Temperature

Temperature Monitoring module

The module, occupying a single slot, monitors four channels of temperature inputs.
As input conditions and other data that are needed for temperature monitoring are stored in the module, no parameter setup is required at system startup.

Details

Features

  • High accuracy, high resolution, high speed
    The input sampling period may be selected from 10ms, 100ms, or 200ms. The input conversion accuracy is ±0.1% of full scale, and the input resolution is 0.1℃ (using 5-digit representation). Low-resolution operation (using 4-digit representation) is also available.
  • Universal input
    The input type may be set to thermocouple, RTD, or DC voltage for each channel.
  • ToolBox for Temperature Monitoring Modules
    A dedicated ToolBox software is provided for this module. With this software, you can easily set up various parameters of the module and monitoring by following screen instructions.

Specifications

General Specifications

Item Specification
F3CX04-0H
Number of Channels 4 channels
Isolation Between input terminals and internal circuit Isolated (photocouplers, and capacitive / inductive coupling devices)
(tested for 1500 V AC voltage withstanding for 1 minute)
Between input terminals
Alarm types 4 types of alarm:
input upper limit alarm, input lower limit alarm
(with or without waiting for each of the above 2 alarms)
Number of alarm outputs (input relays) 4 points per channel (Only alarms 1 and 2 have input relays)
Alarm delay timer Yes
Warm-up time 30 minutes min.
Max. allowable ambient temperature change rate*1 10 ℃ /h max.
Mounting position Horizontal or inverted orientation not allowed
External connection 40-pin spring terminal block*2
External dimensions*3 28.9(W)×100(H)×104.2(D)mm
Current consumption 200 mA at 5 V DC
Weight 160 g
Surrounding air temperature range Operating : 0 to 55 ℃  
Storage    : -20 to 75 ℃
Surrounding humidity range Operating : 10 to 90% RH (non-condensing)
Storage  : 10 to 90% RH (non-condensing)
Surrounding atmosphere Must be free of corrosive gases, flammable gases or heavy dust.

*1 : The stated accuracy for the reference junction for thermocouple input deteriorates if the ambient temperature change exceeds this rate.
*2 : When wiring to this module, be sure to use the terminal block provided. The 40-pin spring terminal block (Part No.: T9113PL) for this module can be purchased separately as a spare part.
*3 : External dimensions excluding protrusions (for details, see the External Dimensions drawing).

Input Specifications

Item Specification
Input sampling period*1 10 ms, 100 ms, 200ms
Input types and ranges Universal input
Individual inputs separately configurable by software or collectively by hardware
Thermocouple input : 15 ranges
RTD input      : 9  ranges
DC voltage input  : 6 ranges
Burnout detection Thermocouples or RTDs are checked for burnout.
Up-scale, down-scale, or none may be selected.

Detection current

Thermocouple 100 nA max.
RTD 100 nA max.
Input insulation resistance 1 MΩ min.
Allowable signal source resistance

Thermocouple or DC mV input

250 Ω max.
DC voltage input 2 kΩ max.
Allowable wiring resistance RTD 10 Ω max per wire  (three wires must have the same resistance)
Measuring current RTD Approx. 250 μA
Reference junction compensation Thermocouple*2 ± 2.0 ℃ (0 to 55 ℃)
Allowable input voltage range -20 to 20 V DC
Noise reduction*3*4*5 Common mode 120 dB (50 / 60Hz)min.
Normal mode 40 dB (50 / 60Hz)min.

Effect of ambient temperature

± 0.01% / ℃ or ± 1μV / ℃, whichever is greater

*1 : You can select an input sampling period of 10 ms for 4 channels, 100 ms for 2 channels, 100 ms for 4 channels, or 200 ms for 4 channels.
*2 : This value assumes that all input terminals are correctly wired (that is, using ferrule, wire diameters and connections are correct).
*3 : This value assumes that the power supply frequency is correctly selected.
*4 : This module continues to operate at a input accuracy of ±0.5% max. of F.S. during the radiated electromagnetic field test.
*5 : This is the value when an input sampling period of 100ms or 200ms is selected. If 10ms is selected, 50/60 Hz noise canceling is not be enabled.

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