1 Product Introduction 
© Copyright Reserved Autonics Co., Ltd.    21 
1.4  Parts and Features 
1.4.1  Front Parts 
1.4.1.1  TM2 Series (2-channels) 
 
 
Indicating LED 
 
 
Indicating 
Initial power-on
※
1
 
Control   
output 
Alarm output 
Auto-
tuning 
※
2
 
N.O Alarm occurred  N.C Alarm occurred 
OFF(OPEN)  ON(CLOSE)  OFF(CLOSE)  ON(OPEN) 
PWR LED 
※
3
 
Green  Green  -  -  -  -  Green 
CH1 LED  2,400bps-Flickering  ON-Red  -  -  -  -  Flashes 
CH2 LED  4,800bps-Flickering  ON-Red  -  -  -  -  Flashes 
AL1 LED  9,600bps-Flickering 
ON-Yellow
※
4
 
Light OFF  Light ON  Light OFF  Light ON  OFF 
AL2 LED  19,200bps-Flickering 
ON-Yellow
※
5
 
Light OFF  Light ON  Light OFF  Light ON  OFF 
AL3 LED  38,400bps-Flickering  -  Light OFF  Light ON  Light OFF  Light ON  OFF 
AL4 LED  -  -  Light OFF  Light ON  Light OFF  Light ON  OFF 
  ※1: In case of initial power on, default communication speed will be flickering for 5 
sec (1 sec cycle). 
  ※2: Each CH□  LED will be flickering during auto tuning(1 sec cycle). 
  ※3: PWR LED will be flickering while communicating with external units(1 sec cycle). 
  ※4: Light ON when control type for CH1 is heating & cooling type and cooling output   
is provided(Alarm setting not available on AL1).