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RY2 Relay Input Card
Brand: Yokogawa Electric Corporation
This unit receives wet contact signal from the field and outputs 2 contact signals (1 for use of DCS status card input and the other is re-transmit contact signal) isolated electrically from the field. One unit stores 2 channels.
Features- Output contact consists of 2 contacts; 1 for DCS contact and the other for re-transmit contact (transfer contact) of current capacity 1A
- The circuits between wet contact input signal and output signal is isolated electrically, isolated by means of photo-isolator
- Furnished with test switch convenient for debugging of DCS or checking operation and LED for status display
1 - 6 of 6 Part Numbers
RY2-10
- Input Signal - 100 Vac Wet Voltage Contacts (85-132 Vac)
- Test Switch - No Test Switch
RY2-11
- Input Signal - 100 Vac Wet Voltage Contacts (85-132 Vac)
- Test Switch - With Test Switch (AUT-OFF-ON)
RY2-20
- Input Signal - 200 Vac Wet Voltage Contacts (170-264 Vac)
- Test Switch - No Test Switch
RY2-21
- Input Signal - 200 Vac Wet Voltage Contacts (170-264 Vac)
- Test Switch - With Test Switch (AUT-OFF-ON)
RY2-30
- Input Signal - 24 Vdc Wet Voltage Contacts (24 Vdc ± 10%)
- Test Switch - No Test Switch
RY2-31
- Input Signal - 24 Vdc Wet Voltage Contacts (24 Vdc ± 10%)
- Test Switch - With Test Switch (AUT-OFF-ON)
1 - 6 of 6 Part Numbers
Specifications
Alarm
- Output of Dry Contact is Generated from Alarm Terminals of Nest when Power Fuse is OFF
Ambient Temperature Range
- 0° to 50° C (32° to 122° F)
Dissipation
- 50 mA at 24 Vdc - Current Dissipation
Electrical Connectors
- M3.5 Screw Terminal - Output-2 (Re-Transmit Output) & Input
Electrical Rating
- 0.2 A at 125 Vac, 0.5 A at Vdc - Output-2 Inductance Load
- 0.2 A at 30 Vdc - Output-1 (Both Resistance & Inductance Loads)
- 0.4 A at 125 Vac, 1 A at 30 Vdc - Output-2 Resistance Load
Humidity
- 5 to 90 % RH - Normal Operating Conditions
- 5 to 95 % RH, Non-Condensing - Operating Limit/Storage Conditions
Indication
- LED - Light on (Green) when Relay Magnetized
Insulation Resistance
- 100 MΩ at 500 Vdc between Input, Output-1, Output-2, Alarm Contact Output
Mounting
- Nest-Mounting
Operating Temperature
- -10° to 60° C (14° to 140° F)
Operating Voltages
- 125 Vdc - Max.
- 250 Vac - Max.
Output Format
- Relay Output
Power
- 0.5 A Alarm Fuse
Screw Material
- Nickel-Plated-Iron
Storage Temperature
- -40° to 70° C (-40° to 158° F)
Supply Voltage
- 1,500 Vac/minute between Input, Output-2, Output-1, Power Supply or Alarm Contacts - Withstanding Voltage
- 24 Vdc ± 10 % (Ripple Content Below 5 % Peak-to-Peak)
- 500 Vac/minute between Output, Alarm Contact, Power Supply - Withstanding Voltage
Torque
- Below 6.94 in/lb - Fastening Torque