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AMALGAMATED INSTRUMENT PM4-RT8, Operation And Instruction Manual

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AMALGAMATED INSTRUMENT PM4-RT8 Operation And Instruction Manual Download Page 19

Function

Range

Description

R.INP

continued

NONE

,

 

P.HLd
d.HLd
Hi

,

Lo

 ,

HiLo

,

SP.Ac,
No.Ac,
CAL.S

,

duLL

or

A.cIr

Hi

 - peak memory. The peak value stored in memory will be displayed if the

remote input pins are short circuited, if the short circuit is momentary then the
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 
memory will be reset. Note if the operation is changed it is necessary to reset
the memory e.g. if changed from 

Hi 

to 

Lo

.

Lo

 - valley memory. The minimum value stored in memory will be displayed.

Otherwise operates in the same manner as the 

Hi

 function. Note if the

operation is changed it is necessary to reset the memory e.g. if changed from

Hi 

to 

Lo

.

HiLo

 - toggle between 

Hi

 and 

Lo

 displays. This function allows the remote

input to be used to toggle between peak and valley memory displays. The first
operation of the remote input will cause the peak memory value to be
displayed, the next operation will give a valley memory display. 

P Hi

 or 

P Lo

will flash before each display to give an indication of display type.

Page 19 of 27

PM4RT8MAN-1.4-0

SPFN 
ChnI

R.INP

 set to 

HiLo  

(See 

P.HLd

 for further description)

Operates as above 

Hi

 and 

Lo

 but will toggle between high and low

readings each time remote input is activated.

SPFN 
ChnI

R.INP

 set to 

Lo 

(See 

P.HLd

 for further description)

SCAN

Shows whichever channel is or has been the lowest

HIGH

Shows whichever channel is or has been the lowest

Lo

Shows whichever channel is or has been the lowest then only
changes if this  channel value decreases

AUGE

Shows the lowest average of all channels

dIFF

Shows the minimum difference between any channels

dIF1

Shows the minimum difference from channel 1

ch1

Shows channel 1 valley value

ch2

 to

ch 8

Shows selected channel number valley value

SPFN 
ChnI

R.INP

 set to 

Hi 

(See 

P.HLd

 for further description)

SCAN

Shows whichever channel is or has been the highest

HIGH

Shows whichever channel is or has been the highest

Lo

Shows whichever channel is or has been the lowest then only
changes if this  channel value increases

AUGE

Shows the highest average of all channels

dIFF

Shows the maximum difference between any channels

dIF1

Shows the maximum difference from channel 1

ch1

Shows channel 1 peak value

ch2

 to

ch 8

Shows selected channel number peak value

Summary of Contents for PM4-RT8

Page 1: ...PM4 RT8 Multi Input RTD Process Monitor Controller Operation and Instruction Manual ...

Page 2: ...6 RTD connection examples 7 Power supply connections 7 Relay connections 7 Remote input connections 7 Explanation of Functions 8 Easy alarm relay adjustment access facility 9 Error messages 23 Function Table 24 Specifications 26 Technical Specifications 26 Output Options 26 Physical Characteristics 26 Guarantee and Service 27 RT08 25F13 Page 2 of 27 PM4RT8MAN 1 4 0 ...

Page 3: ...s 1 1 Basic setup The steps below allow a basic setup for temperature display Refer to the Explanation of Functions chapter for a descriptionof the functionsmentioned belowand for a description of other functions which may be required The basic setup requirements to obtain temperature displays for each input are 1 Connect the inputs as shown in Electrical Installation chapter 2 Enter CAL mode as s...

Page 4: ...ilable as an option for panel mount instruments Prepare a panel cut out of 45mm x 92mm 1 mm 0 mm see diagram below Insert the instrument into the cut out from the front of the panel Then from the rear of the instrument fit the two mounting brackets into the recess provided see diagram below Whilst holding the bracket in place tighten the securing screws being careful not to over tighten as this ma...

Page 5: ... 2 Remove 4 x self tapping screws from back cover remove back cover by pulling it away from the instrument 3 Using a screwdriver remove the earth screw which passes through the case then slide out the board or boards 4 Configure the PCB links as required see appropriate chapter 5 Slide PCB back into the case 6 Replace the earth screw which passes through the case 7 Refit back cover and fix with th...

Page 6: ...rmation this indicates that the instrument is functioning Acknowledgement of correct operation may be obtained by applying an appropriate input to the instrument and observing the reading The use of screened cable is recommended for signal inputs For wiring details for optional outputs refer to the separate PM4 Panel Meter Optional Output Addendum booklet supplied when options are fitted Page 6 of...

Page 7: ...yas standard with connections on terminals 5 and 6 Extra relays are optionally available The relay is a single pole single throw type form A and is rated at 5A 240VAC into a resistive load The relay contact is voltage free and may be programmed for normally open or normally closed operation 4 4 Remote input connections Terminals 7 8 are the remote input terminals The operation selected by the R IN...

Page 8: ...ssages when the message is seen you can release the button Move to step 2 below 2 When the wake up messages have finished and the display has settled down to its normal reading press then release the button Move to step 3 below 1 When the wake up messages have finished and the display has settled down to its normal reading press then release the button 3 Within 2 seconds of releasing the button pr...

Page 9: ...ast one alarm must have asetpoint nothing will happen ifallthealarm setpoints are set to OFF 3 The SP AC function must be set to allow access to the relays required e g if set to A1 2 then the easy access will work only with alarm relays 1 and 2 even if more relays are fitted 4 The instrument must be in normal measure mode i e if the instrument is powered up so that it is in CAL mode then the easy...

Page 10: ...lay at around the setpoint value The hysteresis setting operates as follows In the high alarm mode once the alarm is activated the input must fall below the setpoint value minus the hysteresis value to reset the alarm e g if A1Hi is to 50 0 and A1Hy is set to 3 0 then the setpoint output relay will activate once the display value goes above 50 0 and will reset when the display value goes below 47 ...

Page 11: ...g on or off When set to OFF the relay will reset automatically when the display shows the input is not in alarm condition If a 5 digit display with alarm annunciators is used the annunciator will light solidly when the input is in alarm condition and will be extinguished when the relay resets If set to on the relay will latch when it is activated by an alarm condition and can only be manually rese...

Page 12: ...e of the instrument Note The bAr and bAr_ settings are referenced from the 7 segment display readings not the bargraph scale values The bargraph scale may scaled differently to the 7 segment display as shown on the right where bargraph scale is 0 to 100 yet the display is showing 675 3 In this example the bargraph scale may be indicating percentage fill of a tank whilst the 7 segment display is in...

Page 13: ...dle of the display If the seven segment display value is positive the bargraph will rise If the seven segment display value is negative then the bargraph will fall e g when scaling the display use the bAr_ and bAr functions e g bAr_ 0 and bAr 100 will give a bargraph with all the bottom half segments lit at a 7 segment display reading of 100 and all the top segments lit with a 7 segment display re...

Page 14: ...w value seen only when the dual analog retransmission option is fitted See REC_ function for description of operation See also REC2 function analog output 2 mode rEC Ch 2 Value Second analog recorder retransmission output high value seen only when the dual analog retransmission option is fitted See REC function for description of operation See also REC2 function analog output 2 mode dCPt 0 or 0 1 ...

Page 15: ...he letter A will then be displayed alongside the average value dIFF the difference between the highest and lowest temperatures will be displayed When scrolling through the displays using the or v button the message dIFF will be displayed prior to the reading and if ch r or ch L is selected at the dISPunit function the letter d will be displayed alongside the difference reading dIF1 the largest dif...

Page 16: ... will be a display message to indicate this when the F button has been pressed e g Ch1 CAL End UCAL Ch1 UCAL Ch 2 etc n a Uncalibration of selected channel used to set the selected channel back to the factory calibration values This function should only be used when calibration problems exist and it is necessary to clear the calibration memory To clear the memory press the and v buttons simultaneo...

Page 17: ...not show the channel number instead shows the letter H if the dISPunit function is set to show a channel number Lo Operates on the lowest of the inputs at the time e g when set to Lo if R INP is set to P HLd peak hold then when the remote input is activated the inputs will be scanned and the lowest of all the inputs will be displayed From then on the display will only change if this low channel va...

Page 18: ...HLd dIF1 Operates on the difference between channel 1 the remaining channels e g when set to dIF1 if R INP is set to P HLd peak hold then when the remote input is activated the inputs will be scanned and the largest difference between channel 1 and the remaining channels will be displayed from then on the display will show the maximum difference until the remote input is released The letter d will...

Page 19: ...ch display to give an indication of display type Page 19 of 27 PM4RT8MAN 1 4 0 SPFN ChnI R INP set to HiLo See P HLd for further description Operates as above Hi and Lo but will toggle between high and low readings each time remote input is activated SPFN ChnI R INP set to Lo See P HLd for further description SCAN Shows whichever channel is or has been the lowest HIGH Shows whichever channel is or...

Page 20: ...hing operation SPFN chnI SCAN HIGH Lo AUGE dIFF dIF1 ch1 ch2 to ch8 Remote or P button function mode of operation This function sets the operation mode for the remote input R INP function or P button P but function operation See R INP function for a description of the operation of the SPFNchnI functions ACCS OFF EASY NONE or ALL Access mode the access mode function ACCS has four possible settings ...

Page 21: ...el 1 ch1 ch2 etc relay operates from the selected channel e g If ch2 is chosen and the A1Hifunction is set to 100 then relay one will activate if channel 2 input is 100o or higher bAR HIGH Lo AUGE dIFF dIF1 ch1 ch2 ch3 ch4 ch5 ch6 ch7 or ch8 Bargraph operation mode applicable only to bargraph displays The following choices are available for bargraph operation mode HIGH bargraph indicates the highe...

Page 22: ...thout conversion to ASCII Cont Sends ASCII form of display data every time display is updated POLL Controlled by computer or PLC as host Host sends command via RS232 485 and instrument responds as requested A buS A special communications mode used with Windows compatible optionalPCdownload software Refer to the user manualsupplied with this optional software Addr 0 to 31 Set unit address for polle...

Page 23: ...d of this value if a 5 digit display is used In these circumstances it may be necessary to remove the display units C or reduce the resolution by setting no decimal point places Display shows NO ACCS or NO SPAC this message indicates that access to FUNC mode has been blocked by either the R INP function or the ACCS function Enter CAL mode and check the setting of these functions and alter if requi...

Page 24: ... bAr tYPE Bargraph operation mode bAr S dot d dot or C bAr bAr DGOP Digital output mode bcd b SCL bin or bin2 bin2 dG OP Digital retransmission output polarity A Lo or A Hi A Lo bcd Strt BCD retransmission start value Value in memory 0 dIG_ Scaled digital output low reading Value in memory 0 dIG Scaled digital output high reading Value in memory 1000 rEC_ Analog retransmission 1 output low limit V...

Page 25: ...IGH Lo AUGE dIFF dIF1 ch1 ch2 ch3 ch4 ch5 ch6 ch7 or ch8 HIGH REC Analog retransmission mode output 1 HIGH Lo AUGE dIFF dIF1 ch1 ch2 ch3 ch4 ch5 ch6 ch7 or ch8 HIGH REC2 Analog retransmission mode output 2 HIGH Lo AUGE dIFF dIF1 ch1 ch2 ch3 ch4 ch5 ch6 ch7 or ch8 HIGH bAUd RAtE Baud rate 300 600 1200 2400 4800 9600 19 2 or 38 4 9600 Prty Parity select NONE EUEN or ODD NONE O PUt Serial communicati...

Page 26: ...e supply type is factory configured Power Consumption AC supply 4 VA max DC supply depends on display type options Typical consumption for PM4 with no options is 100mA 12VDC and 50mA 24VDC Output standard 1 relay Form A Voltage free output rated 5A 240VAC resistive load Relay Action Programmable N O or N C 7 2 Output Options Extra Relays Same specs as Relay 1 up to 3 extra relays Analog Retransmis...

Page 27: ... manufacturer freight paid and if accepted for free repair will be returned to the customers address in Australia free of charge When returning the product for service or repair a full description of the fault and the mode of operation used when the product failed must be given In any event the manufacturer has no other obligation or liability beyond replacement or repair of this product Modificat...

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