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2-9 Data Communication

2-9 Data Communication

Figure 2.18 RS-485 Wiring

Figure 2.18 RS-485 Wiring

RS-232

PC

9-pin
RS-232
port

9-pin
RS-232
port

Figure 2.19
RS-232 Wiring

Figure 2.19
RS-232 Wiring

CC94-1

TXD

RXD

COM

12

13

11

1

2

3

4

5

6

7

8

9

TX1

RD

TX2

TD

COM

GND

Female DB-9

Female DB-9

To DTE ( PC ) RS-232 Port

To DTE ( PC ) RS-232 Port

1 DCD
2 RD
3 TD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI

1 DCD
2 RD
3 TD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI

Figure 2.20
Configuration of RS-232 Cable

Figure 2.20
Configuration of RS-232 Cable

TXD

RXD

COM

12

13

11

Using RS-232 communications as shown above right, a special cable CC-94-1 should be used. The other option is
to configure a 9 pin serial cable as shown below.

Using RS-232 communications as shown above right, a special cable CC-94-1 should be used. The other option is
to configure a 9 pin serial cable as shown below.

18

ETR-3000

TX1

TX1

TX1

TX2

TX2

TX2

Terminating Resistor
220 ohms / 0.5W

Terminating Resistor
220 ohms / 0.5W

Max. 247 units can be linked

Max. 247 units can be linked

RS-232

SNA10A or
SNA10B

SNA10A or
SNA10B

RS-485 to RS-232
network adaptor

RS-485 to RS-232
network adaptor

Shielded Twisted-Pair Wire

Shielded Twisted-Pair Wire

12

13

TX1

TX2

12

13

12

13

ETR-3000

ETR-3000

ETR-3000

RS-485

PC

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Содержание ETR-3000

Страница 1: ...PK486 OMC59 SOFTWARE VERSION 33 16 and HIGHER INSTRUCTION MANUAL Model ETR 3000 AUTOMATIC TUNING 1 32 DIN SMARTER LOGIC Controller SMARTER SMARTER LOGIC LOGIC LOGIC...

Страница 2: ...or ETR 3 which will shut down the equipment at a preset process condition in order to preclude any possible damage to individual components or system It is strongly recommended that a process incorpor...

Страница 3: ...tallation Guidlines 15 2 6 Sensor Input Wiring 15 2 7 Control Output Wiring 16 2 8 Alarm Wiring 17 2 9 Data Communication 18 3 1 Lockout 19 3 2 Signal Input 19 3 3 Control Outputs 20 3 4 Alarm 22 3 5...

Страница 4: ...fast processes Digital communications RS 485 or RS 232 are available as an additional option This option allows the units to be integrated with a supervisory control system and or software A programm...

Страница 5: ...new system A clever algorithm is provided to obtain an optimal set of control parameters for the process The Auto tune feature can be applied either as the process is warming up cold start or as the p...

Страница 6: ...S 485 or RS 422 to RS 232 network SNA10A Smart Network Adaptor for third party software which converts 255 channels of RS 485 or RS 422 to RS 232 Network SNA10A Smart Network Adaptor for third party s...

Страница 7: ...is used to increase the value of a selected parameter This key is used to decrease the value of a selected parameter This key is used to 1 Revert the controllers display back to the process value or s...

Страница 8: ...h it displays the Program code and version of the controller The left diagram shows program no 34 for an ETR 3000 version 16 Displays the program code of the product for 2 5 seconds Figure 1 4 Display...

Страница 9: ...3 seconds then release to enter the calibration menu 1 2 2 sec LOCK INPT UNIT DP INLO SP1L INHI SP1H SHIF FILT DISP OUT1 O1TY O1FT O1HY CYC1 PB TI TD OFST RAMP RR OUT2 O2TY O2FT O2HY CYC2 CPB DB ALMD...

Страница 10: ...0 J type T C Range UNIT Input unit selection 0 Degree C unit 1 Degree F unit 2 Process unit 0 1 DP Decimal point selection 1 0 No decimal point 1 1 decimal digit 2 2 decimal digits 3 3 decimal digits...

Страница 11: ...m 6 Process High Alarm 7 Process Low Alarm 8 Cooling PID Function 2 RAMP Ramp function selection 0 No Function 1 Use unit minute 2 Use unit hour 0 1 Dwell timer action 4 Deviation out of band Alarm 5...

Страница 12: ...Retransmission low scale value Low 19999 High 45536 0 0 C 32 0 F REHI Retransmission high scale value Low 19999 High 45536 212 0 F 100 0 C SEL1 Select 1 st parameter for user menu 0 No parameter sele...

Страница 13: ...n the model number serial number and date code for future reference when corresponding with our service center The serial number S N and date code D C are labeled on the box and the housing of control...

Страница 14: ...r while checking Care must be taken to ensure that maximum voltage rating specified on the label are not exceeded It is recommended that power of these units to be protected by fuses or circuit breake...

Страница 15: ...more than one thermocouple in parallel can provide an average temperature readout and produce better results in most air heated processes Proper sensor installation can eliminate many problems in a co...

Страница 16: ...Heater Load Three Phase Delta Heater Load Contactor 5 6 _ Load 120V 240V Main Supply 120V 240V Main Supply SSR 30mA 14Vdc or 30mA 5Vdc Pulsed Voltage 30mA 14Vdc or 30mA 5Vdc Pulsed Voltage Internal Ci...

Страница 17: ...l Circuit Internal Circuit 5V 0V 33 33 _ _ 3 4 Maximum Load 500 ohms Maximum Load 500 ohms 0 20mA 4 20mA 0 20mA 4 20mA _ Load 3 4 Figure 2 15 Output 2 Linear Voltage Figure 2 15 Output 2 Linear Voltag...

Страница 18: ...XD RXD COM 12 13 11 Using RS 232 communications as shown above right a special cable CC 94 1 should be used The other option is to configure a 9 pin serial cable as shown below Using RS 232 communicat...

Страница 19: ...e PV INLO SL SH S input signal Figure 3 1 Conversion Curve for Linear Type Process Value Figure 3 1 Conversion Curve for Linear Type Process Value Formula PV INLO INH INLO Formula PV INLO INH INLO S S...

Страница 20: ...nual reset if PB is not equal to 0 OFST is measured by with range 0 100 0 In the steady state ie process has been stabilized if the process value is lower than the set point by a definite value say 5...

Страница 21: ...of PB with range 50 300 Initially set 100 for CPB and examine the cooling effect If cooling action should be enhanced then decrease CPB if cooling action is too strong then increase CPB The value of C...

Страница 22: ...iation band alarm SV SP2 SV SP2 DB HI DB LO A presets two trigger levels relative to the set point The two trigger levels are and for alarm When the process is higher than SV SP2 or lower than SV SP2...

Страница 23: ...n as failure mode manual control mode the auto tuning mode or the calibration mode is entered Example without Dwell Timer Example without Dwell Timer Select MINR for RAMP selects C for UNIT selects 1...

Страница 24: ...Heater Adjust SHIF SHIF 35 C Supply more heat 200 C C Heat Transfer 235 C Sensor Subject Heater Display is stable SHIF 35 C PV SV Figure 3 7 PV Shift Application Figure 3 7 PV Shift Application Here i...

Страница 25: ...form the failure transfer function as the controller enters failure mode Output 2 Failure Transfer if activated will perform 1 If OUT2 is configured as COOL and BPLS is selected for O2FT then output 2...

Страница 26: ...rating value or a lower value if overshooting beyond the normal process value is likely to cause damage NOTE NOTE The ramping function if used will be disabled once auto tuning is initiated The rampin...

Страница 27: ...Oscillations Slow Response or Oscillations Instability or Oscillations Instability or Oscillations High Overshoot High Overshoot Decrease PB Decrease PB Increase PB Increase PB Decrease TI Decrease TI...

Страница 28: ...5 port a network adaptor such as has to be used to convert RS 485 to RS 232 for a PC if RS 485 is required for the data communication But there is no need to be sad Many RS 485 units up to 247 units c...

Страница 29: ...imer ALM Heater T C Oven 6 4 3 OUT1 Set SP1 150 0 SP2 30 0 SP1 150 0 SP2 30 0 4 1 Heat Only Control with Dwell Timer 4 1 Heat Only Control with Dwell Timer An oven is designed to dry products at 150 d...

Страница 30: ...efrigerator at a temperature below 0 The temperature is lower than the ambient therefore a cooling action is required Select DIRT for OUT1 Since output 1 is used to drive a magnetic contactor O1TY sho...

Страница 31: ...media instead of oil the CPB is set at 250 If air is used as cooling media instead of oil the CPB is set at 100 Adjustment of DB is dependent on the system requirements More positive value of DB will...

Страница 32: ...nce the controller needs 30 minutes to warm up an unit before calibration calibrating the unit one by one is quite inefficient An automatic calibration system for numerous quantities is available upon...

Страница 33: ...st 20 minutes in still air room room temperature 25 3 C Figure 5 2 Cold Junction Calibration Setup Figure 5 2 Cold Junction Calibration Setup 9 10 K K 5520A Calibrator 5520A Calibrator K TC The 5520A...

Страница 34: ...modification and recalibration procedures for a linear voltage or a linear current input 1 Remove R60 3 3K and install two 1 4 W resistors RA and RB on the control board with the recommended values s...

Страница 35: ...cond for 4 20 mA and 1 5 V inputs Resolution Sampling Rate Maximum Rating Temperature Effect Sensor Lead Resistance Effect 18 bits 5 times second 2 VDC minimum 12 VDC maximum 1 minute for mA input 1 5...

Страница 36: ...0 C 346 F 1292 F 210 C 700 C 346 F 1292 F 8mV 70mV 3mA 27mA 1 3V 11 5V 0 05 0 05 0 05 0 05 70 5 1 3 K 1 3 K 1 3 K 1 3 K 1 3 K 1 3 K 650 K 650 K 2 2 M 2 2 M 2 2 M 2 2 M 2 2 M 2 2 M 2 2 M 2 2 M 2 2 M 2...

Страница 37: ...viation High Low Alarm Deviation Band High Low Alarm PV High Low Alarm PID cooling control Normal Latching Hold Latching Hold 0 1 4553 6 minutes Output 2 Functions Alarm Mode Dwell Timer Dwell timer D...

Страница 38: ...and Cool MV2 Cold start and warm start Auto transfer to manual mode while sensor break or A D converter damage 0 900 0 F minute or 0 900 0 F hour ramp rate Digital Filter Digital Filter Function Time...

Страница 39: ...able to enforce such warranty it being understood Ogden shall have no obligation to initiate litigation unless Buyer undertakes to pay all cost and expenses therefor including but not limited to atto...

Страница 40: ...847 593 8050 Fax 847 593 8062 www ogdenmfg com Ogden Manufacturing Co 2004 OGDEN SMARTER LOGIC ETR and ETR 9000 are Registered Trademarks of Ogden Manufacturing Co MARCA REGISTRADA Specifications sub...

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