET state. is selected, the output relay coil will be de-energized in the RESET state and energized in the SET state.
When the desired Alarm 1 action is selected, press and release button to move to Alarm 2.
Use the s or the t buttons to select either Normal Acting (Failsafe): _NOR2 Reverse Acting: _REV2 If _NOR2 is selected, the output relay coil will be energized in the RESET state and de-energized in the SET state. If _REV2 is selected, the output relay coil will be de energized in the RESET state and energized in the SET state.
When the desired Alarm 2 action is selected, press and release the
SEL
button to move to the next parameter.
Output Test & Set Point Adjust Pass Code Protection
This setting determines if a pass code is required to acess the Output Test and Set Point Adjustments.
Use the s or the t buttons to select either TSTPC or NOTPC .
The lower display will indicate TSTPC to enable Output Test and Set Point Adjust Modes pass code protection.
The lower display will indicate and Set Point Adjust Modes pass code protection, press and release the t button.
Press and release the
SEL
NOTPC button to save the configuration parameters and restart the gauge. to disable Output Test Note: The configuration parameters will not be saved if the procedure is interrupted before completion.
Operation: Fixed Deadband Alarms
Each relay may be independently configured as a high or low alarm in User Setup and operate as shown in the table below.
Normal acting, High alarm SP_H Pressure Relay coil Alarm 1 continuity < Set point – 1%FS On C-NO (Red-White) > Set point Off C-NC (Red-Black) Alarm 2 continuity C-NO (Brown-Blue) C-NC (Brown-Green) LED Green Red Normal acting, Low alarm SP_L Pressure < Set point > Set point + 1%FS Relay coil Alarm 1 continuity Alarm 2 continuity C-NC (Brown-Green) C-NO (Brown-Blue) LED Red Green Reverse acting, High alarm SP_H Pressure Off C-NC (Red-Black) < Set point – 1%FS On C-NO (Red-White) > Set point Relay coil Alarm 1 continuity Alarm 2 continuity C-NC (Brown-Green) C-NO (Brown-Blue) LED Green Red Reverse acting, Low alarm SP_L Pressure Off C-NC (Red-Black) < Set point On C-NO (Red-White) > Set point + 1%FS Relay coil Alarm 1 continuity On C-NO (Red-White) Off C-NC (Red-Black) Alarm 2 continuity C-NO (Brown-Blue) C-NC (Brown-Green) LED Red Green The relevant LCD alarm icon will indicate an alarm condition.
The relevant bi-color LED will be illuminated green for a normal condition or red for an alarm condition.
The LED will blink at a slow rate until the alarm is acknowledged unless the annunciator mode was disabled in setup. Alarms may be configured to be automatically acknowledged when the alarm condition clears or configured to be manually acknowledged by pressing the
TEST
button.
Displaying Trip Points
The applied pressure, the value of Trip Point 1, and the value of Trip Point 2 may be selected for display as follows: When the applied pressure is being displayed, press and release the
SEL
button. The Trip Point 1 value will be displayed with TRIP1 on the lower display.
When the Trip Point 1 value is being displayed, press and release the TRIP2
SEL
button. The upper display will indicate the Trip Point 2 value with on the lower display.
Press and release the lower display.
SEL
button. The upper display will indicate the applied pressure with engineering units on the
Adjusting Setpoints: Fixed Deadband Alarms
Set Point is defined as the pressure value that will result in a change of state only from a normal to an alarm condition. Trip Point is defined as the pressure value that will result in a change of state of alarm condition, and includes the effect of deadband when returning from an alarm to a normal condition.
Set Point 1
From the normal operating mode press the
SEL
button to display Trip Point 1. Press and hold the with TSTPC
TEST
indicate Trip Point 1 with button and press the in the Pass Code Entry section. TRIP1
SEL
button. Release both buttons when the display indicates – – – – .
If pass code setpoint protection is enabled, the display initially indicates _ _ _ _ with the left-most underscore blinking, and on the display. Enter the pass code as described If pass code setpoint protection is not enabled, the display will blinking at a slow rate on the lower display.
Press and hold the
TEST
button. The display will indicate Set Point 1 with SP1 on the lower display. While holding the
TEST
button, use the s and t buttons to adjust Set Point 1 to the desired value. Release the
TEST
button to store the Set Point 1 value. Note: The gauge will not respond to changes in applied pressure while the
TEST
button is pressed. The alarm relays, LEDs, and LCD alarm icons will maintain their prior states until the
TEST
button is released.
To exit the Set Point 1 Adjust mode and return to the normal operating mode, press and release the
SEL
button.
Set Point 2
From the normal operating mode press the
SEL
button twice to display Trip Point 2. Press and hold the with TSTPC Press and hold the
TEST
indicate Trip Point 2 with
TEST
button and press the in the Pass Code Entry section. TRIP2
SEL
button. Release both buttons when the display indicates – – – – .
If pass code setpoint protection is enabled, the display initially indicates _ _ _ _ with the left-most underscore blinking, and on the display. Enter the pass code as described If pass code setpoint protection is not enabled, the display will blinking at a slow rate on the lower display, and the alarm indicators and the retransmission output will correspond to the applied pressure.
button. The display will indicate Set Point 2 with SP2 on the lower display. While holding the
TEST
button, use the s and t buttons to adjust Set Point 2 to the desired value. Release the
TEST
button to store the Set Point 2 value. Note: The gauge will not respond to changes in applied pres sure while the
TEST TEST
button is pressed. The alarm relays, LEDs, and LCD alarm icons will maintain their prior states until the button is released.
To exit the Set Point 2 Adjust mode and return to normal opera tion, press and release the
SEL
button.
Operation: Adjustable Hysteresis Alarms
In the adjustable hysteresis mode, two independent set and reset points used for each relay and operate as shown below.
Normal (Fail-safe) acting, RESET value less than SET Pressure < Low RESET point > High SET point Relay coil Alarm 1 continuity On C-NO (Red-White) Off C-NC (Red-Black) Alarm 2 continuity C-NO (Brown-Blue) C-NC (Brown-Green) LED Green Red Normal (Fail-safe) acting, SET value less than RESET Pressure < Low SET point > High RESET point Relay coil Alarm 1 continuity Off C-NC (Red-Black) On C-NO (Red-White) Alarm 2 continuity C-NC (Brown-Green) C-NO (Brown-Blue) LED Red Green Reverse acting, RESET value less than SET Pressure < Low RESET point > High SET point Relay coil Alarm 1 continuity Off C-NC (Red-Black) On C-NO (Red-White) Alarm 2 continuity C-NC (Brown-Green) C-NO (Brown-Blue) LED Green Red Reverse acting, SET value less than RESET Pressure < Low SET point > High RESET point Relay coil Alarm 1 continuity On C-NO (Red-White) Off C-NC (Red-Black) Alarm 2 continuity C-NO (Brown-Blue) C-NC (Brown-Green) LED Red Green Power-up relay state when between SET and RESET Config. set to SP_L RESET Config. set to SP_H SET The LEDs indicate green for a RESET state and red for a SET state. Refer to the table for output states as a function of applied pressure.
If the gauge is configured for alarms, ALARM1 and ALARM2 will be indicated when alarm conditions exist, and the associated
4
DPG1000ADA Series Digital Pressure Gauges with Alarms
LEDs will blink to indicate unacknowledged alarm conditions. Alarms may be configured to be automatically acknowledged when the alarm condition clears or configured to be manually acknowledged by pressing the
TEST
button.
Displaying Trip and Reset Points
The applied pressure, the SET trip points, and the RESET trip points may be selected for display as follows.
While the applied pressure is being displayed, press and release the
SEL
with 2 with with button. The upper display will indicate the value of set point 1 with SET_1 on the lower display.
While set point 1 is being displayed, press and release the
SEL
RST_1 RST_2 on the lower display.
SET_2 on the lower display.
While set point 2 is being displayed, press and release the on the lower display.
and engineering units.
Adjusting Trip and Reset Points, Adjustable Hysteresis Mode SEL
button. The upper display will indicate the value of reset point 1 While reset point 1 is being displayed, press and release the SEL button. The upper display will indicate the value of set point
SEL
button. The upper display will indicate the value of reset point 2 While the reset point 2 is being displayed, press and release the button. The upper display will indicate the applied pressure From the normal operating mode press the SEL button to dis play the desired trip point (SET_1, RST_1, SET_2, or RST_2).
Press and hold the TEST button and press the SEL button. Release both buttons when the display indicates – – – – .
If pass code protection is enabled, before the unit enters the Set Point Adjust Mode, the display initially indicates _ _ _ _ with the left-most underscore blinking, and with TSTPC on the lower display. Enter the pass code as described in the Pass Code Entry sec tion. While in the Trip Point Adjust mode with no buttons pressed, the display will indicate the trip point value with its designator (SET_1, RST_1, SET_2, or RST_2) blinking at a slow rate.
To adjust the displayed trip point value, press and hold the TEST button. The display will continue to indicate the trip point value.
Operate the is released.
s and t buttons to adjust the trip point to the desired value. The trip point value is stored when the TEST button is released. Note: The relays and indicators will not correspond to the applied pressure value until the TEST button To exit the Trip Point Adjust mode and return to the normal operating mode, press and release the SEL button.
Zero Tare Mode
If the gauge is not indicating zero with zero pressure applied but is within approximately 3% of full scale pressure of zero, you may tare the gauge to zero. This feature may be enabled or disabled. Absolute ranges are configured with this feature turned off.
From the normal operating mode with the gauge port open to atmosphere, press and hold both the s and t buttons and press the
SEL
button. The relay outputs and the retransmission output will hold the last value, and the visual indicators will be deacti vated. Release all buttons when the display indicates Z OFF 3% of zero, Err0 will be displayed. Press the o o o o .
The display will indicate a newly calculated zero tare value with on the lower display. Note: If not within approximately without affecting any existing zero tare value.
SEL
button to cancel the operation and return to normal operating mode To cancel and remove any existing zero tare value, press and release the t button. The display will indicate zero. To restore the newly calculated zero tare value, press and release the s button.
To exit the Zero/Tare mode, press and release the
SEL
button. The gauge will return to normal operation.
Output Test Mode
From the normal operating mode, press and hold the
TEST
but ton and press the
SEL
button. Release both buttons when the display indicates – – – – or _ _ _ _.
If pass code protection is enabled, the display indicates _ _ _ _ with the left-most underscore blinking, and tion. at a slow rate.
TSTPC . Enter the pass code as described in the Pass Code Entry sec While in the Test mode with no buttons pressed, the display will indicate the pressure with the engineering units blinking When the
TEST
button is pressed, the LED indicators and the relays will toggle to their opposite states. Pressing the s or the t button while holding the respond to changes in applied pressure while the
TEST TEST
button will raise or lower the test value. Note that the gauge will not button is held.
When the pressure.
TEST
button is released, the display, the LED indi cators, and the relay outputs will correspond to the applied Press and release the
SEL
button to exit the Output Test mode and return to normal operation.
Calibration Preparation
The gauge is calibrated at the factory using equipment trace able to NIST. There is no need to calibrate the gauge before putting it in service. Calibration should only be performed by qualified individuals using appropriate calibration standards and procedures. The calibration equipment should be at least four times more accurate than the gauge being calibrated. The calibration sys tem must be able to generate and measure pressure/vacuum over the full range of the gauge. A vacuum pump able to produce a vacuum of 100 microns (0.1 torr or 100 millitorr) or lower is required for vacuum and absolute gauges. Allow the gauge to equalize to normal room temperature (about 20 minutes minimum) before calibration.
Calibration
To enter the calibration mode from the normal operating mode with applied pressure being displayed, press and hold the and the t buttons. Then press the tons when the display indicates
SEL
CAL .
TEST
button. Release all but When the gauge enters the calibration mode, the display initially indicates _ _ _ _ with the first underscore blinking, and with CALPC on the lower display. Enter the pass code as described in the Pass Code Entry sec tion. Upon successful calibration pass code entry, the upper display will indicate the applied pressure in the configured engineer ing units. The lower display of the display will alternate between CAL and the calibration region corresponding to the applied pressure ( ZERO , +MID , +SPAN , MID , or SPAN mode at any time, press and hold the ).
Note: To store the calibration parameters and exit calibration
SEL
button until the display indicates – – – – .
The pressure calibration procedure adjusts the display indica tion to correspond to the actual applied pressure.
If the applied pressure is not being displayed, press and release the
SEL
button to step to the pressure calibration sequence, indicated by CAL on the display.
Note: If the
SEL
button is held depressed for longer than 2 sec onds, the display will change to indicate – – – – , and the gauge will exit the calibration mode when all buttons are released.
Zero calibration: Apply zero pressure. The lower display will alternate between CAL and ZERO . Use the s and t buttons to adjust the upper display to indicate zero.
Span calibration: Apply full-scale pressure. The lower display will alternate between CAL and +SPAN . Use the s and t buttons to adjust the upper display to indicate the applied pressure value.
Midpoint Non-Linearity calibration: Apply 50% full-scale posi tive pressure. The lower display will alternate between CAL and display to indicate the applied pressure value.
Negative Span calibration (bipolar and compound ranges only): will alternate between buttons to adjust the upper display to indicate the applied pressure value.
Negative Midpoint Non-Linearity calibration (bipolar ranges only): Apply 50% full-scale negative pressure. The lower display will alternate between CAL and MID . Use the s and t buttons to adjust the upper display to indicate the applied pressure value.
To store the calibration parameters and exit calibration mode, press and hold the
SEL
button until the display indicates – – – – .
+MID . Use the Apply full-scale negative pressure. The lower display
Configuration Pass Code
From the normal operating mode, press and hold the
TEST
and the s buttons. Then press the
SEL
button. Release all buttons when the display indicates CFG .
Calibration Pass Code
From the normal operating mode, press and hold the
TEST
and the t buttons. Then press the
SEL
button. Release all buttons when the display indicates CAL .
Test and Set Point Adjust Pass Code (optional)
From the normal operating mode, press and hold the
TEST
but ton. Then press the blinking, and with
SEL
button. Release all buttons when the display indicates – – – – .
Before the unit enters the view or change pass code mode, the display initially indicates _ _ _ _ with the first underscore CFGPC , CALPC , or TSTPC on the lower display.
Note: during pass code entry, the LEDs will be off and the gauge will not respond to changes in applied pressure. The output relays will maintain their prior states and the retransmission output will maintain its prior value. The gauge will automatically revert to normal operation if no buttons are operated for approximately 15 seconds.
Enter Factory Pass Code 1220
Use the Use the s s and and t buttons to set the left-most digit to 1.
Press and release the t
SEL
button to index to the next position. The 1 will remain, and the second position will be blinking.
buttons to select 2.
Press and release the
SEL
button to index to the next position. 1 2 will remain, and the third position will be blinking.
Use the s and t buttons to select 2.
Changing the User-Defined Pass Codes
Press and release the 2 2 will remain, and the fourth position will be blinking.
Use the the
SEL
s and t s and CAL
SEL
t buttons to adjust the upper and SPAN button to index to the next position. 1 buttons to select 0.
. Use the s and t Press and release the operating mode.
SEL
button to proceed. Note: If an incor rect pass code was entered, the gauge will exit to the normal Once the correct password has been entered, the display will indicate the existing pass code with CFGPC , CALPC , or TSTPC on the lower display. Note: while in the pass code change mode, the LEDs will extinguish and the unit will not respond to changes in applied pressure and the output relays will be de-energized.
Operate the s or t button to select the first character of the calibration password.
When the correct first character is being displayed, press and release the
SEL
button to proceed to the next password character.
Repeat he steps until the entire password is complete.
To exit the User-Defined Pass Code change mode, press and hold button. Release the button when the display indicates – – – – and restarts in the normal operating mode.
DPG1000ADA Series Digital Pressure Gauges with Alarms
5
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WARRANTY/DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of
13 months
from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal
one (1) year product warranty
to cover handling and shipping time. This ensures that OMEGA’s customers receive maximum coverage on each product. If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department will issue an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion; or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not limited to contact points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various products. However, OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of OMEGA with respect to this order, whether based on contract, warranty, negligence, indemnification, strict liability or otherwise, shall not exceed the purchase price of the component upon which liability is based. In no event shall OMEGA be liable for consequential, incidental or special damages.
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RETURN REQUESTS/INQUIRIES
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR number should then be marked on the outside of the return package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent breakage in transit. FOR
WARRANTY
OMEGA: warranty, and RETURNS, please have the following information available BEFORE contacting 1. Purchase Order number under which the product was PURCHASED, 2. Model and serial number of the product under 3. Repair instructions and/or specific problems relative to the product.
FOR
NON-WARRANTY
REPAIRS, consult OMEGA for current repair charges. Have the following information available BEFORE contacting OMEGA: 1. Purchase Order number to cover the COST of the repair, 2. Model and serial number of the product, and 3. Repair instructions and/or specific problems relative to the product.
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our customers the latest in technology and engineering.
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