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MANUAL NO. 54

Model ETR-9040

Microprocessor Based

Limit Control

INSTRUCTION MANUAL

Содержание ETR-9040

Страница 1: ...MANUAL NO 54 Model ETR 9040 Microprocessor Based Limit Control INSTRUCTION MANUAL ...

Страница 2: ... an operating procedure or practice which if not correctly performed or adhered to could result in personal injury or damage to the product or system Do not proceed beyond a warning symbol until the indicated conditions are fully understood and met ...

Страница 3: ...ailable for one of the fol lowing functions alarm output RS 485 communica tions DC power supply output limit annunciator output or event input Alternative control output options also include SSR drive and triac The input signal is digi tized by using an 18 bit A to D converter Its fast sam pling rate 5 times second allows the ETR 9040 to control fast processes such as pressure and flow Digital com...

Страница 4: ...58 to 1832 F 3 6 F 50 to 1000 C 2 C K Chromel Alumel 58 to 2500 F 3 6 F 50 to 1370 C 2 C T Copper Constantan 454 to 752 F 3 6 F 270 to 400 C 2 C E Chromel Constantan 58 to 1382 F 3 6 F 50 to 750 C 2 C B Pt 30 RH Pt 6 RH 32 to 3272 F 5 4 F 0 to 1800 C 3 C R Pt 13 RH Pt 32 to 3182 F 3 6 F 0 to 1750 C 2 C S Pt 10 RH Pt 32 to 3182 F 3 6 F 0 to 1750 C 2 C N Nicrosil Nisil 58 to 2372 F 3 6 F 50 to 1300 ...

Страница 5: ...y Bit None Even or Odd Stop Bit 1 or 2 bits Communication Buffer 50 bytes Environmental Physical Operating Temperature 10 C to 50 C Storage Temperature 40 C to 60 C Humidity 0 to 90 RH non condensing Insulation Resistance 20 Mohms min at 500VDC Dielectric Strength 2000VAC 50 60Hz for 1minute Vibration Resistance 10 55Hz 10m s2 for 2 hours Shock Resistance 200m s2 20g Moldings Flame retardant Polyc...

Страница 6: ...ng verify the label for correct model num ber and options Switch off the power when checking Care must be taken to ensure that maximum voltage ratings specified in Section 3 on previous page are not exceeded It is recommended that power to these instruments be protected by fuses and circuit breakers rated at the minimum value possible All units should be installed inside a suitably ground ed metal...

Страница 7: ...rature Detector all leads connecting the RTD to the controller must be the same gauge and material If the RTD is a 3 wire device install the two common wires of the RTD to terminals 4 and 5 If a 2 wire RTD is to be used install a jumper between terminals 4 and 5 Figure 4 3 Rear Terminal Connections 5 1 2 3 4 5 6 7 8 9 10 F S O P1 Voltage C NO NC RTD T C Sensor Input V mA V Supply Volttage NO C Eve...

Страница 8: ...ase Heater Power Three Phase Delta Heater Load Contactor No Fuse Breaker Figure 4 4 Example of Wiring Connections for ETR 9040 4110 with Relay Output ETR 9040 4160 with Triac Output Figure 4 5 Example of Wiring Connections for ETR 9040 4110 with Relay Output ETR 9040 4160 with Triac Output 6 B B A 3 4 5 RTD Sensor Connections CAUTION SHOCK HAZARD Thermocouple Thermocouple ...

Страница 9: ...4120 with SSR Output 7 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 L N Temperature Control ETR 9090 132 Rear View Limit Control ETR 9040 411B Rear View Reset Button Mechanical Contactor Heater RED RED SSR Figure 4 7 Example of Wiring Limit Control ETR 9040 with a Manual Reset to Protect the Process Being Controlled by an ETR 9090 Thermocouple ...

Страница 10: ...device placing more than one thermocouple in parallel will provide an average temperature reading and produce better results in most air heated processes Proper sensor type is also a very important factor in obtaining precise measurements The sensor must have the correct temperature range to meet the process requirements In special processes the sensor might have to have different requirements suc...

Страница 11: ...4 20mA _ Two line Transmitter Figure 4 8 Relay or Triac Output Figure 4 9 DC Power Supply Output Figure 4 10 Pulsed Voltage to Drive SSR Set OUT2 DC Power Supply _ Caution To avoid damage do not use the DC Power Supply beyond its rating current Purchase the correct voltage to suit your external devices See ordering code in Section 2 Three line Transmitter or Sensor Bridge Type Sensor Figure 4 11 D...

Страница 12: ...10 1 2 3 4 5 6 7 8 9 10 Terminator 220 ohms 0 5W TX1 TX2 Max 247 units can be linked Shielded Twisted Pair Wire RS 485 TX1 TX2 PC RS 232 RS 485 to RS 232 Network Adaptor SNA10A or SNA10B TX1 TX2 DB9 Serial Cable Figure 4 12 RS 485 Wiring 10 ...

Страница 13: ...or is off 1 Reset the limit condition after the process is within the limit 2 Revert the display to the normal display 3 Reset the latching alarm once the alarm condition is removed 4 Rest the limit annunciator Press the RESET key for 4 seconds to enable up down key function also to reset the reference data Section 3 and the lock indicator will be extinguished However this function is disabled whe...

Страница 14: ...l PV T ABN Abnormal time Menu Overview Low scale value for linear input High scale value for linear input Address for digital communication Output 1 hysteresis value Setup Mode Press for 4 sec Process value or SAFE SP2 Value LSP1 Value HSP1 Value Process Value Set point 2 value Low limit set point 1 value High Limit set point 1 value NOTE 1 The flow charts show a complete listing of parameters For...

Страница 15: ...output 2 RS 485 Communication 3 Alarm output 4 Limit annunciator 5 Event Input ADDR Address Assignment of Digital COMM Low 1 High 255 Band Rate of Digital COMM 0 0 3 Kbits s 1 0 6 Kbits s 2 1 2 Kbits s 3 2 4 Kbits s 4 4 8 Kbits s 5 9 6 Kbits s 5 6 14 4 Kbits s 7 19 2 Kbits s 8 28 8 Kbits s 9 38 4 Kbits s Parity Bit of Digital COMM PARI 0 8 bit even parity 1 8 bit odd parity 0 2 8 bit none parity A...

Страница 16: ... Hidden if LO is selected for OUT1 LSP L Lower limit of LSP1 Hidden if HI is selected for OUT1 LSP H Upper limit of LSP1 Hidden if HI is selected for OUT1 HSP L and HSP H in set up menu are used to confine the adjustment range of HSP1 LSP L and LSP H are used to confine the adjustment range of LSP1 PV Shift In certain applications it is desirable to shift the indicated value from its actual value ...

Страница 17: ...he last UNLOCK operation The abnormal time displayed by which shows the total accumulated time in minutes that a process has been in an abnormal condition since the last UNLOCK operation The reference data values will be initiated as soon as the RESET key is pressed for 4 seconds UNLOCK operation After the UNLOCK operation the PV HI and PV LO values will start from the current process value and th...

Страница 18: ...f If the process goes below the low limit set point the relay will be de energized the OP1 indicator will go on and the dis play will show the process value After the process rises above the low limit set point and the RESET key is pressed or the remote reset input is applied the relay will be energized and the OP1 indi cator will go off High Low Limit Operation If Hi Lo is selected for OUT1 the u...

Страница 19: ...ill be energized and the OP2 indicator will be lit and remain unchanged until the REST key or remote reset input is applied RS 485 Communication Using a PC for data communication is the most econom ic way The signal is transmitted and received through the SP2 200 AL MD NORM AL HY 10 0 AL FN PV H A 17 There are two types of alarm modes that can be selected these are normal alarm and latching alarm ...

Страница 20: ... temperature the controlling value or the temperature at the sensor must be 375 degrees F Due to the design and position of the 18 DISPLAY BEFORE INPUT SHIFT PROCESS VALUE DISPLAYED DISPLAY AFTER INPUT SHIFT ADJUST SV TO 330 PROCESS VALUE DISPLAYED Figure 5 5 Display Shift components of the system the sensor could not be placed any closer to the work Thermal gradients different temperatures are co...

Страница 21: ...5 C 0 C temperature range Equipment needed for automatic calibration 1 A switching network SCANER 80 optional for auto matic calibration 2 A calibration fixture equipped with programming units optional for automatic calibration 3 A PC with calibration software ETR Net and Smart Network Adapter SNA10B optional for automatic cali bration Since each unit needs 30 minutes to warm up before calibration...

Страница 22: ...rence Line wires are improperly connected No voltage between line terminals Incorrect voltage between line terminals Connections to terminals are open missing or loose Thermocouple or RTD is open at tip Thermocouple or RTD lead is broken Shorted thermocouple or RTD leads Short across terminals Open or shorted heater circuit Open coil in external contactor Burned out line fuses Burned out relay ins...

Страница 23: ... values change by themselves Check sum error values in memory may have changed accidentally Analog portion or A D converter defective Thermocouple RTD or sensor defective Intermittent connection of sensor wiring Wrong sensor or thermocouple type Wrong input mode selected Analog portion A D converter defective Reversed input wiring of sensor No heater power output incorrect output device used Outpu...

Страница 24: ... Ogden Manufacturing Co 2003 OGDEN ETR ETR 9090 ETR 9200 and SMARTER LOGIC are Registered Trademarks of Ogden Manufacturing Co MARCA REGISTRADA Specifications subject to change without notice ...

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