National Instruments TB-2605 Скачать руководство пользователя страница 7 | Manualshive

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National Instruments TB-2605 Скачать руководство пользователя страница 7

©

National Instruments Corporation

7

TB-2605 Isothermal Terminal Block

Figure 5.

Connecting the TB-2605 to the Switch Card

Installing the Analog Bus Plug

Refer to Figure 6 as you perform the following steps to install the analog
bus plug. The cover should be attached to the terminal block before you
connect the analog bus plug because the plug screws into the cover
(the numbers in parentheses refer to items in Figure 6).

1.

With two terminal blocks connected to boards in adjacent slots,
connect the analog bus plug (3) into the analog bus connector (1)
of each terminal block.

2.

Tighten the screw (2) on the analog bus plug using the 0.10 in. slotted
screwdriver.

1

Terminal Block Mounting Screws

2

Module Screws

3

Switch Card

4

Switch Card Connector

1

1

2

3

2

4

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Содержание TB-2605

Страница 1: ...sothermal terminal block that consists of a printed circuit board with screw terminals The terminal block connects directly to the front panel I O connector of the NI 2501 or NI 2503 The terminal block can easily accommodate thermocouples resistance temperature detectors RTDs thermistors and voltage signals The TB 2605 features an isothermal construction to minimize the temperature gradients acros...

Страница 2: ...nt switch cards What You Need to Get Started You need the following to set up and use your terminal block One of the following PXI switch cards NI 2501 NI 2503 NI 2501 2503 User Manual TB 2605 isothermal terminal block 0 10 in slotted screwdriver No 1 Phillips screwdriver Wire cutters Wire insulation stripper Analog bus connectors to connect to multiple cards Signal Names The NI 2501 2503 has seve...

Страница 3: ... I O CONNECTOR 10 44 13 47 14 48 15 49 16 50 19 64 31 65 32 66 33 67 22 GND 52 18 09 43 01 35 02 36 03 37 04 38 30 53 20 54 21 55 23 57 27 61 51 17 41 42 05 39 06 40 11 45 12 46 24 58 25 59 28 62 29 63 26 60 COM2 COM2 CH39 CH15 CH38 CH14 CH37 CH13 CH36 CH12 CH35 CH3 CH26 CH2 CH25 CH1 CH24 CH0 1wireREF GND AB0 AB0 CH43 CH19 CH42 CH18 CH41 CH17 CH40 CH16 CH31 CH7 CH30 CH6 CH29 CH5 CH28 CH4 COM1 COM1...

Страница 4: ...ewdriver 5 Insert the stripped wires into the screw terminals Tighten the screws with the 0 10 in slotted screwdriver 6 Connect safety ground or shield wires to the chassis ground connection tab 7 using the provided solder lug 6 7 Tighten or replace the strain relief screws 10 8 Replace the terminal block cover 1 and tighten the cover screws 2 05 39 06 40 11 45 12 46 24 58 25 59 28 62 29 63 26 60 ...

Страница 5: ...gure 4 TB 2605 Parts Locator Diagram 1 Cover 2 Cover Screws captive 3 Strain Relief Bar 4 Chassis Connection Screws 5 Ground Lug Screw 6 Ground Solder Lug 7 Chassis Ground Tab 8 Connection to Switch Card 9 Analog Bus Connectors 10 Strain Relief Screws 1 2 8 4 4 9 10 7 6 5 3 ...

Страница 6: ...03 connector the numbers in parentheses refer to items in Figure 5 Note The TB 2605 terminal block must be installed on the NI 2501 2503 switch card after the card is installed in the chassis 1 Install the switch card 3 into the chassis and tighten the two module screws 2 2 Guide the terminal block onto the switch card connector 4 3 Tighten the two terminal block mounting screws 1 Caution The conn...

Страница 7: ...rminal block before you connect the analog bus plug because the plug screws into the cover the numbers in parentheses refer to items in Figure 6 1 With two terminal blocks connected to boards in adjacent slots connect the analog bus plug 3 into the analog bus connector 1 of each terminal block 2 Tighten the screw 2 on the analog bus plug using the 0 10 in slotted screwdriver 1 Terminal Block Mount...

Страница 8: ...the terminal block has two connectors for connecting to the analog bus The low voltage analog bus plug can be used to connect the analog buses of adjacent switch cards as shown in Figure 6 The signal connections for the analog bus are shown in Figure 7 1 Analog Bus Connector 2 Analog Bus Plug Screw 3 Analog Bus Plug 1 2 3 ...

Страница 9: ...ltage to cold junction temperature T C TK 273 15 where TK is the temperature in kelvin a 1 295361 x 10 3 b 2 343159 x 10 4 c 1 018703 x 10 7 RT resistance of the thermistor VTEMPOUT output voltage of the temperature sensor 1 Includes the combined effects of the temperature sensor accuracy and temperature difference between the temperature sensor and any screw terminal The temperature sensor accura...

Страница 10: ...ut channel of your measurement device The 200 mV range is designed to eliminate the necessity of changing a measurement device s signal range to measure the cold junction sensor while scanning thermocouples Use an average of a large number of samples to obtain the most accurate reading Noisy environments require more samples for greater accuracy Figure 8 shows the circuit diagram of the TB 2605 co...

Страница 11: ...0 cm 3 3 by 4 2 by 0 80 in Max voltage signal common mode Each input should remain within 30 Vrms or 60 VDC of ground and all other channels to eliminate the possibility of hazardous shock 1 Includes the combined effects of the temperature sensor accuracy and the temperature difference between the temperature sensor and any screw terminal The temperature sensor accuracy includes tolerances in all ...

Страница 12: ...nal Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies For patents covering National Instruments products refer to the appropriate location Help Patents in your software the patents txt file on your CD or ni com patents 1999 2007 National Instruments Corporation All rights reserved 372258B Nov07 ...

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