Agilent E1442A Data Sheet

Data Sheet

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64-Channel Form C or Form A
Switch

Agilent E1442A

• 1-Slot, C-size, register based

• Any combination of channels can be closed or opened

• Nonlatching armature relays

• External devices can be actuated

• Includes QUIC easy-to-use terminal block

• Internal buses simplify wiring

Agilent E1442A

Description

The Agilent E1442A 64-Channel General-Purpose Switch is a
C-size, 1-slot, register-based VXI module that contains
nonlatching Form C type relays. They can be used for device
actuation, as digital output modules, or to create flexible
signal switching topologies.

Each product has two parts—a component card containing
the relays, that plugs into the mainframe, and a removable
terminal block that plugs onto the component card. The
component card has 64 Form C relays with three independent
axial component locations per relay. These locations can be
used for jumpers, fuses, or pullup/down and protection
resistors. All three relay terminals can be connected through
such components to one of three internal buses.

The E1442A terminal block comes standard with solder lugs
that allow full access to the Form C (SPDT) capability of the
component module relays. Option 020 has a screw terminal
block that allows access to the Form A (SPST) contacts only.
Option 010 gives you complete Form C connectivity with
more customization versatility.

Refer to the Agilent Technologies Website for instrument
driver availability and downloading instructions, as well as for
recent product updates, if applicable.

Agilent Technologies

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Product Specifications

Input

Maximum voltage (C to NC or NO or any terminal-to-chassis):

DC: 150 V
AC rms: 150 V
AC peak: 210 V

Maximum current (noninductive, per switch):

DC: 1 A

AC rms: 1 A
Maximum power:
Per switch:

DC: 40 W

AC: 40 VA
Per module:

DC: 320 W

AC: 320 VA

DC

Maximum thermal offset: 70 µV
Closed channel resistance:

Initial: <1.5 Ω typical

End of life: <3.5 Ω
Insulation resistance (between any two points):

≤40°C, ≤ 65% RH: n/a

≤40°C, ≤ 95% RH: >10E7 Ω

≤25°C, ≤ 40% RH: >10E8 Ω

AC

Typical bandwidth (–3 dB): 10 MHz
Crosstalk (dB, channel-to-channel):

<10 kHz: n/a

<100 kHz: <–70

<1 MHz: n/a

<10 MHz: <–28

Closed Channel Capacitance

Ch-to-ch: <30 pF

Ch-to-com: <40 pF

General

Typical relay life (number of operations):

No load: >5x10E6
Rated load: >10E5

Time to close or open a
channel (register
programming):

13 ms

Connector type, wire size:

Standard: 2 DIN-Cs with solder lugs Opt 010: solder

eyes

Screw: ≥18 AWG (1.2 mm), Opt 020

Power up/down states: All open, i.e., nonlatching

Terminal Block

Connection types:

Standard: Solder lug connectors

E1442A with Opt 010: Replaces standard terminal block with

provision to add dual 96-pin DIN-C connectors
or solder wires directly to terminal block pc
board, 0.055 moh holes, 20 AWG max.
recommended.

E1442A with Opt 020: Replaces standard terminal block with screw

terminals for com and no contacts only,
16 AWG (1.5 mm) max.

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Cooling/Slot

Watts/slot: 5.00
∆P mm H

2

O: 0.15

Air flow liter/s: 0.42

Ordering Information

Description Product No.

64-Channel Form C/A Switch w/QUIC Interface E1442A
Form C Switch, QUIC interface, solder terminal block with
pull-up/pull-down resistor dividers E1442A 010
Form A Switch, QUIC interface, screw terminal block E1442A 020
Same as standard E1442A except replaces QUIC interface
with "old style" terminal block and front panel E1442A 106
Same as E1442A Option 010 except replaces QUIC interface
with "old style" terminal block and front panel E1442A 116
Same as E1442A Option 020 except replaces QUIC interface
with "old style" terminal block and front panel E1442A 126
Service Manual E1442A 0B3

Ordering Instructions

If you want…

• a Form C switch, QUIC interface and solder terminal block, please order the
E1442A.

• a Form C switch, QUIC interface and solder terminal block with pull up/
pull down resistive divider, order the E1442A with Option 010.

• a Form A switch, QUIC interface and screw terminal block, order the E1442A
with Option 020.

Note:

—The E1442A Option 106 is the same as the standard E1442A, but with the

"old style" terminal block & front panel.

—The E1442A Option 116 is the same as the E1442A Opt. 010, but with the

"old style" terminal block & front panel.

—The E1442A Option 126 is the same as the E1442A Option 020, but with the

"old style" terminal block & front panel.

—There is not an option to order pull up/pull down resistive dividers with the

Form A option, and there is not an option to order Form C with screw
terminal block.

Module Current

I

PM

I

PM

+5 V: 0.1 0.11
+12 V: 00
–12 V: 00
+24 V: 00
–24 V: 00
–5.2 V: 00
–2 V: 00

Instrument Drivers

See the Agilent Technologies Website (http://www.agilent.com/find/
inst_drivers) for driver availability and downloading.

Command module
firmware: Downloadable
Command module
firmware rev: A.06
I-SCPI Win 3.1: Yes
I-SCPI Series 700: Yes
C-SCPI LynxOS: Yes
C-SCPI Series 700: Yes
Panel Drivers: Yes
VXI

plug&play

Win
Framework: Yes
VXI

plug&play

Win 95/NT
Framework: Yes
VXI

plug&play

HP-UX
Framework: No

General Specifications

VXI Characteristics

VXI device type: Register based, A16, slave only
Size: C
Slots: 1
Connectors: P1/2
Shared memory: None
VXI busses: None
C-size compatibility: n/a

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Option 010 Connection Examples

Agilent E1442A Option 010 Block Diagram

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Agilent E1442A Option 020 Terminal Block: Form A Configuration with screw terminals and QUIC interface.

Agilent E1442A Option 106 Terminal Block: Form C Configuration with solder lugs and "old style" interface.

Agilent E1442A Option 116 Terminal Block: Form C Configuration with solder terminal block with pull up/pull down resistors and "old style"interface.

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Agilent E1442A Block Diagram

Related Literature

2000 Test System and VXI Catalog CD-ROM,

Agilent Pub. No. 5980-0308E (detailed specifications for VXI products)

2000 Test System and VXI Catalog,

Agilent Pub. No. 5980-0307E (overview of VXI products )

1998 Test System and VXI Products Data Book,

Agilent Pub. No. 5966-2812E

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Data Subject to Change
© Agilent Technologies, Inc. 2000
Printed in the U.S.A. May 1, 2004
5965-5588E

Agilent Technologies