245
Specifications Section 2-2
• The IOTC(––) instruction can be used to simplify programming when
using CX-Programmer version 2.0 or higher and a CQM1H CPU Unit with
a lot number of 0160 or later.
2-2 Specifications
General Specifications
The general specifications of the CQM1-TC20@/TC30@ conform to those of
the CQM1H/CQM1 Series.
Performance Specifications
Note 1. The accuracy of K and J thermocouples at or below –100 °C is ±2 °C ±1
digit max., and the accuracy of R and S thermocouples at or below 200
°C
Item Specification
Units for thermocouples
(CQM1-TC20@)
Units for platinum resistance
thermometers (CQM1-TC30@)
Sensor type (See previous page for
temperature ranges.)
K, J, T, L, R, S, B Pt100, JPt100
Number of control loops 2 loops or 4 loops (2-loop model has heater burnout alarm)
Control output NPN or PNP output with short-circuit protection
Power supply voltage: 24 VDC
+10%
/
–15%
Maximum switching capacity: 100 mA per output
Leakage current: 0.1 mA max.
Residual voltage: 0.8 V max.
Control mode ON/OFF control, advanced PID control (2 degrees of freedom), or manual oper-
ation
Setting and display accuracy °C Ranges
(Process value ±0.3% or ±1 °C, which-
ever is larger) ±1 digit max.
°F Ranges
(Process value ±0.3% or ±2 °F, wh ich-
ever is larger) ±1 digit max. (See note
1.)
The accuracy is given when the cold
junction compensator on the terminal
block is used. Always use the cold junc-
tion compensator on the terminal block.
(See note 2.)
0.1 °C Ranges
(Process value ±0.3% or ±0.8 °C,
whichever is larger) ±1 digit max.
0.1 °F Ranges
(Process value ±0.3% or ±1.6 °F,
whichever is larger) ±1 digit max. (See
note 1.)
0.01 °C Ranges
(Process value ±0.3% or ±0.5 °C,
whichever is larger) ±1 digit max.
Hysteresis adjustment 0.1 to 999.9 °C/°F (0.1°C/°F unit)
Proportional band 0.1 to 999.9 °C/°F (0.1°C/°F unit)
Derivative time 0 to 3,999 s (1 s unit)
Integral time 0 to 3,999 s (1 s unit)
Manual manipulated variable 0.0 to 100.0% (0.1% unit)
Control period 1 to 99 s (1 s unit)
Input shift value –99.9 to 999.9 °C/°F (0.1°C/°F unit) 0.1 °C Ranges
–99.9 to 999.9 °C/°F (0.1°C/°F unit)
0.01 °C Ranges
–9.99 to 99.99 °C/°F (0.01°C/°F unit)
Sampling period 0.5 s
Output refresh period 0.5 s
Current consumption 190 mA max. at 5 VDC
Weight 200 g max.
Dimensions 32 x 110 x 107 mm (W x H x D)