National Instruments NI 9219, Getting Started

Page 1: ...NI 9219 Getting Started 2022 07 06...

Page 2: ...4 Wire Resistance and 4 Wire RTD Connections 12 3 Wire RTD Connections 12 Full Bridge Connections 12 Half Bridge Connections 13 Digital In Connections 13 Open Contact Connections 14 TEDS Connections...

Page 3: ...Open Contact Pinout 18 Where to Go Next 19 NI Services 19 National Instruments 3 NI 9219 Getting Started...

Page 4: ...nes Caution Observe all instructions and cautions in the user documentation Using the product in a manner not specified can damage the product and compromise the built in safety protection Attention S...

Page 5: ...s sur le m me produit Caution When product terminals are hazardous voltage LIVE you must ensure that devices and circuits connected to the product are properly insulated from human contact Attention L...

Page 6: ...Follow these guidelines if you are installing the NI 9219 in a potentially explosive environment Not following these guidelines may result in serious injury or death Caution Do not disconnect I O side...

Page 7: ...he system shall be mounted in an ATEX IECEx certified enclosure with a minimum ingress protection rating of at least IP54 as defined in IEC EN 60079 15 Caution The enclosure must have a door or cover...

Page 8: ...riate link Notice In order to meet the EMC requirements for marine applications install the product in a shielded enclosure with shielded and or filtered power and input output ports In addition take...

Page 9: ...EX HI EX LO 2 Wire Resistance T T HI LO Thermocouple T T HI LO 4 Wire RTD T T EX HI EX LO 3 Wire RTD T T EX EX LO Quarter Bridge T T HI LO Half Bridge T T EX HI EX Full Bridge T T EX HI EX LO DI T T H...

Page 10: ...ion Table 2 Signal Descriptions Measurement Types The NI 9219 provides modes for the following measurement types Voltage Current 4 Wire Resistance 2 Wire Resistance Thermocouple 4 Wire RTD 3 Wire RTD...

Page 11: ...e following guidelines to minimize thermal gradients and improve the system accuracy Use small gauge thermocouple wire Smaller wire transfers less heat to or from the terminal junction Avoid running t...

Page 12: ...mode or you insert remove modules Related reference Thermocouple Pinout 4 Wire Resistance and 4 Wire RTD Connections LO HI EX RTD Resistor EX Rwire Rwire Rwire Rwire NI 9219 Related reference 4 Wire R...

Page 13: ...Related reference Half Bridge Pinout Digital In Connections LO HI NI 9219 The digital in measurement type is only supported in CompactRIO systems Tip Visit ni com info and enter the Info Code 9219cda...

Page 14: ...act measurement type in CompactDAQ systems Related reference Open Contact Pinout TEDS Connections TEDS Enabled Sensor NI 9219 T T Data COM For more information about TEDS visit ni com info and enter t...

Page 15: ...ns are within the channel to earth working voltage range The following figure illustrates a floating connection for a voltage source Signal Source Shield NI 9219 HI LO Connecting to a Spring Terminal...

Page 16: ...connections to the NI 9219 Excitation Protection The NI 9219 protects the excitation circuit from overcurrent and overvoltage fault conditions The NI 9219 automatically disables the circuit in the eve...

Page 17: ...le Pinout 2 3 4 5 6 HI LO 1 Related reference Thermocouple Connections 4 Wire Resistance and 4 Wire RTD Pinout 2 3 4 5 6 EX HI EX LO 1 Related reference 4 Wire Resistance and 4 Wire RTD Connections 3...

Page 18: ...rence Full Bridge Connections Half Bridge Pinout 2 3 4 5 6 EX HI EX 1 Related reference Half Bridge Connections Digital In Pinout 2 3 4 5 6 HI LO 1 Related reference Digital In Connections Open Contac...

Page 19: ...s including documentation downloads and troubleshooting and application development self help such as tutorials and examples Visit ni com services to learn about NI service offerings such as calibrati...