User Guide - DM3430 Series
Contents
1. Alarm State Alarm State 7 3 2 Comms Pod Specification Configuration system I O and display unit PC communication Physical Layer 4 wire or 2 wire half duplex RS485 Isolation 500V AC Maximum Fan out 32 units Software Baud Rate 19 200 or 9 600 Protocol Modbus RTU format Optional link Z Ribbon cable connection version 4 5 4 4 a x x amp 2 3 000o oo Optional link Connection of the link connects a 100 ohm termination resistor across pins 7 and 8 This resistor should only be selected for the instrument furthest away from the host Full details of the modbus protocol are supplied separately with the pod 8 0 MECHANICAL DETAIL Material ABS PC Weight 200g Flammability IEC707 FVO Pod weight 40g typical Panel cutout 92mm x 45mm 5 0 OPERATION 5 1 Run Mode Operation The normal display shown in this mode is the process variable KEYPRESS ACTION CYCLE A View setpoints Adjust value if SPEn enabled CLEAR A amp C Reset relay latch and peak valley cLEn enabled SHIFT B View peak memory INC C View valley memory 6 0 SPECIFICATION 20 C Waveform Type Crest Factor True RMS Value Mean Value Error in Mean 1V Peak V Peak V RMS Calibrated to circuit read RMS Pure Sine Wave 1 41 0 707 Symmetrical 1 11 Square Wave Pure Triangle 0 555 Wave SCR Waveforms 50 Duty Cycle 25 Duty Cycle 6 1 Input Specification Accuracy 0 1 of rdg2. inPt dP Short Menu Full Menu 4 3 3 Editing A Parameter The items displayed in the menu can either be submenus parameters or numbers most of the items in the Inputs menu are parameters which can be edited Press the CYCLE A key until tYPe is displayed then press SHIFT B The current setting will now be shown flashing This item is changed by pressing the INC C key The choice of options available is as follows inPt v eov 550v 6A Press the INC C key until 60V is displayed Note that whilst the display is flashing the option on the display has not been saved to memory To select an option the ENTER key sequence is used Press ENTER B amp C The display will stop flashing momentarily before returning to Menu mode The system automatically steps on to the next entry to speed the process of programming This method of editing parameters is repeated throughout the menu structure 4 3 4 Returning From Submenus To return up from the inPt menu to the root menu wait for 1 minute or press the ESCAPE A amp B key Pressing the ESCAPE key from our current position in the Inputs submenu takes us back to the Root menu The menu position will automatically step to the next menu item if no pods are fitted the unit will show SYS if pods are fitted SLt1 or SLt2 will be shown 6 2 General Specification 20 C Input Output Isolation 3 5KV
3. 0 1 FSD Thermal Drift 0 02 C Input Impedance 550V 10mW 60V 1mW 6A 0 02W Isolation 3 5KV Ranges 550Vdc 550Vac 60Vdc 60Vac 5A 5Aac 7 1 2 Relay Specification AC DC Maximum Load 7A 250V 7A 30V Maximum Power 1750VA 210W Maximum Switching 250V 125V Electrical Life 105 operations at rated load Mechanical Life 50 Million operations 7 2 Isolated 4 20mA Re transmission Pod POD 3000 03 The re transmission pod when fitted is designed to provide 0 10mA 0 20mA or 4 20mA output in active or passive modes The output can be any portion of the display The pod can be used in two modes Active Source Passive Sink R Load v l l y R Load 3 1 2 3 4 5 eee0ee 1 2 4 5 000o oo Max RLoad 1K RLoad lt V 2 K Ohm 22 And Vmax 30V Note Only one Re transmission pod can be fitted 7 2 1 SLT1 SLT2 Re transmission Pod Submenu TITLE OPTIONS DETAIL SPan 4 20mA 0 20mA 0 10mA User defined output current rt lo User defined Low span range to match display rt HI User defined High span range to match display Vv ac Tag No 11 0 TT 131 0 BEHIND BEZEL Stock code 52 314 2317 01 Issue 1
4. 1 0 GENERAL The unit is a highly accurate and stable digital indicator for displaying AC DC current or voltage in true RMS The unit can be used stand alone or with the Modbus serial communications pod option as part of a larger system The case design enables option Pods to be easily installed without the need for dismantling or re calibration A range of Pods are available for Relay outputs Isolated 4 20 mA re transmission Modbus serial communication FRONT PANEL BRIGHT FOUR DISCRETE LED SEALED TO IP65 DIGIT DISPLAY ALARM INDICATORS Had 1234 Nac Tag No CYCLE SHIFT INCREMENT LEGEND KEY KEY KEY WINDOW 3 2 Installing Into a Panel 140 0 gt 10 mm MAX PANEL THICKNESS OPTIONPOD CLAMPING SCREW PANEL CLAMP gt Cutout 92 0 92 8 x 45 0 45 6 mm DIN 43700 Refer to section 8 0 for Mechanical Detail The maximum panel thickness is 10mm The instrument case has an integral gasket which forms a seal when the instrument is tightened against the panel The panel should be clean smooth and at least 1 6mm thick for the seal to be effective WARNING Use only the retaining screws provided to clamp the instrument to the panel screws must be tightened sufficiently to effect a seal but must never be overtightened 3 3 Wiring All connections are made to sockets which are removable for ease of maintenance Installation should be undertaken in accordance with relevant sections o
5. Adaptive Input Filtering or smoothing 4 4 2 The SyS System Submenu TITLE OPTIONS DETAIL LiSt FuLL SHrt Selects full or short menu cLEn oFF on Clear enable option pods SPEn oFF on Setpoint enable option pods AdEL OFF 2 5 10 20 60 120 240 Power up alarm delay PASS 4 digit passcode Modify any password code oFFS User defined offset Take care when replacing sensor Refer to section 7 0 for SLt menu structures To install an option pod slide back the cover to its next engaging position and push the pod connection within the mating connector To remove an option pod disengage the supporting latch situated beneath the pod by pushing the back cover forward the pod can then be lifted away from the instrument connector 7 1 Dual Relay Pod POD 3000 02 The relay pod has two change over gt Nz a z relays with a common wiper o b o a NC Normally closed 1 ST NO Normally open 7 1 1 SLT1 SLT2 Relay Pod Submenu Each relay can be set as high or low alarm independently TITLE OPTIONS DETAIL AL 1 Hi Lo Alarm action SEt1 User defined PV at which the alarm triggers dEL1 off 2 5 10 20 60 120 240 Alarm delay HYS1 User defined Hysterisis band see below LAt1 oFF on Sets latching to on or off inUl oFF on Invert relay operation Continues through for Relays 2 4 when fitted Hysteresis HIGH ALARM LOW ALARM Operation Setpoint Hysteresis Hysteresis Band Setpoint Band
6. rms galvanically isolated Update time 250 mS maximum Time Constant Filter off lt 1 second to 63 of final value Filter Factor Off 2 Seconds 10 Seconds or Adaptive Warm up time 2 minutes to full accuracy Display Range 999 to 9999 Power Supply S1 90 253 VAC 50 60 Hz S2 20 35 VDC 24Vac 10 Power Consumption 6VA Maximum options fitted Supply Isolation 3 5KV Environmental Sealing to PANEL IP65 Ambient Operating Range 30 to 60 C Ambient Storage Temperature 50 to 85 C Ambient Humidity Range 10 to 90 RH non condensing Approvals EMC Emissions BS EN50081 1 pending Susceptibility BS EN50082 2 pending Electrical Safety BS EN61010 1 pending UL pending Environmental Approvals for Tension Clamp Terminals Low Temperature IEC 68 2 1 Dry Heat IEC 512 6 9 Damp Heat IEC 512 6 3 Damp Heat cyclical IEC 68 2 30 Salt Spray IEC 512 6 6 Sulphur Dioxide IEC 68 2 46 Hydrogen Sulphide IEC 68 2 16 Gas Tightness IEC 512 Pr 11n 7 0 OPTION PODS 7 0 1 Installing Pods Power must be removed from unit before adding removing a pod Slot 1 alarm 1 and 2 should be positioned on the left side of the unit looking from the front to correspond to front panel alarm indicator slot 2 alarm 3 and 4 is positioned on the right 7 2 2 Re Transmission Pod Specification Minimum Current Output gt OmA Maximum Current Output lt 23mA Accuracy 0 07 or 5pA which ever is greater Maximum External Power Supply 30V passive mode Voltage E
7. support status co uk Web www status co uk Every effort has been taken to ensure the accuracy of this specification however we do not accept responsibility for dam age injury loss or expense resulting from errors and omis sions and we reserve the right of amendment without notice Stock code 52 314 2317 01 Issue 1 4 3 Entering Menu Mode The Root Menu mode is accessed from Run by pressing ENTER B amp C followed by CYCLE A The display will now show inPt In order to understand what this means the following diagram shows where we are within the basic Root menu ROOT MENU inet gt sutt l gt sit2 l gt sys v Y X X INPUT OUTPUT OUTPUT SYSTEM SUBMENU SUBMENU Slot menus only appear when respective option pods are fitted 4 3 1 Moving Around The Menu You can browse through the Root menu by pressing CYCLE A which moves the menu position from left to right after reaching SYS the menu position wraps around to the start 4 3 2 Entering A Submenu To enter a submenu first cycle around the Root menu until the required submenu is displayed For the purposes of this tutorial press the CYCLE A key until InPt is displayed Pressing SHIFT B enters the Input Submenu tYPe will now be displayed The diagram shows our position in relation to other items in the menu Pressing CYCLE A moves left to right wrapping around at the end The unit alters items in the menu list depending upon settings made
8. be present on the terminals the equipment must be installed by suitably qualified personnel and mounted in an enclosure providing protection to at least IP20 ISOLATION The power supply terminals and associated internal circuitry are isolated from all other parts of the equipment in accordance with BS EN61010 1 for connection to a Category Il supply pollution degree 2 Functional isolation 3 5kv max is provided between input and output circuits and between inputs and communications where fitted Any terminals or wiring connected to the input output or communications terminals which are accessible in normal operation must ONLY be connected to signals complying with the requirements for Safety extra low voltage SELV circuits WARNING If not installed in accordance with these instructions protection against electrical hazards may be impaired Installation overvoltage category 2 as per BS EN61010 1 The Mains supply to the equipment must be protected by an external 1 Amp fuse and a suitable switch or circuit breaker which should be near the equipment The equipment contains no user serviceable parts The indicator must be panel mounted into a suitable enclosure with at least IP20 protection behind panel DM3430 TRUE RMS INDICATOR Designed manufactured and supported by lt STATUS gt INSTRUMENTS Green Lane Tewkesbury Gloucestershire GL20 8DE UK Tel 01684 296818 Fax 01684 293746 Email
9. f BS6739 British Standards code of practice for Instrumentation in Process Control Systems Installation design and practice 3 5 Input Connections All input connections are made via the eight way socket at the rear of the unit wire size 0 to 2 5mm Isolation The input is isolated by 3500V from the indicator circuitry and from the output options 3 5 1 Voltage and Current Measurement 50V Connect only one input at any time to the indicator Wherever possible connect the neutral side or circuit common to the input terminal Ensure power is disconnected prior to wiring The diagram shows the rear panel positions for all electrical connections OPTION POD SLOT 2 OPTION POD SLOT 1 NOT SHOWN a amim VOLT CURRENT POWER INPUT CONNECTOR 2 0 UNPACKING Please inspect the instrument carefully for any signs of shipping damage The packaging has been designed to afford maximum protection however we cannot guarantee that mishandling will not have damaged the instrument In the case of this unlikely event please contact your supplier immediately and retain the packaging for subsequent inspection 3 4 Power Supply The Power supply rating will be indicated on the top of the instrument ensure it is correct for the application The Mains supply to the equipment must be protected by an external 1 Amp fuse and a suitable switch or circuit breaker which should be nea
10. ffect 0 2uA V Ripple Current lt 3yA Isolation 500V AC Temperature Stability 1pA C 7 3 Modbus Serial Communications Pod POD 3000 05 The diagram below shows a PC connected to Modbus pods Modbus link 1 eee CC N a Es Device 4 Ee 1 Ee 2 Er 3 7 3 1 SLT1 SLT2 Communications Submenu TITLE OPTIONS DETAIL Addr User defined Instrument device number baud 9 6 19 2 User selected baud rate Line 2 4 4 Wire or 2 wire half duplex RS 485 The Root menu as its name suggests is not a submenu Pressing the ESCAPE A amp B key sequence whilst in the Root menu will take the user out of Menu mode and into Run mode Thus the process variable will be shown on the display Refer to section 5 2 if an error code is shown after programming in menu mode 4 4 The Menus 4 4 1 The INPt INPUT Submenu The INPt submenu is used to program all the characteristics of the input sensor and any signal conditioning that may be required The selection of an option in the list may affect items further down Therefore during programming the user should start at the top of the menu and work down to avoid setting an option which may later become obsolete Short menu only items shown in bold OPTIONS DETAIL 60V 550V 6A Input Type selection 888 8 88 88 8 888 8888 Defines decimal point location User defined scale Multiplying factor applied to input AC DC AC DC Selector nonE 2 5 10 5
11. r the equipment Wires are retained by screws Ensure that the exposed section of the wire is fully inserted and that no loose strands are exposed To minimise potential noise problems power the indicator from the same power branch or phase as that at the signal source 4 0 PROGRAMMING THE INSTRUMENT The unit is a microprocessor based instrument enabling it to satisfy a variety of applications All programming is available from the front panel or via a PC using the RS485 Modbus communications pod 4 1 Programming Guide The unit has three operating modes These are RUN DISPLAYS PROCESS VARIABLE MENU EDIT RUN is the principal mode of operation which displays the Process Variable from which all other modes are accessed The unit will always time out back to this mode after one minute MENU mode provides access to the programmable parameters EDIT mode is entered from Menu Mode and allows the user to inspect and modify a parameter 4 2 Key Definitions All programming is done using the three front panel keys A B and C are shown to assist the tutorial CYCLE A SHIFT B and INC C keys are pressed singularly ESCAPE A amp B ENTER B amp C and CLEAR A amp C are obtained by simultaneously pressing the two keys 3 0 INSTALLATION THIS SECTION FOR USE BY COMPETENT PERSONNEL ONLY 3 1 Safety Information WARNING READ SAFETY INFORMATION BELOW BEFORE INSTALLATION WARNING Hazardous voltages may
Download Pdf Manuals
Related Search