Product Code PLC300-EP31T4  
Description PID Module, 4 TC × PID  
 
Physical Features
Dimensions (W×H×D) 71.2 × 80 × 62 mm  
Power Loss (dissipation) 1.7 W  
 
Power Consumption
From +5V (from I/O bus) 87 mA
From L+ 60 mA
L+  voltage range, class 2 or DC sensor supply 20.4～28.8 V DC
LED indicator 24 V DC Power Supply, ON=Normal, OFF=Power off;
SF: ON=Module Error, Flash=Input Signal Error, OFF=Normal
 
Analog Input Features
Input type Floating Thermocouple
Input range TC type:  K
Number of analog input points 4 points  
 
Isolation
Field to Logic
Field to 24 V DC
24V DC to logic		 500 V AC
500 V AC
500 V AC
Common mode input range (input channel to input channel) 120 V AC
Common mode rejection     >120 dB @120 V AC
 
Input Resolution
Temperature
Voltage		 0.1℃/0.1℉ 
15 bits plus sign
Measuring principle Sigma-Delta
Module update time for all channel 425 ms  
wire length to sensor, maximum 100 m
Wire loop resistance 100 Ω
Suppression of interference 85 Db @ 50 Hz / 60 Hz / 400 Hz
Data word format Voltage: -27648 to +27648
Input impedance ≥1 MΩ
Maximum input voltage 30 V DC
Input filter attenuation -3 dB @ 21 KHz
Basic error 0.1% FS (Voltage)
Repeatability 0.05% FS
Cold junction error ±1.5℃
24V DC supply voltage range 20.4 to 28.8 V DC
Diagnostic program LED: EXTF: SF
 
PID Features
PID  arithmetic PID+FUZZY argument auto-tuning
Sampling time 1 second
Minimum output pulse time 10 ms
PID type P, PI, PD, PID
PID output type Analog or PWM
PID output polarity Bipolar or unipolar