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Summary of Contents for Moore Industries DDA Series
- Page 1 DIN-style May 2016 Direct Current Alarm 192-720-00 C...
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Page 2: Table Of Contents
Table of Contents Introduction ....................... Description ......................Specifications ....................Ordering Information ..................DDA Model Numbers ......................2 Options ..........................2 Calibration ......................Alarm Terminology ......................4 DDA Controls ........................5 Calibration Setup ........................ 8 Calibration Procedures ..................... 11 Calibrating a Unit with the DA Option................12 Setting Deadband for AD Equipped Units ................. -
Page 3: Introduction
Description Introduction The DDA is a 4-wire, process alarm that is powered Moore Industries’ DIN-style Direct Current alarm, the by an external 24 Vdc power source. It accepts stan- DDA, accepts all standard process current and volt- dard process current or voltage (factory-set) and re-... -
Page 4: Ordering Information
Page 2 Ordering Information Unit Input Output Power Options Housing Alarm Configuration: (High/Low and -AD Adjustable Deadband DDA Current: 24DC Failsafe/Non-Failsafe are jumper- Accepts -AR Alarm Response time delay Thermoplastic, 0-20 mA @25Ω selectable) 24Vdc, -DA Deviation Alarm DIN-style rail 1-5 mA @100Ω... -
Page 5: Calibration
Prior to shipment, every DDA is subjected to rigor- 50/60Hz. ous testing by our team of skilled technicians. Ev- ery product Moore Industries manufactures, sells MR Option. Manual Reset. A pair of terminals (la- and services is guaranteed to meet the strict quality beled “RS”... -
Page 6: Alarm Terminology
Reset Point is the process input level at which the alarm relay changes state, going from alarm to non- Moore Industries suggests that all users take a few alarm. The reset point is not necessarily the same moments to become familiar with some of the terms... -
Page 7: Dda Controls
Page 5 Single-alarm units have a single trip point setting DDA Controls designated as “A” on the front panel. Rotating the The DDA’s controls consist of: the Display Control Display Control to position A displays the trip point located on the front panel, the internal jumpers, and setting for output A in a percent of span for standard the internal and external potentiometer adjustments. -
Page 8: Figure 3. Pc4 Component Locations
Page 6 Jumpers. The DDA is field-configured with remov- Match the jumper designations in Figure 3 with the able jumpers for the following functions: jumper tables to identify the location of the jumper pins to be shorted. • High- or low-alarm configuration •... -
Page 9: Table 1. Failsafe/Non-Failsafe Jumper Settings
Page 7 Table 1. Failsafe/Non-failsafe Jumper Settings Table 2. High/Low Alarm Jumper Settings Channel/ Jumpers Channel/Mode Status J406 J407 J409 J410 J411 J412 Installed Stored A/Failsafe Stored Installed Stored Installed A/High Stored Installed Installed Stored Installed Stored A/Non-Failsafe A/Low J404 J405 J413 J414... -
Page 10: Calibration Setup
Page 8 Table 4. Calibration Equipment Calibration Setup Equipment Description Table 4 lists the equipment required to calibrate the DDA. Appropriate for the input type and Adjustable capable of producing the input range Current or Figures 4 and 5 (see pages 8 and 9, respectively) necessary for the unit (two sources Voltage Source required for -DA option) -
Page 11: Figure 5. Calibrating The Dual-Alarm Dda
Page 9 Figure 5. Calibrating the Dual-alarm DDA Terminal Terminal Labels Numbers OHMMETER 24 VDC — See notes POWER SOURCE N N N N O O O O T T T T E E E E S S S S : : : : 1) Either a millammeter or a Channel B, Manual Reset, (Optional) dc voltmeter is required... -
Page 12: Figure 7. Calibrating The Dual-Alarm Dda With The Transistor Switch Output Option
Page 10 Figure 7. Calibrating the Dual-alarm DDA with the Transistor Switch Output Option POWER Terminal Labels Terminal – SUPPLY (60 V, MAX) Numbers – – VOLTMETER – 24 VDC – VOLTMETER POWER SOURCE Channel B, Manual Reset, (Optional) Channel B, Manual Reset, (Optional) N N N N O O O O T T T T E E E E S S S S : : : : 11 12 13 14 15 16 17 18 See notes... -
Page 13: Calibration Procedures
Page 11 7. Verify the 0 and 100 percent readings Calibration Procedures by repeating steps 5-6. Then apply 25-, 50-, and 75 percent inputs to verify that the input is linear. If the input is not Note: linear, repeat steps 5-6. Before calibration, partially disassemble the DDA (see Figures 2 and 3 on pages 5 and 8. -
Page 14: Calibrating A Unit With The Da Option
Page 12 3. Set input source A to 0 percent of input Setting Deadband for AD span and source B to 100 percent of input span. Equipped Units The Adjustable Dead Band (AD) Option provides an 4. Adjust the Span Potentiometer for a adjustable 1-20 percent deadband. -
Page 15: Installation
Page 13 To mount the DDA on hat rail, place the upper extru- Installation sion on the back of the unit over the top edge of the Installing the DDA consists of physically mounting hat rail. Insert the screwdriver over the bottom edge the unit and making the appropriate electrical con- of the sliding retainer clip. -
Page 16: Making The Electrical Connections
Moore Industries recommends the following ground appropriate according to product specifications. wiring practices: • Any Moore Industries product in a metal case • Verify that the process signal has not changed or housing should be grounded. dramatically in an unexpected manner. -
Page 17: Figure 10. Installing The Single-Alarm Dda
Page 15 Figure 10. Installing the Single-alarm DDA Terminal Terminal Labels CURRENT CURRENT 24 VDC Numbers – DRIVEN DRIVEN POWER DEVICE DEVICE SOURCE + 11 12 13 14 15 16 17 18 Manual Reset, (Optional) TRIP N N N N O O O O T T T T E E E E : : : : 1) On actual units, the Manual Reset, (Optional) D C CURRENT ALARM... -
Page 18: Figure 12. Installing The Single-Alarm Dda With The Transistor Switch Output Option
Page 16 Figure 12. Installing the Single-alarm DDA with the Transistor Switch Output Option POWER SUPPLY 60V MAXIMUM – Terminal Labels Terminal – 24 VDC – POWER Numbers VOLTMETER SOURCE + 11 12 13 14 15 16 17 18 Manual Reset, (Optional) TRIP N N N N O O O O T T T T E E E E : : : : D C CURRENT ALARM... -
Page 19: Figure 14. Installing The Dual-Alarm Dda With The Double-Pole/Single-Throw, Normally Open Relays Option
Page 17 Figure 14. Installing the Dual-alarm DDA with the Double-Pole/Single-Throw, Normally Open Relays Option CURRENT CURRENT 24 VDC – DRIVEN DRIVEN POWER DEVICE DEVICE SOURCE + Terminal Labels Terminal Numbers 11 12 13 14 15 16 17 18 19 20 N OT E: TRIP 1 ) On act u al u n it s, t h e... - Page 20 Page 18 Figure 15. Installing the Dual-alarm DDA with the Double-Pole/Single-Throw, Normally Closed Relays Option CURRENT CURRENT 24 VDC – DRIVEN DRIVEN POWER DEVICE DEVICE SOURCE + Terminal Labels Terminal Numbers 11 12 13 14 15 16 17 18 19 20 N OT E: TRIP 1 ) On act u al u n it s, t h e...
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Page 21: Figure 16. Installing The Dual-Alarm Dda With The Double-Pole/Single Throw, Normally Open/Normally Closed Relays Option
Page 19 Figure 16. Installing the Dual-alarm DDA with the Double-Pole/Single-Throw, Normally Open/Normally Closed Relays Option CURRENT CURRENT Terminal Terminal Labels 24 VDC – DRIVEN DRIVEN POWER Numbers DEVICE DEVICE SOURCE + 11 12 13 14 15 16 17 18 19 20 B Manual Reset, (Optional) TRIP... -
Page 22: Figure 18. Installing The Dual-Alarm Dda With The Deviation Alarm Option
Page 20 Figure 18. Installing the Dual-alarm DDA with the Deviation Alarm Option Terminal Terminal Labels CURRENT CURRENT 24 VDC – DRIVEN DRIVEN Numbers POWER DEVICE DEVICE SOURCE + + Reference 11 12 13 14 15 16 17 18 Common N N N N O O O O T T T T E E E E : : : : TRIP 1) On actual units, the... -
Page 23: Operation
• The model number of the unit in question. ship. If any Moore Industries product fails to perform up to rated specifications, call us for help. Our • The serial number of the unit in question. - Page 24 4. Ship the equipment to the Moore Industries location nearest you. The returned equipment will be inspected and tested at the factory. A Moore Industries representative will contact the person designated on your documentation if more information is needed. The repaired equipment, or its replacement, will be returned to you in accordance with the shipping instructions furnished in your documentation.
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