PCI-7250/7251, LPCI-7250, LPCIe-7250, cPCI-7252
8-CH Relay Outputs & 8-CH Isolated DI Cards
CompactPCI
PCI-7250
PCI-7250+PCI-7251
cPCI-7252
LPCI-7250
LPCIe-7250
Introduction
Features
ADLINK's PCI-7250/7251 provide 4-CH SPDT (Form C) & 4-CH SPST (Form A) relay outputs and 8-CH isolated
digital inputs. The LPCI/LPCIe-7250 and cPCI-7252 provide 8-CH SPDT (Form C) relay outputs and 8/16-CH isolated
digital inputs. The status of each relay output is represented by an onboard LED. When the relay is in SET condition, its
corresponding LED will turn ON, and on the contrary, it is OFF. All digital input channels are nonpolarity, optically isolated, and
may be set to use RC filter or not. The devices are suitable for collecting digital inputs in noisy environments.
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Supports a 32-bit 5 V PCI bus (PCI-7250/7251)
Supports a 32-bit 3.3 V or 5 V PCI bus (LPCI-7250)
ꢀ x1ꢀlaneꢀPCIꢀExpressꢀInterfaceꢀ(LPCIe-7250)
ꢀ 3UꢀEurocardꢀformꢀfactor,ꢀCompactPCIꢀcompliant
(PICMG 2.0 R2.1) (cPCI-7252)
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The PCI-7251 is an 8-CH relay outputs and 8-CH isolated DI extension card of the PCI-7250. All the I/O functions
of PCI-7251 are the same as those of the PCI-7250. The PCI-7251 has to be connected with PCI-7250 and the bus
interface is controlled by the PCI-7250. Up to three PCI-7251 cards can be connected to one PCI-7250, therefore,
expanding the PCI-7250's DIO from 8 DIO to maximum 32 DIO.
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ꢀ 4-CHꢀSPDTꢀ&ꢀ4-CHꢀSPSTꢀrelaysꢀ(PCI-7250)
ꢀ 8-CHꢀSPDTꢀ&ꢀ8-CHꢀSPSTꢀrelaysꢀ(PCI-7250ꢀ+ꢀ1ꢀxꢀPCI-7251)
ꢀ 12-CHꢀSPDTꢀ&ꢀ12-CHꢀSPSTꢀrelaysꢀ(PCI-7250ꢀ+ꢀ2ꢀxꢀPCI-7251)
ꢀ 16-CHꢀSPDTꢀ&ꢀ16-CHꢀSPSTꢀrelaysꢀ(PCI-7250ꢀ+ꢀ3ꢀxꢀPCI-7251)
8-CH SPDT (LPCI-7250/LPCIe-7250/cPCI-7252)
Non-latching relays
Specifications
Relay Output
■ Operating Systems
ꢀ OnboardꢀLEDꢀindicatorsꢀforꢀrelayꢀstatus
• Windows 7/Vista/XP/2000/2003 Server
• Linux
Onboard relay driving circuits
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Number of channels: 8
Relay output status read back
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Relay types
8-CH isolated digital inputs (cPCI-7252/PCI-7250/LPCI-7250/
LPCIe-7250)
■ Recommended Software
• AD-Logger
• PCI-7250/7251:
- Channel 0-3: SPDT (normal open)
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ꢀ 16-CHꢀisolatedꢀdigitalꢀinputsꢀ(PCI-7250ꢀ+ꢀ1ꢀxꢀPCI-7251)
ꢀ 24-CHꢀisolatedꢀdigitalꢀinputsꢀ(PCI-7250ꢀ+ꢀ2ꢀxꢀPCI-7251)
ꢀ 32-CHꢀisolatedꢀdigitalꢀinputsꢀ(PCI-7250ꢀ+ꢀ3ꢀxꢀPCI-7251)
Onboard low-pass filtering for digital inputs
ꢀ Compact,ꢀlow-profileꢀsizeꢀPCBꢀ(LPCI-7250/LPCIe-7250)
• VB.NET/VC.NET/VB/VC++/BCB/Delphi
• DAQBench
- Channel 4-7: SPST (normal open)
• LPCI-7250/LPCIe-7250/cPCI-7252
- Channel 0-7: SPDT (normal open)
■ Driver Support
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Contact rating
• DAQPilot for LabVIEW™
• DAQ-MTLB for MATLAB®
• PCIS-DASK for Windows
• PCIS-DASK/X for Linux
• PCI-7250/7251 & cPCI-7252
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AC: 120 V @ 0.5 A
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DC: 24 V @ 1 A
• LPCI-7250/LPCIe-7250
- DC: 30 V @ 2 A
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Breakdown voltage: 1000 VRMS
Contact resistance: 100 m
Relay ON/OFF time
• Operate time: 8 ms
• Release time: 8 ms
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LED indicators: onboard LEDs for relay status
Expected life
• PCI-7250/7251 & cPCI-7252
- >5x105 operations @ 1 A, 24 VDC
5
- >2x10 operations @ 0.5 A, 120 VAC
2-45
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