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NI 9870 Operating Instructions

10

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additional module. Ensure that the power supply can handle 
maximum power requirements for all modules connected. 

Caution

All connections must be made before power is 

applied.

Figure 3.  

Powering Multiple Modules from a Single Power Supply

Red (+)

Black (–)

NI P/N 198303-XX:

Male Microfit

Y-Adapter

NI P/N 198159-XX:

Female Microfit

Pigtail

V+
V–

Any 8 - 28 V     

Isolated

Power Supply

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Summary of Contents for NI 9870

Page 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Page 2: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9870 4 Port RS232 Serial Module Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 3: ...afety guidelines and specifications in this document are specific to the NI 9870 The other components in the system might not meet the same safety ratings and specifications Refer to the documentation...

Page 4: ...these guidelines may result in serious injury or death Caution Do not disconnect I O side wires or connectors unless power has been switched off or the area is known to be nonhazardous Caution Do not...

Page 5: ...the Vsup to COM voltage from exceeding 39 V if there is a transient overvoltage condition Special Conditions for Hazardous Locations in Europe This equipment has been evaluated as Ex nA IIC T4 equipme...

Page 6: ...ister mark on the module Caution To meet radio frequency emission requirements for marine applications use shielded cables and install the system in a metal enclosure Suppression ferrites must be inst...

Page 7: ...Table 1 RS232 Port Pinout RJ 50 Pin Signal Name 1 No Connect 2 RI 3 CTS 4 RTS 5 DSR 6 GND 7 DTR 8 TXD 9 RXD 10 DCD These signals are shared by all four RJ 50 connectors on the NI 9870 DCD NC RI CTS R...

Page 8: ...nout to the standard NI pinout on a DB 9 male connector as shown in Table 2 Table 2 Pin Assignments for RS232 DB 9 Male Connector Connector Pin Signal 1 DCD 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9...

Page 9: ...dule You can use the included female four position pigtail to connect to an external voltage source Figure 1 lists the connections between an external voltage source of 8 V to 28 V and the NI 9870 Fig...

Page 10: ...Figure 2 Powering the NI 9870 from an Isolated Power Source Figure 3 shows how to use the optional y adapter available at ni com serial to connect power to more than one module using the same power so...

Page 11: ...ted Caution All connections must be made before power is applied Figure 3 Powering Multiple Modules from a Single Power Supply Red Black NI P N 198303 XX Male Microfit Y Adapter NI P N 198159 XX Femal...

Page 12: ...system in software In sleep mode the system consumes less power and may dissipate less heat Typically when a system is in sleep mode you cannot communicate with the modules Refer to the Specifications...

Page 13: ...e Continuous RS232 input voltages in excess of 8 V may cause excessive thermal dissipation Data line ESD protection human body model 15 kV MTBF 448 008 hours at 25 C Bellcore Issue 6 Method 1 Case 3 L...

Page 14: ...C Active mode 1 5 W max Sleep mode 0 5 W max Required external supply voltage range VSUP 8 to 28 VDC Power supply consumption from external supply VSUP Typical 0 5 W Maximum 2 W Physical Characteristi...

Page 15: ...tly 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...

Page 16: ...inuous 60 VDC Measurement Category I up to 5 000 m altitude Withstand up to 2 000 m altitude 1000 Vrms verified by a 5 s dielectric withstand test up to 5 000 m altitude 500 Vrms verified by a 5 s die...

Page 17: ...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...

Page 18: ...ndards applied to assess the EMC of this product refer to the Online Product Certification section Note For EMC compliance operate this device with shielded cabling CE Compliance This product meets th...

Page 19: ...or product line and click the appropriate link in the Certification column Shock and Vibration To meet these specifications you must panel mount the CompactRIO system Operating vibration random IEC 60...

Page 20: ...to 70 C Storage temperature 40 to 85 C Ingress protection IP 30 Operating humidity 10 to 90 RH noncondensing Storage humidity 5 to 95 RH noncondensing Maximum altitude 2 000 m Pollution Degree IEC 60...

Page 21: ...Customers At the end of the product life cycle all products must be sent to a WEEE recycling center For more information about WEEE recycling centers National Instruments WEEE initiatives and complia...

Page 22: ...ac Expressway Austin Texas 78759 3504 National Instruments also has offices located around the world to help address your support needs For telephone support in the United States create your service r...

Page 23: ...ademarks or trade names of their respective companies For patents covering National Instruments products technology refer to the appropriate location Help Patents in your software the patents txt file...

Page 24: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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