HP E2274A 4-Channel Form C Power Relay M-Module

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The HP E2274A 4-Channel Form C Power Relay switch is a single-wide, register-based M-Module. It provides four individual Form C (SPDT) channels for general purpose switching and control of external devices. With its heavier 5A current, it can easily switch external power supplies.

Logic on the card provides for maskable interrupts (INTC type) once the requested relay movement is complete.

With each M-Module having its own address within the HP E2250A and HP E2251A M-Module carriers, you have the flexibility to use the M-Modules in many combinations. This flexibility allows you to get the amount of functionality you need in smaller blocks, lowering your overall system costs. Please see the HP E2250A or HP E2251A Technical Specifications for M-Module slot requirements.

Refer to the Related Links Section below for instrument driver availability and downloading instructions, as well as for recent product updates, if applicable.


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VXI Characteristics

VXI device type:      Register based
Data transfer bus:    n/a
Size:                 n/a
Slots:                n/a
Connectors:           n/a
Shared memory:        n/a
VXI busses:           n/a
C-size compatibility: Yes, with HP E2251A






Instrument Drivers


See the HP Website (http://www.hp.com/go/inst_drivers) for
driver availability and downloading.

Command module firmware:       
Command module firmware rev:   A.06
I-SCPI Windows 3.1:            Yes
I-SCPI Series 700:             No
C-SCPI LynxOS:                 No
C-SCPI Series 700:             No
HP Panel Drivers:              No
VXIplug&play Windows®
Framework:                     No
VXIplug&play Windows
95/NT® Framework:              No
VXIplug&play HP-UX
Framework:                     No





Module Current

         IPM        IDM
+5 V:    0.020 A    0.010 A
+12 V:   0.090 A    0.09 A
–12 V:   0          0
+24 V:   0          0
–24 V:   0          0
–5.2 V:  0          0
–2 V:    0          0


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HP E2274A  4-Ch Form C Power Relay M-Module
  Opt W01  3 year Return to HP to 1 year OnSite Warranty

Trademarks:


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HP E2274A Technical Specifications Datasheet

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To help you make the right instrument choices

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Related Information:

Related product families available online:



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