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Technical content

Features

˙ PXI specifications Rev. 2.2 compliant ˙ 3U Eurocard form factor, CompactPCI compliant (PICMG 2.0 R3.0) ˙ PICMG 2.1 R2.0 CompactPCI Hot Swap specifications compliant ˙ 16-CH SPDT (1 Form C) non-latching relays ˙ Switching capacity w3 A switching, 3 A carrying w220 VDC, 250 VAC ˙ 125 operations per second for full settling ˙ Onboard 1 k-sample scan list for deterministic scanning ˙ Handshaking signals for external instruments synchronization ˙ Design for safety-critical applications ˙ Hardware emergency shutdown with programmable relay safety status ˙ Watchdog timer from 1 ms to 420 s with programmable relay safety status ˙ 8 auxiliary 3.3 V/TTL digital inputs/outputs with 5 V tolerance ˙ Multiple modules synchronization through PXI trigger bus and star trigger ˙ Fully software programmable ˙Operating Systems wWindows 7/10 x64/x86 ˙Driver and SDK wVB/VC++ wLabVIEW 16-CH General-Purpose SPDT Relay Module PXI-7901 Specifications Relay Characteristics ˙ Number of channels: 16 ˙ Relay type: SPDT (1 Form C), non-latching ˙ Switching capacity

  • Max. switching current: 3 A
  • Max. switching voltage: 220 VDC, 250 VAC
  • Max. switching power: 50 VA, 60 W
  • Max. carrying current: 3 A ˙ Contact resistance: 150 mΩ max. ˙ Relay set/reset time
  • Operate time: 5 ms max.
  • Release time: 5 ms max.
  • Bounce time: 3 ms max. ˙ Expected life
  • Mechanical life: 108 operations min.
  • Electrical life: 105 operations min. (0.4 A @ 125 VAC, resistive load) ˙ Data transfer: Programmed I/O Auxiliary Digital I/O ˙ Numbers of channel: 8 inputs/outputs ˙ Compatibility: 3.3 V/TTL (5 V tolerant) Handshaking Signals ˙ Programmable polarity ˙ Logic level: 3.3 V/TTL (5 V tolerant) ˙ TRG_IN source: AUX1, PXI trigger bus, PXI star trigger input ˙ S_ADV destination: AUX0, PXI trigger bus Safety Functions ˙ Emergency shutdown
  • Logic level: 3.3 V/TTL (5 V tolerant)
  • Active: logic low ˙ Watchdog timer
  • Base clock available: 10 MHz, fixed
  • Counter width: 32-bit General Specifications ˙ I/O Connector: 62-pin D-sub male ˙ Operating temperature: 0˚C to 55˚C ˙ Storage temperature: -20˚C to 70˚C ˙ Relative humidity: 5% to 85% non-condensing ˙ Power requirements: (when all relays are ON) ˙ Dimensions (not including connectors)
  • 160 mm x 100 mm Certifications ˙ EMC/EMI: CE, FCC Class A +5 V 700 mA +3.3 V 400 mA Device PXI-7901 Terminal Boards & Cables ˙TB-6201-01 General-Purpose Switch Terminal Board with one 62-Pin D-Sub Female Connector ˙ACL-10262 62-pin D-sub male/female cable, 1 M (For more information about mating cables, please refer to P4-28.) Terminal board TB-6201-01

Ordering Information

˙ PXI-7901 16-CH General-Purpose SPDT Relay Module * Failure rate indicates the lower limit of switching capacity of a relay contact at a reliability level of 60% 22. COM0 43. NO0 23. COM1 1. NC0 44. NO1 24. COM2 2. NC1 45. NO2 25. COM3 3. NC2 46. NO3 26. COM4 4. NC3 47. NO4 27. COM5 5. NC4 48. NO5 28. COM6 6. NC5 49. NO6 29. COM7 7. NC6 50. NO7 30. COM8 8. NC7 51. NO8 31. COM9 9. NC8 52. NO 32. COM10 10. NC9 53. NO10 33. COM11 11. NC10 54. NO11 34. COM12 12. NC11 55. NO12 35. COM13 13. NC12 56. NO13 36. COM14 14. NC13 57. NO14 37. COM15 15. NC14 58. NO15 38. N/C 16. NC15 59. N/C 39. N/C 17. N/C 60. AUX3 40. AUX4 18. AUX2/SHDNn 61. AUX6 41. +5Vout 19. AUX5 62. AUX7 42. AUX1/TRG_IN 20. GND 21. AUX0/S_ADV Updated 12-23, 2019. ©2019 ADLINK Technology, Inc. All Rights Reserved. All specifications are subject to change without further notice.