YOKOGAWA WT310 - Chapter 7 Specifications; Input Specifications

7-1
IM WT310-02EN
Specifications
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5
6
7
App
Index
7.1 Input
Item Specifications
Input terminal type Voltage
Plug-in terminal (safety terminal)
Current
• Direct input: Large binding post
• External current sensor input (option): isolated BNC connector
Input format Voltage
Floating input through resistive voltage divider
Current
Floating input through shunt
Measurement range V
oltage
Crest factor 3: 15 V, 30 V, 60 V, 150 V, 300 V, 600 V
Crest factor 6: 7.5 V, 15 V, 30 V, 75 V, 150 V, 300 V
Current
•
Direct input
• Crest factor 3:
• WT310/WT332/WT333: 0.5 A, 1
A, 2 A, 5 A, 10 A, 20 A
• WT310 Only: 5 mA, 10 mA, 20 mA, 50 mA, 100 mA, 200 mA
• WT310HC: 1 A, 2 A, 5 A, 10 A, 20 A, 40 A
• Crest factor 6:
• WT310/WT332/WT333: 0.25 A, 0.5 A, 1 A, 2.5 A, 5 A, 10 A
• WT310 Only: 2.5 mA, 5 mA, 10 mA, 25 mA, 50 mA, 100 mA
• WT310HC: 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:
EX1 “1.25 V, 2.5 V, 5 V” or
EX2 “25 mV, 50 mV, 100 mV, 250 mV, 500 mV, 1 V”
Input impedance Voltage
Inputresistance:Approx.
2MΩ,inputcapacitance:Approx.13pFinparallelwiththeresistance
Current
• Direct input
• WT332/WT333
Crest factor 3: 0.5 A, 1 A, 2 A, 5 A, 10 A, 20 A
Crest factor 6: 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
• WT310
Crest factor 3: 0.5 A, 1 A, 2 A, 5 A, 10 A, 20 A
Crest factor 6: 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
• WT310
Crest factor 3: 5 mA, 10 mA, 20 mA, 50 mA, 100 mA, 200 mA
Crest factor 6: 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
• WT310HC
Crest factor 3: 1 A, 2 A, 5 A, 10 A, 20 A, 40 A
Crest factor 6: 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: 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: 25 mV, 50 mV, 100 mV, 250 mV, 500 mV, 1 V
Inputresistance:Approx.20kΩ
Chapter 7 Specifications