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TD1-2D00-030 データシート(PDF) 7 Page - Magnetrol International, Inc. |
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TD1-2D00-030 データシート(HTML) 7 Page - Magnetrol International, Inc. |
7 / 32 page 7 54-610 Thermatel Model TD1/TD2 Flow Level Switch 2.4.1 Relay Connections TD1/TD2: DPDT 8 amp at 120–250 VAC 8 amp at 30 VDC, 0.5 amp at 125 VDC resistive TD2 with Hermetically sealed relay: DPDT 1 amp at 28 VDC, 0.5 amp at 125 VDC resistive The switch may be configured so that the relay either energizes or de-energizes when the set point is reached. Locating the fail-safe switch in the LL position places the switch in a low level fail-safe (LLFS) position. This causes the relay to energize when the flow rate is higher than the set point or when the sensor is immersed. Locating the fail-safe switch in the HL position places the switch in a high level fail-safe (HLFS) position. This causes the relay to energize when the flow rate is less than the set point or when the sensor is dry. Refer to the following chart. Power Flow Level Fail-Safe Position Relay Coil Relay Terminal NC to CO NO to CO On High HLFS De-energized Closed Open LLFS Energized Open Closed On Low HLFS Energized Open Closed LLFS De-energized Closed Open Fail High HLFS De-energized Closed Open LLFS De-energized Closed Open Fail Low HLFS De-energized Closed Open LLFS De-energized Closed Open Chart Notes and Definitions 1. Equipment controlled by the Thermatel relay is assumed to be powered from one source, while the Thermatel unit itself is assumed to be powered from a different source. 2. “Fail” means a loss of power to the Thermatel unit. 3. HL means a flow rate or level which is above the adjusted set point. 4. LL means a flow rate or level which is less than the adjusted set point. 5. When the relay coil is de-energized, a connection is made between the terminals CO (common) and NC (normally closed), and there is no connection between CO and NO (normally open). 6. When the relay coil is energized, a connection is made between the terminals CO and NO, and there is no connection between CO and NC. |
同様の部品番号 - TD1-2D00-030 |
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同様の説明 - TD1-2D00-030 |
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