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TD1-2D00-030 データシート(PDF) 8 Page - Magnetrol International, Inc. |
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TD1-2D00-030 データシート(HTML) 8 Page - Magnetrol International, Inc. |
8 / 32 page 8 54-610 Thermatel Model TD1/TD2 Flow Level Switch 2.4.2 Remote Electronics Wiring (TD2 only) When using remote electronics, the sensor and electron- ic circuit board are contained in separate enclosures. A six conductor shielded cable is required for connection between the enclosures. The cable is routed to the electronic circuit board and connected to the green, 6-position terminal block (TB4). The cable’s six conductors are connected to terminals 1 through 6. The cable shield should be connected to the green ground screw in the sensor housing. If the cable is supplied by Magnetrol, then this connection is pre-wired at the circuit board. The user only needs to connect the wiring at the terminal connection on the sensor enclosure. If cable is supplied by user, remove bezel by placing screwdriver blade in slot in center of bezel and gently pull the handle away from the terminal strips. Then remove screws and lift out the electronic module. Attach the cable wiring as shown in Figure 8. The sensor enclosure includes a 6-position terminal block for connecting a shielded 6-conductor cable. The cable’s six conductors are connected to terminals 1 through 6 in the sensor enclosure. The cable shield is connected to the green ground screw. Refer to Figure 8 for the pin numbers. NOTE: The six conductors must be wired so that each terminal on the sensor terminal block TB4 (see Figure 8) is connected to its corresponding terminal on the electronic circuit board. Failure to do so will cause improper switch operation. 2.4.3 mA Output Wiring (TD2 only) The TD2 will output a mA signal which can be used for diagnostics or to provide trend indication from the switch. This mA output represents the sensor signal. The signal cannot be scaled by the user. The output is proportional to the flow rate. The range of outputs will vary for each unit due to differences in probes. The range of the mA output is also dependent upon the switch setting (section 2.5). The mA output can also be used for fault detection. In the event of a fault, the mA output will be greater than 22 mA if HLFS is selected or less than 3.6 mA if LLFS is selected. The mA output is isolated from the input power. Wiring of the mA output is shown in Figure 7 on page 6. Wiring should be 16 to 26 AWG. NOTE: Due to ATEX requirements, the mA output is not provided on the TD2-XD0X-XCX. Sensor Enclosure Figure 8 1 6 TB4 12 34 56 1 - white 2 - black 3 - red 4 - green 5 - orange 6 - blue Shield TD2 Electronics |
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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