National Instruments FieldPoint FP-TB-10, Operating Instructions Manual

Page 1: ...ver a network refer to the user manual for the particular FieldPoint network module you are using with the dual channel system Features The FP TB 10 and the dual channel FieldPoint modules have the following features High granularity of system design with up to six dual channel I O modules per terminal base Any combination of I O types in each terminal base Independent isolation of each dual chann...

Page 2: ...onto the top of a 35 mm DIN rail and rotate the terminal base down onto the DIN rail as shown in the following figure Figure 2 Mounting the Terminal Base on a DIN Rail 3 Slide the terminal base along the DIN rail until its local bus connector mates with the connector of the terminal base or network module adjacent to it 4 Lock the terminal base to the DIN rail by pushing in the rail clip 5 Continu...

Page 3: ...a flathead screwdriver open the rail clip to the unlocked position 2 Snap the panel mount accessory onto the bottom of the terminal base as shown in the following figure Figure 4 Snapping the Panel Mount Accessory onto the Terminal Base 3 Lock the rail clip 4 Mount the FP TB 10 and panel mount accessory onto the desired surface You can drill pilot holes using the directions in the panel mount adap...

Page 4: ...oward the top Make sure that both legs of the module snap securely into place Figure 5 Installing a Dual Channel Module in the Terminal Base To remove a dual channel module squeeze the legs of the module together to unlock then pull from the terminal base Hot Plug and Play Live Insertion and Swapping of Modules You can install modules while the network module is powered and in operation Replacing ...

Page 5: ...ferent I O modules are listed in these instructions and are also printed on the sides of each of the I O modules In addition to these terminals are six pairs of terminals labeled V and C These V and C terminals are not directly connected to the dual channel modules but all of the V terminals are connected together and all of the C terminals are connected together You can use these terminals to con...

Page 6: ...e details on the operation and throughput of your particular network Power Requirement P The FP TB 10 and the dual channel modules are powered through the local backplane bus from the FieldPoint network module An FP TB 10 with I O modules may require more than the nominal power allocated to an I O module from the network module In some applications this power requirement could limit the number of ...

Page 7: ...ble filter with two settings 20 Hz bandwidth and 100 Hz bandwidth Each channel has 133 Ω input impedance On the FP AI C020 the two channels share a common reference point the b terminals On the FP AI C420 there is 400 kΩ of resistance between 1b and 2b Wire field devices so that current flows into the a terminals and out of the b terminals You can use the V and C terminals to connect loop power su...

Page 8: ...input modules that provide 12 bit resolution measurements Each channel has a programmable filter with two settings 20 Hz bandwidth and 2 kHz bandwidth The two channels share a common reference point the b terminals The a terminal for each channel is the positive input Note If your application requires channel to channel isolation use only one channel of each module Figure 8 Analog Voltage Input Mo...

Page 9: ...each module Figure 9 Thermocouple Input Module Signal Connections RTD Input Modules FP RTD PT100 FP RTD PT100 3 and FP RTD PT100 4 The FP RTD PT100 FP RTD PT100 3 and FP RTD PT100 4 are dual channel input modules for two three and four wire 100 Ω platinum RTDs respectively They provide 12 bit resolution measurements Each module is designed with the linearization curves of a DIN 43760 standard RTD ...

Page 10: ...onnections The FP RTD PT100 4 also has top mounted screw terminal connectors The wiring examples in the following figure use both channels on each module The bottom example is of a three wire RTD circuit Figure 11 Connecting Four Wire and Three Wire RTDs to the FP RTD PT100 4 1 1 C 3 wire RTD FP RTD PT100 3 100 µA 1 1a 1b 2 wire RTD FP RTD PT100 2 5 V 4 53 kΩ 2a 2b 2 2 2 C 1 1 C 4 wire RTD FP RTD ...

Page 11: ...les have internal loop power supplies that can drive loads of up to 500 Ω Wire your field devices so that current flows out of the a terminals and returns through the b terminals Note The a terminals serve as a common reference point for the two channels so if your application requires channel to channel isolation use only one channel of each module Figure 12 Connecting an Analog Current Output Mo...

Page 12: ...f your application requires channel to channel isolation use only one channel of each module Figure 13 Connecting an Analog Voltage Output Module to a Load Discrete Input Modules FP DI DC FP DI AC120 and FP DI AC240 The FP DI DC FP DI AC120 and FP DI AC240 are discrete input modules Each module has two isolated channels so applications requiring channel to channel isolation can use both channels o...

Page 13: ... to channel isolation you can use the V and C terminals to bus connect power supplies for discrete output field devices Figure 14 Connecting Sourcing and Sinking Devices to the FP DI DC Figure 15 Wiring Diagram for Discrete AC Input Modules FP DI DC 1a 1b 2a 2b Sourcing Device FP DI DC 1a 1b 2a 2b Sinking Device FP DI ACxxx 1a 1b Load VAC 25 70 Hz 2a 2b ...

Page 14: ...he ambient temperature and the module type see the Specifications section for more details Because each channel of the DC output modules is isolated each can be used with either sinking or sourcing devices These modules sink current into the a terminals and source current out of the b terminals The following figures show examples of this wiring The AC output modules have zero crossing triac style ...

Page 15: ...may contain hazardous voltages This section describes the isolation of the FP TB 10 and its compliance with international safety standards The field wiring connections are isolated from the backplane and the inter module communication bus The isolation is provided by the module which has optical and galvanic isolation barriers designed and tested to protect against transient fault voltages of up t...

Page 16: ...age wiring make sure that all wiring and connections meet applicable electrical codes and commonsense practices Mount terminal bases in an area position or cabinet that prevents accidental or unauthorized access to wiring that carries hazardous voltages The isolation of the FP TB 10 is certified as double insulated for normal operating voltages of 250 Vrms Do not use the FP TB 10 as the only isola...

Page 17: ...ance Voltage inputs 2 2 MΩ Current inputs 133 Ω Excitation current RTDs Four wire 100 µA Three wire 100 µA Two wire 550 µA Measurement bandwidth Voltage inputs 20 Hz or 2 kHz programmable Current inputs 20 Hz or 100 Hz Thermocouple inputs 20 Hz RTD inputs 15 Hz Step response time Voltage and current inputs 1 5 ms RTD inputs 42 ms Thermocouple inputs 100 ms Input protection Current inputs 38 mA Vol...

Page 18: ... FP AI V10 0 to 10 V 2 44 mV 0 075 250 µV 75 ppm FP AI V10B 10 V 4 88 mV 0 075 500 µV 75 ppm FP AI C020 0 to 20 mA 4 9 µA 0 075 0 5 µA 75 ppm FP AI C420 4 to 20 mA 3 9 µA 0 075 0 5 µA 75 ppm FP TC J 210 to 1200 C 346 to 2192 F 0 34 C 0 62 F 1 C 1 8 F 0 07 C 100 ppm 0 13 F 100 ppm FP TC K 100 to 1372 C 148 to 2501 F 0 36 C 0 65 F 1 C 1 8 F 0 07 C 100 ppm 0 13 F 100 ppm FP TC T 240 to 400 C 400 to 7...

Page 19: ...P AO C024 0 to 24 mA 5 9 mA 0 1 1 2 µA 100 ppm FP AO V5 0 to 5 V 1 2 mV 0 08 125 µV 100 ppm FP AO V5B 5 V 2 4 mV 0 08 250 µV 100 ppm FP AO V10 0 to 10 V 2 4 mV 0 06 250 µV 100 ppm FP AO V10B 10 V 4 9 mV 0 06 500 µV 100 ppm Temperature drift equals offset gain C Table 3 Discrete Input Characteristics FP DI DC FP DI AC120 FP DI AC240 Nominal input 5 to 24 VDC 120 VAC 240 VAC Voltage range 0 to 32 VD...

Page 20: ...120 FP DI AC240 60 mW Discrete output modules FP DO DC60 FP DO DC200 FP DO AC120 FP DO AC240 70 mW Table 4 Discrete Output Characteristics FP DO DC60 FP DO DC200 FP DO AC120 FP DO AC240 Voltage range 3 to 60 VDC 4 to 200 VDC 24 to 140 VAC 25 to 70 Hz 24 to 280 VAC 25 to 70 Hz Voltage drop 1 3 V at 0 75 A 1 75 V at 1 0 A 1 0 V at 0 5 A 1 0 V at 0 5 A Current rating per channel 0 75 A at 25 C 0 50 A...

Page 21: ...ules 40 to 70 C Storage temperature 40 to 85 C Mechanical Dimensions The following figure shows the mechanical dimensions of the FP TB 10 Dimensions are given in inches millimeters Figure 18 Mechanical Dimensions of the FP TB 10 Where to Go for Support For more information about setting up your FieldPoint system refer to these National Instruments documents Your FieldPoint network module user manu...

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