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4

Modular Temperature Controller for Gradient Temperature Control

 

EJ1G

Communications Specifications

Note: 1.

Connection from the EJ1C-EDU

2.

A special cable (EJ1C-CBLA050) must be purchased separately for the G3ZA connection.

3.

For the number of Units that can be connected, refer to 

“Connection Precautions”

 on page 9.

4.

When performing gradient temperature control, the number of control channels is limited by the group setting. For details, refer to 

“Gradient Group Settings”

 on page 11.

Current Transformer (CT) 
Rating

Characteristics of the Heater 
Burnout Alarm and Heater Short 
Alarm 

(TC2 Models Only)

Note: 1.

When the control output ON time is 100 ms or less, heater 
burnout detection and heater current measurement are not 
performed.

2.

When the control output OFF time is 100 ms or less, heater 
short alarm and leakage current measurement are not 
performed.

Item

Port A Terminal/ Port A Connector  

(See note 1.)

G3ZA Connection Port 

(See note 2.)

Transmission path connection

RS-485 (multipoint)

Communications method

RS-485 (two-wire, half duplex)

Synchronization method

Start-stop synchronization

Baud rate

38.4 kbps fixed

57.6 kbps fixed

Transmission code

ASCII

Data bit length

7 bits

Stop bit length

2 bits

Error detection

Vertical parity (even)

Block check character (BCC): with CompoWay/F

Flow control

None

Interface

RS-485

Retry function

None

Communications response wait time

1 to 99 ms (default: 1 ms)

---

Number of Units that can be connected in 
parallel (See notes 3 and 4.)

16 Units (model numbers with TC4: 64 channels, 
model numbers with TC2: 32 channels)
Communications connection via port A on the 
End Unit

8 Units (Communications connection via G3ZA 
port on the Basic Unit)

Dielectric 
strength

1,000 VAC for 1 min

Vibration 
resistance

50 Hz, 98 m/s

2

Weight

E54-CT1: Approx. 11.5 g, E54-CT3: Approx. 50 g

Accessories 
(E54-CT3 only)

Armatures (2), plugs (2)

Maximum 
heater current

100 A AC

Input current 
indication 
accuracy

±

5%FS 

±

1 digit max.

Heater 
burnout alarm 
setting range

0.1 to 99.9 A (in units of 0.1 A)
0.0 A: Heater burnout alarm output turns OFF.

100.0 A: Heater burnout alarm output turns ON.

Min. detection ON time: 100 ms (See note 1.)

Heater short 
alarm setting 
range

0.1 to 99.9 A (in units of 0.1 A)
0.0 A: Heater short alarm output turns ON.

100.0 A: Heater short alarm output turns OFF.

Min. detection OFF time: 100 ms (See note 2.)

Summary of Contents for EJ1C-EDUA-NFLK

Page 1: ... 2 Heating cooling control is not supported for gradient temperature control 3 When using the heater burnout alarm use a Current Transformer E54 CT1 or E54 CT3 sold separately Name Power supply voltage No of con trol points Control outputs 1 and 2 Control outputs 3 and 4 Auxiliary output Functions Communications functions Input type Terminal Model Heater burnout alarm Event inputs Basic Unit gradi...

Page 2: ... EJ1G TC2 Power supply voltage 24 VDC Operating voltage range 85 to 110 of rated voltage Power consumption 5 W max at maximum load 4 W max at maximum load Input See note Thermocouple K J T E L U N R S B W PLII ES1B Infrared Thermosensor 10 to 70 C 60 to 120 C 115 to 165 C 140 to 260 C Analog input 4 to 20 mA 0 to 20 mA 1 to 5 V 0 to 5 V 0 to 10 V Platinum resistance thermometer Pt100 JPt100 Input ...

Page 3: ...thermometer 1 of indication value PV or 2 C whichever is greater 1 digit max Analog input 1 FS 1 digit max Voltage variation influence See note 2 Proportional band P 0 1 to 999 9 EU in units of 0 1 EU See note 3 Integral time I 1 to 3 999 s in units of 1 s Derivative time D 0 0 to 999 9 s in units of 0 1 s Control period 0 5 s 1 to 99 s in units of 1 s Alarm output setting range 1 999 to 9 999 The...

Page 4: ...thod Start stop synchronization Baud rate 38 4 kbps fixed 57 6 kbps fixed Transmission code ASCII Data bit length 7 bits Stop bit length 2 bits Error detection Vertical parity even Block check character BCC with CompoWay F Flow control None Interface RS 485 Retry function None Communications response wait time 1 to 99 ms default 1 ms Number of Units that can be connected in parallel See notes 3 an...

Page 5: ...40 to 260 C 4 to 20 mA 0 to 20 mA 1 to 5 V 0 to 5 V 0 to 10 V Tem pera ture range C 2300 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 100 0 200 0 2300 Any of the following ranges by scaling 1999 to 9999 199 9 to 999 9 19 99 to 99 99 1 999 to 9 999 1800 1700 1700 1300 1300 1300 850 850 600 500 0 400 0 400 400 0 400 400 0 260 120 165 90 100 0 0 0 0 0 0 0 0 0 20 ...

Page 6: ...AC CS CJ Series Mitsubishi Electric MELSEC Q QnAS Series Control method 2 PID control with autotuning gradient temperature control with gradient tuning function Other functions 2 point input shift SP ramp manual manipulated variable manipulated variable limiter interference overshoot adjustment heater burnout alarm RUN STOP banks I O allocations etc Ambient temperature range Operating 10 C to 55 C...

Page 7: ...k character BCC with CompoWay F Flow control None Interface RS 485 RS 422 RS 232C See note 1 Retry function None Communications response wait time 1 to 99 ms default 5 ms Number of Units that can be connected in parallel See notes 2 and 3 16 Units model numbers with TC4 64 channels model numbers with TC2 32 channels End Unit EJ1C EDU Power supply voltage 24 VDC Operating voltage range 85 to 110 of...

Page 8: ...B C DEF GTC PC EJ1G HFU PLC EJ1G TC4 or EJ1G TC2 EJ1C EDU Port B Use port B for configurations with distributed placement Port A connector USB connection can be made with the E58 CIFQ1 sold separately CX Thermo for setting Port C SW2 SW1 ERROR OCC SD RD READY SW2 SW1 ERROR OCC SD RD READY SW2 SW1 ERROR OCC SD RD READY PC COM1 COM2 COM3 PWR RUN ERR ALM SW1 ON SW2 2 1 3 4 5 6 7 8 EJ1 TC4 0 1 2 3 4 5...

Page 9: ...5 6 7 8 EJ1 TC4 0 1 2 3 4 5 6 7 8 9 A B C DEF COM1 COM2 COM3 PWR RUN ERR ALM SW1 ON SW2 2 1 3 4 5 6 7 8 EJ1 HFU 0 1 2 3 4 5 6 7 8 9 A B C DEF COM1 COM2 COM3 PWR RUN ERR ALM SW1 ON SW2 2 1 3 4 5 6 7 8 EJ1 TC4 0 1 2 3 4 5 6 7 8 9 A B C DEF GTC EJ1G TC4 or EJ1G TC2 One HFU can manage up to 16 Basic Units when using the EJ1G TC4 4 channels x 16 Units 64 channels EJ1C EDU EJ1C EDU Port B Port B EJ1G HF...

Page 10: ...ted above but design changes and other factors may still prevent connection Confirm proper connect prior to building the system Power supply Transistor outputs 1 to 4 Communications Port B port C Functional isolation Power supply Transistor outputs 1 to 2 Communications Port A port B Functional isolation Input 1 Power supply Input 2 Communications Port A port B G3ZA Transistor outputs 3 and 4 Volt...

Page 11: ...HFU recognizes the following channels for the Basic Unit Allocation of Channels Inside the HFU Parameter Description Number of enabled groups Sets the total number of groups consisting of those performing gradient temperature control and those performing 2 PID control Initial Communications Unit No Sets the communications unit number for the group s initial channel Initial channel Sets the initial...

Page 12: ...sic Units TC2 or TC4 as manipulated variables General Flow of Gradient Operations Arrangement of Gradient Temperature Control Sensors Arrange the sensors sequentially to maximize the control performance within the gradient temperature control groups Examples for linear arrangement of heaters Examples for planar arrangement of heaters HFU channels Groups 1 1 2 3 4 Not usable 5 2 6 7 8 Not usable 9 ...

Page 13: ...1 2 To connect to a computer using the port A connector use an E58 CIFQ1 USB Serial Conversion Cable sold separately The Temperature Controller can be connected to a computer using USB 3 Terminals A10 and B10 are not used on models with screw less clamp terminals Do not connect anything to these terminals 12 VDC 12 VDC OUT4 OUT3 12 VDC 12 VDC OUT2 OUT1 B1 B2 B3 B4 B5 B6 B7 B8 B9 A1 A2 A3 A4 A5 A6 ...

Page 14: ...M3 Operation Indicators PWR RUN ERR ALM SW1 SW2 Operation Indicators Meaning PWR green Lights when the power is ON RUN There is no RUN indication printed on the Basic Unit ERR red Flashes or lights when an error occurs ALM red Lights when an alarm is activated COM 1 orange Flashes during communications via port A on the End Unit COM 2 orange Flashes when the EJ1G is in operation COM 3 orange Flash...

Page 15: ...d Temperature Controller SW2 SW1 1 0 1 2 3 4 5 6 7 8 9 A B C D E F OFF 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 ON 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 SW1 SW2 SW2 Meaning 2 to 6 Not used OFF 7 ON G3ZA in operation 8 Use when Units are distributed Refer to the operation manual for details SW2 Meaning 2 to 7 Not used OFF 8 EJ1G HFU NFLK OFF RS 485 is selected ON RS 232C is selecte...

Page 16: ...ox 3 dia 18 22 Approx 6 dia E54 CT3 Accessory Armature Plug 4 5 15 25 25 10 10 1000 500 See note 25 25 15 5 See note 35 0 3 7 3 0 15 27 0 15 1 Rail Mounting Equipment Order Separately DIN Rail PFP 100N PFP 50N Note The figures in parentheses are dimensions for the PFP 50N 50 11 5 10 M4 8 panhead screw M4 spring washer 4 8 1 3 1 8 1 10 6 2 1 8 35 5 35 3 End Plate PFP M Note Two screws are included ...

Page 17: ...URWN BVCD S G3PB Single Phase Ultra compact and slim model combined with a heat radiator Rated input voltage 12 to 24 VDC 240 VAC 15 A 25 A 35 A or 45 A 480 VAC 15 A 25 A 35 A or 45 A G3PB Three Phase Three phase batch control combined with heat radiator Rated input voltage 12 to 24 VDC 240 or 480 VAC 15 A 25 A 35 A or 45 A G3PA Ultra compact and slim model combined with a heat radiator Rated inpu...

Page 18: ...ng the product may occasionally damage internal components due to static electricity 15 Use a switch relay or other device with contacts to turn OFF the power supply quickly Gradually lowering the voltage of the power supply may result in incorrect outputs or memory errors 16 Do not touch the electronic components with your hands or subject them to shock when removing the terminal block 17 Connect...

Page 19: ... or connecting the thermocouple lead wire be sure to use compensating wires that match the thermocouple types 2 When extending or connecting the lead wire of the platinum resistance thermometer be sure to use wires that have low resistance and keep the resistance of the three lead wires the same 3 Mount the Temperature Controller so that it is horizontally level 4 If the measurement accuracy is lo...

Page 20: ...ire will be clamped when the screwdriver is removed Use crimp terminals for wiring that match the cross sectional area of the wiring material We recommend the following crimp terminals Weidmuller H sleeve series Connecting to the G3ZA EJ1G TC Refer to the G3ZA Instruction Manual for wiring methods 1 Lower the hooks 3 Press in on the Unit 2 Catch the upper hook onto the DIN Rail 4 Make sure the Uni...

Page 21: ...Modular Temperature Controller for Gradient Temperature Control EJ1G 21 ...

Page 22: ...22 Modular Temperature Controller for Gradient Temperature Control EJ1G ...

Page 23: ...Modular Temperature Controller for Gradient Temperature Control EJ1G 23 ...

Page 24: ...individual price of the product on which liability is asserted IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY REPAIR OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS OMRON S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED STORED INSTALLED AND MAINTAINED AND NOT SUBJECT TO CONTAMINATION ABUSE MISUSE OR INAPPROPRIATE MODIFICATION OR REPAIR Application Considerations SUITABILITY FOR USE O...

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