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TA2-A000-031 Datasheet(PDF) 9 Page - Magnetrol International, Inc. |
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TA2-A000-031 Datasheet(HTML) 9 Page - Magnetrol International, Inc. |
9 / 72 page F1 TEST F2 TEST POWER LOOP2 OUTPUT 100-264 VAC DC INPUT + - P- A+ P- LOOP1/HART OUTPUT PULSE/ P+ P- 50/ 60Hz INPUT AC A- P+ A- P+ A+ ALARM TB3 D6 TB4 TB2 TB5 R1 F1 TB1 AC Power input (100 – 264 VAC) TB1 DC Power input (11.6 – 29 VDC) TB2 Analog Output 1 Active or Passive connections TB3 Pulse/Alarm Output Active or Passive connections TB4 Analog Output 2 Passive connections only TB5 9 54-631 Thermatel Model TA2 Transmitter Figure 7 Wiring Housing Cover Figure 8 Wiring Connections Input Wiring Board Wiring Compartment 2.4 Wiring There are two connections in the electronics enclosure for 3 ⁄4" NPT or M20 connections. These are generally used as one connection for input power and one for output signal. 2.4.1 Power and Signal Connection The instrument has separate wiring connections for AC (100 to 260 VAC) and DC ( 11.6 to 30 VDC). AC power wiring connections are made to terminal block TB1. DC Connec- tions are made to terminal block TB2. Refer to Figure 8. NOTE: The AC power terminal blocks accept 12–26 AWG wire and the DC power terminal blocks accept 14–26 AWG wire. Select wire size consistent with power requirements. The mA output and pulse also accept 14–26 AWG wire. For a maximum ambient temperature of 80° C use wiring rated up to 264 VAC and 105° C. For a maximum ambient of 70° C use wire rated up to 264 VAC and 95° C. Caution: OBSERVE ALL APPLICABLE ELECTRICAL CODES AND PROPER WIRING PROCEDURES. 1. Make sure the power source is turned off. 2. Unscrew and remove housing cover of wiring compartment. Refer to Figure 5. 3. Pull power supply and control wires through conduit connection. 4. Connect power leads to proper terminals. Refer to Figure 8. a. VAC (100 to 260 VAC) Make connections to TB1. Connect hot wire to terminal marked L1 and the second wire to the terminal marked L2. b. DC (11.6 to 30 VDC)–Make connections to TB2. Con- nect wires to terminals (+) and (-) on the terminal block. NOTE: The green screw in the rear of the housing should be used for earth ground. 7. Connect the 4-20 mA signal wiring to terminal block TB3. Refer to Section 2.4.3. 8. If the TA2 model has the optional pulse/alarm output, connect the signal wiring to terminal block TB4. Connections for both an active (powered) connection and a passive (requires external power supply) are provided. Refer to section 2.4.4. 9. The TA2 has the optional second mA output connect signal wiring to terminal block TB5. This output is a passive connection requiring an external power supply. 10. Replace housing cover. Installation is complete. Caution: In hazardous areas, do not apply power to the unit until the conduit is sealed and the enclosure cover is screwed down securely. NOTE: Install using Teflon® tape at all conduit entries (maximum 2 turns). |
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