1 Product Introduction 
 
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⑦  Alarm output (AL1, AL2) indicator: It turns ON when the alarm output is ON. 
⑧  Control output (OUT1, OUT2) indicator: It turns ON when the control output is ON. 
During cycle/phase controlling in SSRP function model (TK4□-□4S□)type, when MV is 
over 5.0%, it turns ON. 
※  To use current ouput, when MV is 0.0% in manual control, it turns OFF. Otherwise, it 
always turns ON. When MV is over 3.0% in auto control, it turns ON and when MV is 
below 2.0%, it turns OFF. 
⑨    key: It is used when switching auto control to manual control. 
※  TK4N/S/SP do not have the    key. The    key operates switching 
simultaneously. 
⑩    key: It is used when entering parameter group, returning to RUN mode, moving 
parameter, saving the set value. 
⑪    key: It is used when entering the set value changing mode and moving or 
changing up/down digit. 
⑫  Digital input key: When pressing the    keys for 3 sec. at the same time, it operates 
the function (RUN/STOP, alarm clear,auto tuning) set at digital input key [DI-K] in 
parameter 5 group. 
⑬  PC loader port: It is the PC loader port for serial communication to set parameter and 
monitoring by DAQMaster installed in PC. Use this for connecting SCM-US(USB to Serial 
converter, sold separately). 
⑭  Input selection switch: Used when switching sensor (TC, RTD) input  ↔  analog input(mV, 
V, mA) (only the previous models) 
 
 
7-Segment Display Characters 
A  B  C  D  E  F  G  H  I  J  K  L  M 
A  B  C  D  E  F  G  H  I  J  K  L  M 
 
N  O  P  Q  R  S  T  U  V  W  X  Y  Z 
N  O  P  Q  R  S  T  U  V  W  X  Y  Z 
 
0  1  2  3  4  5  6  7  8  9  0  `  / 
0  1  2  3  4  5  6  7  8  9  0  -1  /