16 Modular Temperature Controller EJ1
■ Specification Settings
Switch Operation
• Check that the EJ1 is turned OFF before operating the switches.
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
EJ1N-HFU
SW2 SW1
1 2 0123456789ABCDEF
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
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
ON
21345678
SW1 SW2
SW2 Meaning
3 to 6 Not used (OFF)
7 ON: G3ZA in operation
8 Use when an HFU is used and Units are
distributed.
(Refer to the operation manual for details.)
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.)
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