HP E8462A 256-Channel Relay Multiplexer

The HP E8462A High-Density Relay Multiplexer is a C - size, 1 - slot, register-based VXI module. This 256-channel multiplexer, using non-latching armature relays, offers a fast, reconfigurable, high point-count switching topology. This single-slot multiplexer extends the choices of multiplexers available to the system engineer. The HP E8462A can be programmed into individual topologies; some common examples are shown in the table below. Many other combinations of these topologies are supported (in addition to those shown in the table). Two-wire, three-wire, and four-wire measurements can be configured.

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

[ Features ]

1-Slot, C-size, register based
High-density, low-cost multiplexer
Flexible reconfiguration
Armature non-latching relay channels
Contact protection for reliable operation
Optional HP QUIC easy-to-use terminal block

[ Specifications ]

VXI Characteristics

VXI device type:          Register based, A16/D16
Data transfer bus:        A16, slave only
Size:                     C
Slots:                    1
Connectors:               P1/P2
Shared memory:            None
VXI busses:               None
C-size compatibility:     n/a



Instrument Drivers

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

Command module firmware:                Downloadable
Command module firmware rev:            A.08
I-SCPI Windows™ 3.1:                    No
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:   Yes
VXIplug&play HP-UX Framework:           10.2 planned 1998



Module Current

          I_PM (A)    I_DM (A)
  +5 V:   *1.0      *0.5
 +12 V:    0.0       0.0
 –12 V:    0.0       0.0
 +24 V:     —         —
 –24 V:     —         —
–5.2 V:     —         —
  –2 V:     —         —

* Specified in worst case typical MUX configuration (eight 32x1). Add 30 mA per
additional relay.



Cooling/Slot

Watts/slot:        30 W max., 10 W typ.
DeltaP mm H2O:      0.1
Air Flow liter/s:   3.0

[ Ordering ]

HP E8462A 256-Channel Relay Multiplexer* Opt 012 Crimp and Insert Terminal Block** Opt 014 Fault Tolerant Terminal Block*** Opt 015 Ribbon Cable Connector Terminal Block*** Opt 0B3 Service Manual Opt W01 3 yr. Retn. to HP to 1 yr. OnSite Warr. * Note: Standard unit does not include terminal block. One of the terminal block options must be ordered. ** Note: Crimp-and-Insert Contacts are not included. See the Interconnect and Wiring section for information on ordering Crimp-and-Insert Contacts. *** Note: Ribbon cables and mating connector not included. See ordering information below:

Recommended 3M Mating Socket and Cable Qty Required per Part Description Terminal Card 3M Part Number ---------------- ---------------- -------------- socket (without 3414-6600 strain relief) 8 sockets either with or without socket* (with strain relief 3414-6606 strain relief) metal strain 8* 3448-2034 relief* (low profile) flat cable (34 length as needed 3365/34 conductor) * Required only for socket with strain relief Manufacturer Ordering Information Contact 3M to obtain ordering information as follows: 3M Electronic Products Division 6801 River Place Blvd. Austin, TX 78726-9000 telephone 800-225-5373

Trademarks:
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[ Key Literature ]