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General Specifications; Performance Specification - Hitachi EH-150 Series Instruction Manual

Resistance temperature detective input module, programmable logic controller
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General specifications

Item
Operating ambient temperature
Storage ambient temperature
Operating ambient humidity
Storage ambient humidity
Vibration resistance
Noise resistance
Insulation resistance
Dielectric withstand voltage
Grounding
Usage environment
Structure
Cooling

Performance specification

Item
Type
Supported RTD type
Number of channel
Selectable by the DIP switch
Temperature range
Selectable by the DIP switch
Resolution
Selectable by the DIP switch
Conversion time
Selectable by the DIP switch
Accuracy *1
Standard accuracy (25
Temperature coefficient
Measurement current
Diagnostic error
LED
(Wire breaking detection)
Conversion value
Input filter
Selectable by the DIP switch
Warm-up time *3
Isolation
Channel to internal circuit
Between channels
Weight
External wiring
Internal current consumption (5 V DC)
External power
Wiring
I/O assignment
Selectable by the DIP switch
*1 Example : Measuring under 380°C in ambient temperature 35°C.(under noise-free environment)
0.5°C (standard accuracy) + 0.1°C/°C (temperature coefficient) × 10 (difference to 25°C) = ±1.5°C
*2 Full scale is -200 to 850°C.
*3 It is the time for data to be stable after power on.
Specifications
Noise voltage 1,500 Vpp Noise pulse width 100 ns, 1µs
(Noise created by the noise simulator is applied across the power supply module's input terminals. This is
determined by this company's measuring method.)
Based on IEC61131-2
Static noise: 3,000 V at metal exposed area
20 MΩ or more between the AC external terminal and case ground (FE) terminal (based on 500 V DC)
1,500 V AC for 1 minute between the AC external terminal and case ground (FE) terminal
Class D grounding (ground with power supply module)
C conversion
-200 to 850
-40 to 60
C)
Twisted shield cable, wiring resistance Max. 5Ω (Max. 100m of 22AWG)
Specifications
0 to 55°C
-10 to 75°C
5 to 95 % RH (no condensation)
5 to 95 % RH (no condensation)
Conforms to IEC 60068-2-6
No corrosive gases, no excessive dust
Open, wall-mount type
Natural air cooling
Specification
EH-RTD8
PT100 / PT1000 (3-wire or 2-wire)
6 (3-wire) or 8 (2-wire)
-200 to 850°C or -40 to 60°C
F conversion
C : 0.1°C
-328 to 1562
C : 0.02°C
1.6s (all channels) or 0.5s (all channels)
Max. ±0.5°C (measured temperature under 380°C)
Max. ±0.8°C (measured temperature over 380°C)
±0.01% /
C (FS)*2 (±0.1°C / °C )
0.18mA
LED blinking at error channel
H7FFF
None or moving average 16 times
1 minute
Photo coupler
Not isolated
Approximately 0.15 kg
Removable terminal (M3)
Max. 300mA
None
X8W or X4W (PT4 compatible mode)
3
PT4 compatible
F : 0.1
F
-60 to 410
-25 to 45
C : 15 bits
C : 15 bits
NJI-613 (X)

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