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USER GUIDE AND SPECIFICATIONS
NI 9144
Deterministic Ethernet Expansion Chassis for C Series Modules
Contents
Introduction............................................................................................. 2
Safety Guidelines .................................................................................... 3
Safety Guidelines for Hazardous Locations .................................... 3
Special Conditions for Hazardous Locations Use
in Europe........................................
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Electromagnetic Compatibility.........................................................17 CE Compliance.................................................................................18 Online Product Certification.............................................................18 Environmental Management ............................................................18 Appendix A..............................................................................................19 Vendor Extensions to the Ob
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1 NI 9144 POWER FPGA RUN ERR Ether 2 4 INPUT 9-30 V 20 W MAX 3 1LEDs 3OUT Port 2IN Port 4 Power Connector Figure 1. NI 9144 Chassis Safety Guidelines Operate the NI 9144 chassis only as described in this user guide. Safety Guidelines for Hazardous Locations The NI 9144 chassis is suitable for use in Class I, Division 2, Groups A, B, C, D, T4 hazardous locations; Class 1, Zone 2, AEx nA IIC T4 and Ex nA IIC T4 hazardous locations; and nonhazardous locations only. Follow these guidelines if yo
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Caution Substitution of components may impair suitability for Class I, Division 2. Caution For Zone 2 applications, install the system in an enclosure rated to at least IP 54 as defined by IEC 60529 and EN 60529. Special Conditions for Hazardous Locations Use in Europe This equipment has been evaluated as Ex nA IIC T4 equipment under DEMKO Certificate No. 07 ATEX 0626664X. Each chassis is marked II 3G and is suitable for use in Zone 2 hazardous locations, in ambient temperatures of –40 ≤ Ta
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48.4 mm Cabling Clearance (1.9 in.) 29.0 mm 50.8 mm (2.00 in.) (1.14 in.) 58.9 mm (2.32 in.) 286.4 mm (11.28 in.) 3.2 mm (0.13 in.) Figure 2. NI 9144 Chassis, Bottom View with Dimensions 19.0 mm (0.75 in.) 165.1 mm (6.5 in.) NI 9144 POWER 36.4 mm FPGA RUN ERR Ether (1.43 in.) 87.3 mm (3.44 in.) 51.7 mm INPUT 9-30 V (2.04 in.) 20 W MAX 2.9 mm (0.12 in.) Figure 3. NI 9144 Chassis, Front View with Dimensions © National Instruments Corporation 5 NI 9144 User Guide and Specifications
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44.069 mm (1.74 in.) 25.078 mm 20.320 mm (0.99 in.) (0.8 in.) 44.125 mm (1.74 in.) 63.178 mm (2.49 in.) Figure 4. NI 9144 Chassis, Side View with Dimensions The following sections contain mounting method instructions. Before using any of these mounting methods, record the serial number from the back of the chassis. After the chassis is mounted, you will not be able to read the serial number. Caution Remove any C Series I/O modules from the chassis before mounting it. Mounting the NI 9144 Cha
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Figure 5. Installing the Panel Mount Accessory on the NI 9144 Chassis 330.200 mm (13 in.) 311.150 mm (12.25 in.) 9.525 mm (0.38 in.) 286.634 mm (11.28 in.) 15.491 mm (0.61 in.) NI 9144 POWER FPGA RUN ERR Ether 88.138 mm (3.47 in.) INPUT 9-30 V 20 W MAX 31.750 mm (1.25 in.) 63.500 mm (2.5 in.) Figure 6. Dimensions of NI 9144 Chassis with Panel Mount Accessory Installed 2. Fasten the NI 9905 panel to the wall using the screwdriver and screws that are appropriate for the wall surface. Caution R
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Mounting the Chassis on a DIN Rail Use the NI 9915 DIN rail mount kit if you want to mount the chassis on a DIN rail. You need one clip for mounting the chassis on a standard 35 mm DIN rail. Complete the following steps to mount the chassis on a DIN rail: 1. Fasten the DIN rail clip to the chassis using a number 2 Phillips screwdriver and two M4 × 16 screws. National Instruments provides these screws with the DIN rail mount kit. Figure 7. Installing the DIN Rail Clip on the NI 9144 Chassis
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3. Press down firmly on the chassis to compress the spring until the clip locks in place on the DIN rail. Caution Remove any C Series I/O modules from the chassis before removing the chassis from the DIN rail. Connecting the NI 9144 Chassis to a Network NI recommends that you install a private network segment for your deterministic Ethernet expansion devices. Slave devices cause network flooding on a standard network. Non-EtherCAT frames jeopardize the system performance and determinism on
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Understanding LED Indications Figure 9 shows the NI 9144 chassis LEDs. POWER FPGA RUN ERR Figure 9. NI 9144 Chassis LEDs POWER LED The POWER LED is lit while the NI 9144 chassis is powered on. This LED indicates that the power supply connected to the chassis is adequate. FPGA LED—Open FPGA Mode Only This LED is for Open FPGA mode only. This mode is currently not activated. RUN and ERR LEDs The RUN LED is green and indicates that the NI 9144 is in an operational state. The ERR (error) LED is
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Table 1. RUN and ERR LED Indications (Continued) RUN LED ERR LED LED Behavior Run Mode Description Error Mode Description Double-Flash — — Application Slave did not Watchdog receive a Timeout scheduled EtherCAT telegram On Operational Inputs and Outputs PDI (Process Slave failed to are functional Data Interface) transfer I/O data in Watchdog scheduled time Timeout Flickering Bootstrap Firmware Update Booting Error Corrupt firmware or hardware error Figure 10 shows the Run Mode transitio
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Resetting the NI 9144 Network Configuration To reset the NI 9144 network configuration, unplug and replug in the NI 9144 chassis. Safe-State Outputs The NI 9144 has a safe state that lies between its configuration and operational states. When moving out of the operational state down to the configuration state, during normal operation or in case of a serious error, the NI 9144 passes through this safe state. The safe state forces the data of output modules to pre-defined safe values, which a
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Using the NI 9144 with an EtherCAT Third-Party Master All of the functionality of the NI C Series modules is available to third-party masters using vendor extensions to the object dictionary. The NI 9144 is a modular device, meaning each module plugged into the backplane has its own object dictionary, and each module configuration is done through this dictionary. If your master software supports AoE services (ADS over EtherCAT), you can address the module directly. If your master software
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Specifications The following specifications are typical for the –40 to 70°C operating temperature range unless otherwise noted. For more information, refer to the specific module specifications. Network Network interface ...................................100BaseTX Ethernet Compatibility ..........................................EtherCAT Communication rates..............................100 Mbps Maximum cabling distance.....................100 m/segment Power Requirements Caution You must use a
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Measurement Category I is for measurements performed on circuits not directly connected to the electrical distribution system referred to as MAINS voltage. MAINS is a hazardous live electrical supply system that powers equipment. This category is for measurements of voltages from specially protected secondary circuits. Such voltage measurements include signal levels, special equipment, limited-energy parts of equipment, circuits powered by regulated low-voltage sources, and electronics. Ca
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Shock and Vibration To meet these specifications, you must panel mount the EtherCAT system and affix ferrules to the ends of the power terminal wires. Operating shock (IEC 60068-2-27) ........30 g, 11 ms half sine, 50 g, 3 ms half sine, 18 shocks at 6 orientations Operating vibration, random (IEC 60068-2-64) ......................5 g , 10 to 500 Hz rms Operating vibration, sinusoidal (IEC 60068-2-6) ....................5 g, 10 to 500 Hz Cabling Table 2 shows the standard Ethernet cable wiring
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Connector 1 Connector 2 Pin 1 Pin 8 Pin 1 Pin 8 Figure 11. Ethernet Connector Pinout Safety Standards This product meets the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use: � IEC 61010-1, EN 61010-1 � UL 61010-1, CSA 61010-1 Note For UL and other safety certifications, refer to the product label or the Online Product Certification section. Electromagnetic Compatibility This product meets the requirements of the follow
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Note For EMC compliance, operate this device with shielded cables. CE Compliance This product meets the essential requirements of applicable European Directives as follows: � 2006/95/EC; Low-Voltage Directive (safety) � 2004/108/EC; Electromagnetic Compatibility Directive (EMC) Online Product Certification Note Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for this product, visit ni.com/cert
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Appendix A Vendor Extensions to the Object Dictionary Most object dictionary entries are defined by the relevant EtherCAT and CANOpen specification for modular slave devices. Both the NI 9144 device and the C Series modules have vendor extensions to the standard. These extensions are described here. Note Most object dictionary entries are set to usable defaults during the NI 9144’s transition from INIT to PREOP. NI recommends writing down the object dictionary default values, in case you ne
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Table 3. Module Vendor Extensions (Continued) Index Sub Type R/W Description C Series Module Vendor Extensions 0x2000 0 U32 R NI C Series Vendor ID (for NI C Series modules, equals 0x1093) 0x2001 0..N ARR: R/W � Scan or command list � Channel direction control � Mode selection 0x2002 0 U32 R/W �Error status � Unipolar/bipolar control � Module configuration command � Module conversion rate control 0x2003 0 U32 R/W Error acknowledgement (or status) 0x2005 0 U8 R/W � Refresh period � Conversion f
