EJ1

15

Nomenclature and Specification Settings

Part Names

Operation Indicators

EJ1N-TC2/TC4

EJ1N-HFU

@-NFL@

* Some time is required for the indicators to light after the power is turned ON.

Specification Settings

Switch Operation

• Check that the EJ1 is turned OFF before operating any switch

other than pin 6 of SW2. Settings are read only when power is

turned ON.

• Set the switches with a small flat-blade screwdriver. Do not set the

switches midway between settings.

• SW1 is set to 1 and SW2 pins are all set to OFF in the default

settings.

Setting the Unit Number

SW1 and SW2 are used together to set the unit number to between

00 and 63. The factory setting is unit number 01.

SW2 Settings

EJ1N-TC2/TC4

* Refer to the User's Manual (Cat. No. H142) for details.

Note: Make sure power to the Unit is turned OFF before making

settings for any pin other than pin 6.

Pin 6 can be turned ON or OFF while the power is ON.

EJ1N-HFU

@-NFL@

COM1

COM2

COM3

PWR

RUN

ERR

ALM

1

2

3

4 OUT

SW2

6

EJ1N-TC

SW1

ON

OPN

BCD

SW1

SW2

Operation

Indicators

COM1

COM2

COM3

Operation

Indicators

PWR 1

RUN 2

ERR 3

ALM 4

Operation Indicators

Meaning: When SW2

No. 6 is OFF

Meaning: When SW2

No. 6 is ON

PWR/1

green

Lights when the power is ON. Lit when output 1 is ON.

RUN/2

green

Lights during operation. Lit when output 2 is ON.

ERR/3

red

Flashes or lights when

an error occurs.

Lit when output 3 is ON.

ALM/4

red

Lights when an alarm is

activated.

Lit when output 4 is ON.

COM 1

orange

Flashes during communications via port A on the End Unit.

COM 2

orange

Flashes during communications via port B on the End Unit.

COM 3

orange

Flashes during communications with the G3ZA.

Operation Indicators

Meaning

PWR

green

Lit while the power is ON.

*

RUN

green

---

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 EJ1 system is in operation.

COM 3

orange

Flashes during communications via port C.

V1.2

V1.2

V1.2

V1.2

V1.2

SW2

SW1

1

2

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

OFF OFF

00

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

ON

OFF

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

OFF

ON

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

ON

ON

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

012

F

2

13 4 5 6 7 8

SW1SW2

SW2

Meaning

3

Set to ON when using the Modbus communications protocol for port B.

OFF: The setting value for port B communications protocol is used.

(default: Compoway/F)

*

ON: Modbus is used.

4 to 5

Set the baud rate of port B.

4 = OFF, 5 = OFF: The setting value for port B baud rate is used.

(default: 9.6 kbps)

*

4 = ON, 5 = OFF: 19.2 kbps

4 = OFF, 5 = ON: 38.4 kbps

4 = ON, 5 = ON:

115.2 kbps

6

Set to ON to display the output status on the operation indicators.

OFF: The operation status is displayed (PWR, RUN,

ERR, and ALM).

ON: The output status is displayed (outputs 1, 2, 3, and 4).

Note: Normally keep this pin set to OFF so that the

operation status can be checked.

7

ON: G3ZA Multi-channel Power Controller in operation

ON when using a G3PW Power Controller.

8

Use when EJ1N-HFU HFUs with Programless Communications

are used for distributed placement of Temperature Controllers.

OFF: Distributed placement not used. Or, HFUs with DeviceNet

Communications used for distributed placement.

ON: HFUs with Programless Communications used for

distributed placement.

SW2

Meaning

3 to 7

Not used (OFF)

8

• EJ1N-HFU@-NFLK

OFF: RS-485 is selected.

ON: RS-232C is selected.

• EJ1N-HFU@-NFL2

OFF (Not used.)

V1.2

V1.2

V1.2

V1.1