Omega DOCN600 - Manuals

Page 3 MODEL DOCN600 ADDITIONAL FEATURES CONTROL RELAYS: Two relays can be independently set for operation in response to rising or falling value and for fail-safe operation. Deadband (hysteresis) independently adjustable. Rating: 5A 115/230 Vac, 5A 30 Vdc. SPDT ALARM RELAY: High-Low with fixed dead...

Page 6 d) The sensor may be attached to float assembly in one of two ways: 1. With sensor EXTENDED FROM BOTTOM of flotation ball: Insert 12-inch long extender pipe into the flotation ball and fasten it to the end of adapter pipe. This will extend the sensor’s membrane 12 inches below the flotation b...

Page 7 h) Install pivot mounting bracket and mount junction box on the bracket. Insert pipe/sensor assembly through the bracket to the desired position. Tighten pipe locking screw. 3.6 Sensor Installation, Submersion Mounting 3.6.1 a) Refer to diagram below and proceed as follows: b) Route sensor ca...

Page 8 4.0 DESCRIPTION OF FUNCTIONS 4.1 Overview 4.1.1 The DOCN600 is a microprocessor based dissolved oxygen analyzers are designed for industrial applications. They operate in conjunction with the DOE-601 sensor. The software in the unit makes the instrument very easy to operate and maintain. 4.1....

Page 10 4.6 Analog Outputs 4.6.1 The analog output signals consist of a non-isolated 0-1 mA, 0-5 Vdc, and isolated 4- 20 mA signals. 4.6.2 From the factory all of the analog outputs have a linear range corresponding to the full range of the instrument. The 4-20 mA output can be programmed to another...

Page 13 5.0 START-UP AND OPERATION 5.1 Password 5.1.1 To enter the menu press CALL then PASSWORD will be indicated. With each press of CALL you will step through the menu. When the last item is reached the menu wraps around to “%sat/ppm”. If you have enabled PASSWORD by placing DIP Switch 2 Bank S1,...

Page 14 i) If you wish to change the measuring unit to ppm, press CALL a number of times to return to “%sat/ppm” and change ppm with the down button. j) Press RUN to return to on line measurement. NOTE : If a major change is necessary to make the display read 100% the display will flash when you pre...

Page 15 5.6 Temperature 5.6.1 The temperature of the process can be read at any time by entering the menu and calling for TEMPERATURE. Either °C or °F will be indicated depending on the position of DIP switch No. 1. Bank S1. See Section 4.8. 5.6.2 The 0-5 Vdc and 0-1 mA analog outputs can be dedicat...

Page 16 5.8.2 The relay setpoint may be at any place on the scale. To establish the setpoint proceed as follows: a) Press CALL to enter the MENU. If the PASSWORD function is enabled, enter the password then press CALL to illuminate the “%sat/ppm” indicator. If the PASSWORD function is not enabled, “...

Page 17 5.12 Alarm High 5.12.1 The instrument is fitted with a relay, which is set to activate on both high and low alarm conditions. The deadband is factory set. To set the ALARM HIGH proceed as follows. a) Enter the menu and press CALL until ALARM HIGH is indicated. With the arrow buttons make the...

Page 18 6.3 Reset 6.3.1 The instrument can be reset without losing calibration or any of the stored values by pressing and releasing the S9 reset button (located at the bottom of the board near the center) This action is equivalent to turning the power off and on. 6.4 Output Hold 6.4.1 It may be use...

Page 19 7.3 Temperature Output 7.3.1 The 0-5 Vdc and 0-1 mA outputs may be programmed to track the temperature of the process. The factory outputs have a linear range corresponding to 0°C to 40°C, (or 32°F to 104°F.) Suppose you wish the output to span 10°C to 45°C. Proceed as follows: a) Enter the ...

Page 20 b) Turn on the power. Enter the Utility Menu as described in 7.2.1. c) Press CALL to indicate CALIBRATION, which is "4-20 mA Output adjust, low" in the Utility Menu (See table in 7.2.2.) Now use the arrow keys to make your DVM read 8 mA. Press ENTER twice to confirm. d) Press CALL to...

Page 21 9.0 TROUBLESHOOTING AND SERVICE 9.1 Isolate the cause 9.1.1 When a measurement problem occurs, the first step is to try to isolate the cause. If the DOCN600 is powered, go through the menu and check your settings. A convenient way to do this is to call TEST. See Section 5.5. 9.1.2 If your DO...

Page 23 d) After all the above operations are performed the FAIL LED will turn off and STATUS LED will turn green and Status “0” should be obtained. e) The unit may be tested now, using the TEST menu item (See Section 5.5), or the built-in self-testing feature, (See Section 9.1.4) f) Bring the unit ...

WARRANTY/ DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for aperiod 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...

M4177/0805 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE M U Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies M U Wire: Thermocouple, RTD & Thermistor M U Calibrators & Ice Point Refe...