Mitsubishi Electronics Q64TCTTN ユーザーズマニュアル

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This chapter describes the performance specifications of the Q64TCN, I/O signals transferred to/from the CPU 
module, and the specifications of the buffer memory.
For the general specifications of the Q64TCN, refer to the following.

QCPU User's Manual (Hardware Design, Maintenance and Inspection)

The following table lists the performance specifications of the Q64TCN.

Control output

Transistor output

Number of temperature input points

4 channels/module

Type of usable temperature sensors, the temperature 
measurement range, the resolution, and the effect from 
wiring resistance of 1



Accuracy

*1

Indication 
accuracy

Ambient temperature: 
25±5°C

Full scale × (±0.3%)

Ambient temperature: 0 to 
55°C

Full scale × (±0.7%)

Cold junction 
temperature 
compensation 
accuracy: 
(ambient 
temperature: 
0 to 55°C)

Temperature process 
value (PV): -100°C or 
more

Within ±1.0°C



Within ±1.0°C



Temperature process 
value (PV): -150 to -100°C

Within ±2.0°C

Within ±2.0°C

Temperature process 
value (PV): -200 to -150°C

Within ±3.0°C

Within ±3.0°C

Sampling cycle

500ms/4 channels (constant independently of the number of channels used)

Control output cycle

1 to 100s

Input impedance

1M



Input filter

0 to 100s (0: Input filter OFF)

Sensor correction value setting

-50.00 to 50.00%

Operation at sensor input disconnection

Upscale processing

Temperature control method

PID ON/OFF pulse or two-position control

PID constants range

PID constants setting

Can be set by auto tuning.

Proportional band (P)

0.0 to 1000.0% (0: Two-position control)

Integral time (I)

0 to 3600s (set 0 for P control and PD control.)

Derivative time (D)

0 to 3600s (set 0 for P control and PI control.)

Set value (SV) setting range

Within the temperature range set in the used thermocouple/platinum resistance 

thermometer to be used

Dead band setting range

0.1 to 10.0%