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AMALGAMATED INSTRUMENT PM4-RT8 Operation And Instruction Manual

Process monitor/controller
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PM4-RT8
Multi Input RTD
Process Monitor/Controller
Operation and Instruction Manual

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Summary of Contents for AMALGAMATED INSTRUMENT PM4-RT8

  • Page 1 PM4-RT8 Multi Input RTD Process Monitor/Controller Operation and Instruction Manual...

  • Page 2: Table Of Contents

    Cal i bra tion ....... 3 PM4-RT8 in puts & out puts ..... . . 3 Me chan i cal In stal la tion .

  • Page 3: In Tro Duc Tion

    The versatile PM4 has various front panel layout options, in some cases the pushbuttons may be located on the front panel as well as the standard rear panel configuration. The PM4-RT8 is available in 5, 6 or 5 digit plus bargraph LED display form.

  • Page 4: Me Chani Cal In Stal La Tion

    Me chani cal In stal la tion If a choice of mounting sites is available then choose a site as far away as possible from sources of electrical noise such as motors, generators, fluorescent lights, high voltage cables/bus bars etc. An IP65 access cover which may be installed on the panel and surrounds is available as an option to be used when mounting the instrument in damp/dusty positions.

  • Page 5: In Put/Out Put Con Figu Ra Tion

    In put/Out put Con figu ra tion If you need to al ter the in put or out put con figu ra tion pro ceed as fol lows: 1. Re move the plug in ter mi nals from the rear of the in stru ment 2.

  • Page 6: Elec Tri Cal In Stal La Tion

    Elec tri cal In stal la tion The PM4 Panel Meter is designed for continuous operation and no power switch is fitted to the unit. It is recommended that an external switch and fuse be provided to allow the unit to be removed for servicing. The plug in, screw type, terminal blocks allow for wires of up to 2.5mm to be fitted.

  • Page 7: Rtd Connection Ex Am Ples

    The power supply for the instrument is factory fitted and is of a fixed type. If you are unsure of the supply requirement for your instrument it can be determined by the model number on the instrument label:- PM4-RT8-240-..Requires 240VAC PM4-RT8-110-..

  • Page 8: Ex Pla Na Tion Of Func Tions

    Ex pla na tion of Func tions The PM4 setup and calibration functions are configured through a push button sequence. Two levels of access are provided for setting up and calibrating:- Front view of instrument FUNC mode (simple push button sequence) allows SETUP access to commonly set up functions such as alarm PUSHBUTTONS...

  • Page 9: Easy Alarm Re Lay Ad Just Ment Ac Cess Fa Cil Ity

    Easy alarm re lay ad just ment ac cess fa cil ity The PM4-RT8 has an easy alarm access facility which allows access to the alarm setpoints simply by pressing the F button at the front or rear of the instrument. The first setpoint will then appear and changes to this setpoint may be made to this setpoint via the ^ or v buttons.
  • Page 10 Function Range Description AxLo Value Alarm low setpoint - displays and sets the low setpoint value for the des ig nated alarm re lay. The low alarm setpoint may be dis abled by press ing the ^ and v pushbuttons si mul ta neously. When the alarm is dis abled the dis play will in di cate OFF .
  • Page 11 Function Range Description Ax.SP, Ax.SP, Relay operation independent setpoint or trailing setpoint - each alarm may be Ax.t1, Ax.t1, programmed to operate with an independent setpoint setting or may be linked Ax.t2 Ax.t2 (or trailing) to operate at a fixed difference to another relay setpoint. The etc.
  • Page 12 Function Range Description duLL 0 to 15 Remote display brightness - Displays and sets the level for remote input brightness switching, see R.INP function. When the remote input is set to duLL the remote input can be used to switch between the display brightness level set by the brGt function and the display brightness set by the duLL function.
  • Page 13 Function Range Description Bar graph display operation mode - seen only in bargraph display instruments. tYPE S.dot Allows selection of bargraph operation mode choices are: d.dot bAr - conventional solid bargraph display i.e. all LED’s illuminated when at full scale. e.g. when scaling the display use the bAr_ and bAr~ functions e.g. C.bAr bAr_ = 0 and bAr~ = 100 will give a bargraph with no segments lit at a 7 segment display reading of 0 and all segments lit with a 7 segment display...
  • Page 14 Function Range Description dig~ Value Scaled digital output high reading - seen only with digital output option. Refer to the separate “PM4 Panel Meter Optional Output Addendum” booklet supplied when this option is fitted. Accepts any valid display value. Determines the high scaling point for the b.SCL mode and has no effect on other modes.
  • Page 15 Function Range Description INPt 1 to 4 or Selects the number of input channels being used. Select 1 to 4 for three wire chnI 1 to 8 RTDs or 1 to 8 for two wire RTDs. For the purposes of correct display, relay operation &...
  • Page 16 Function Range Description SCAN 0 to Sets the time for which each channel display is held when SEt dISP is set to dLAY SCAN. If set to 0 the scanning operation will be disabled i.e. the display will not automatically scan and must be manually scanned using the ^ or v button.
  • Page 17 Function Range Description R.INP NONE, Remote input function - terminals 7 and 8 at the rear of the instrument are the P.HLd remote input terminals. When these pins are short circuited, via a pushbutton d.HLd or keyswitch the instrument will perform the selected remote input function. A message will flash to indicate which function has been selected when the remote input pins are short circuited.
  • Page 18 Function Range Description R.INP NONE, P.HLd - peak hold continued. continued P.HLd SPFN R.INP set to P.HLd d.HLd ChnI Lo , dIF1 Operates on the difference between channel 1 the remaining HiLo, channels e.g. when set to dIF1 if R.INP is set to P.HLd (peak SP.Ac, hold) then when the remote input is activated the inputs will be No.Ac,...
  • Page 19 Function Range Description R.INP NONE, Hi - peak memory. The peak value stored in memory will be displayed if the continued P.HLd remote input pins are short circuited, if the short circuit is momentary then the d.HLd display will return to normal measurement after 20 seconds. If the short circuit is held for 1 to 2 seconds or the power is removed from the instrument then the Lo , memory will be reset.
  • Page 20 Function Range Description R.INP NONE, SP.Ac - setpoint access only. This blocks access to any functions except the continued P.HLd alarm setpoint functions unless the remote input pins are short circuited or d.HLd entry is made via CAL mode. No.Ac - no access. This blocks access to all functions unless the remote input Lo , pins are short circuited or entry is made via CAL mode.
  • Page 21 Function Range Description HIGH, Alarm relay operation mode for relays 1, 2 etc. OPER, The following choices are available for alarm operation mode: AUGE, HIGH - relay operates from the highest input. e.g. if the A1Hifunction is set dIFF OPER to 100 then relay 1 will activate if the highest input is 100 or higher.
  • Page 22 Function Range Description REC2 HIGH, Analog retransmission mode for output 2 (only seen when dual analog retransmission option is fitted). Refer to REC function above for description. AUGE, dIFF, dIF1, ch1, ch2, ch3, ch4, ch5, ch6, ch7 or bAud 300, Set baud rate - seen only with serial output option.

  • Page 23: Er Ror Mes Sages

    5 .2 Er ror mes sages Display shows Ch1 GAIN Err, Ch2 GAIN Err etc. - this message may bee seen following an attempt to calibrate an input. The message indicates that the input resistance measured does not correspond to the scale value entered.

  • Page 24: Func Tion Ta Ble

    Func tion Ta ble Mean ing of De fault Re cord Your Ini tial dis play Next dis play dis play Set ting Set tings See fol low ing A x Lo Alarm low setpoint value Set point value or OFF ta ble See fol low ing A x Hi...
  • Page 25 Mean ing of De fault Re cord Your Ini tial dis play Next dis play dis play Set ting Set tings UCAL Ch1, Uncalibrate channel 1, CAL CLr UCAL Ch2 etc. channel 2 etc NONE, Hi, P button operation P.but NONE Lo , HiLo or A.cIr NONE, P.HLd, d.HLd, Hi, Lo ,...

  • Page 26: Speci Fi Ca Tions

    Speci fi ca tions 7 .1 Tech ni cal Speci fi ca tions In put Types: Up to 4 x 3 wire Pt100 RTD or Up to 4 x 3 wire Pt1000 RTD or Up to 8 x 2 wire Pt100 RTD or Up to 8 x 2 wire Pt1000 RTD Dis play res o lu tion: or 0.1...

  • Page 27: Guar An Tee And Ser Vice

    Guar an tee and Serv ice The product supplied with this manual is guaranteed against faulty workmanship for a period of 2 years from the date of dispatch. Our obligation assumed under this guarantee is limited to the replacement of parts which, by our examination, are proved to be defective and have not been misused, carelessly handled, defaced or damaged due to incorrect installation.

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