Chapter 7 Specifications; Input - YOKOGAWA WT332E User Manual

Chapter 7 Specifications
7.1

Input

Item
Input terminal type
Input format
Measurement range
Input impedance
IM WT310E-02EN
Specifications
Voltage
Plug-in terminal (safety terminal)
Current
• Direct input: Large binding post
• External current sensor input (option): isolated BNC
Voltage
Floating input through resistive voltage divider
Current
Floating input through shunt
Voltage
Crest factor 3: 15 V, 30 V, 60 V, 150 V, 300 V, 600 V
Crest factor 6 or 6A: 7.5 V, 15 V, 30 V, 75 V, 150 V, 300 V
Current
• Direct input
• Crest factor 3:
• WT310E/WT332E/WT333E: 0.5 A, 1 A, 2 A, 5 A, 10 A, 20 A
• WT310E Only: 5 mA, 10 mA, 20 mA, 50 mA, 100 mA, 200 mA
• WT310EH: 1 A, 2 A, 5 A, 10 A, 20 A, 40 A
• Crest factor 6 or 6A:
• WT310E/WT332E/WT333E: 0.25 A, 0.5 A, 1 A, 2.5 A, 5 A, 10 A
• WT310E Only: 2.5 mA, 5 mA, 10 mA, 25 mA, 50 mA, 100 mA
• WT310EH: 0.5 A, 1 A, 2.5 A, 5 A, 10 A, 20 A
• External current sensor input (/EX1, /EX2)
• Crest factor 3:
EX1 "2.5 V, 5 V, 10 V" or
EX2 "50 mV, 100 mV, 200 mV, 500 mV, 1 V, 2 V"
• Crest factor 6 or 6A:
EX1 "1.25 V, 2.5 V, 5 V" or
EX2 "25 mV, 50 mV, 100 mV, 250 mV, 500 mV, 1 V"
Voltage
Input resistance: Approx. 2 MΩ, input capacitance: Approx. 13 pF in parallel with the resistance
Current
• Direct input
• WT332E/WT333E
Crest factor 3: 0.5 A, 1 A, 2 A, 5 A, 10 A, 20 A
Crest factor 6 or 6A: 0.25 A, 0.5 A, 1 A, 2.5 A, 5 A, 10 A
Input resistance: Approx. 6 mΩ, input inductance : Approx.0.1 μH in series with the
resistance
• WT310E
Crest factor 3: 0.5 A, 1 A, 2 A, 5 A, 10 A, 20 A
Crest factor 6 or 6A: 0.25 A, 0.5 A, 1 A, 2.5 A, 5 A, 10 A
Input resistance: Approx. 6 mΩ + 10 mΩ (max)* Factory setting
Input inductance: Approx. 0.1 μH in series with the resistance
• WT310E
Crest factor 3: 5 mA, 10 mA, 20 mA, 50 mA, 100 mA, 200 mA
Crest factor 6 or 6A: 2.5 mA, 5 mA, 10 mA, 25 mA, 50 mA, 100 mA
Input resistance: Approx. 500 mΩ, input inductance : Approx.0.1 μH in series with the
resistance
• WT310EH
Crest factor 3: 1 A, 2 A, 5 A, 10 A, 20 A, 40 A
Crest factor 6 or 6A: 0.5 A, 1 A, 2.5 A, 5 A, 10 A, 20 A
Input resistance: Approx. 5 mΩ, input inductance : Approx.0.1 μH in series with the
resistance
• External current sensor input (/EX1):
Crest factor 3: 2.5 V, 5 V, 10 V
Crest factor 6 or 6A: 1.25 V, 2.5 V, 5 V
Input resistance: Approx. 100 kΩ
• External current sensor input (/EX2):
Crest factor 3: 50 mV, 100 mV, 200 mV, 500 mV, 1 V, 2 V
Crest factor 6 or 6A: 25 mV, 50 mV, 100 mV, 250 mV, 500 mV, 1 V
Input resistance: Approx. 20 kΩ
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7
App
Index
7-1