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This horizontal type nest to fit standard rack mounting dimension of JIS/EIA specifications is used to store relay I/O cards.
Features
  • Can store up to 16 (32 channels) relay I/O cards
  • Can make mixed store of relay I/O cards in one nest
  • Can connect nest with DCS by connector
  • Can connect with sequencer since necessary power to receive signal between nest and sequencer is supplied from the nest
  • Non-voltage contact of nest alarm terminal becomes ON when break of fuse in relay I/O cards

1 - 2 of 2 Part Numbers
RYH-31
RYH-31
  • Power Supply - 24 Vdc ± 10%
  • DCS Connection - Yokogawa Electric DCS Status Card ST2, ST3, ST4 Connection
RYH-32
RYH-32
  • Power Supply - 24 Vdc ± 10%
  • DCS Connection - Yokogawa Electric DCS Status Card ST5, ST6, ST7 Connection
1 - 2 of 2 Part Numbers

Specifications

Ambient Temperature Range

  • 0° to 50° C (32° to 122° F)

Electrical Connectors

  • M4 Screw Terminal

Humidity

  • 5 to 90 % Relative Humidity - Normal Operating Conditions
  • 5 to 95 % Relative Humidity, Non-Condensing - Operating Limit/Storage Conditions

Input

  • 16-Channels
  • 32-Channels

Insulation Resistance

  • 100 megaohms at 500 Vdc between Relay Drive 24 Vdc Power Supply, Voltage Contact Output Power Supply, Connector, Alarm Terminal, Ground

Mounting

  • M5 Screws
  • Rack Mounted
  • Wall Mounted

Operating Temperature

  • -10° to 60° C (14° to 140° F)

Output

  • 30 Vdc, 300 mA - Alarm Output Rating

Power Supply

  • 24 Vdc ± 10 % (Ripple Content Below 10 % Peak-to-Peak)
  • For Voltage Contact Output: < 125 Vac/dc
  • Load Current Capacity: 32-Channels (16 Output Cards) Total < 10 A

Storage Temperature

  • -40° to 70° C (-40° to 158° F)

Supply Voltage

  • 1,500 Vac/minute between Voltage Contact Power Supply, Alarm Contact Output, Connector (CN1.2.3), Power Supply, Ground - Withstand Voltage
  • 500 Vac/minute between Voltage Contact Power Supply, Alarm Contact Output, Connector (CN1.2.3), Power Supply, Ground - Withstand Voltage

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