
Page 1.2 30A SOLID STATE SPST SWITCH MODULE 40-183B
pickering
SECTION 1 - TECHNICAL SPECIFICATION
Hardware Interlock
The 40-183B modules are available with an optional hardware
interlock. The interlock, when activated, will return all relays
to their default unpowered state (assuming the relays are
fully functional) and also provide error notification via the
software interface. The interlock feature can be daisy-chained
between additional hardware interlock enabled modules for
example to allow one signal to disable multiple cards. For
further details please refer to the Hardware Interlock section
within the user manual.
100 Ω
+3.3 V
GND
External
Wire Link
Front Panel
Connector
Interlock
Daisy-chain
Interlock
Detection
Circiuitry
Processor Relay Driver(s)
SPI Serial
Comms
Output Enable
SPI Serial
Comms
Output Enable
Drive
Outputs
To
Interlock Signal Routing Diagram for 40-183B
Versions With Hardware Interlock Option
Interlock Connector
Switching Specification
Switch Type Solid State MOSFET
Max Switch Voltage:
Continuous Switch Current:
Peak Current:
±40 V* (DC or AC peak)†
30 A continuous,
40 A continuous with single
relay per module closed
120 A for 200 µs
Max Total Module Current: 6 channels each carrying
30 A ‡
Initial On Path Resistance:
Leakage Current (at ±40 V):
6 mΩ at 25 ˚C typical
<1 µA at 25 ˚C and switch cold,
<5 mA at max temperature
immediately after switch has
carried maximum current for
>10 minutes.
Rise/Fall Time:
Operate Time:
Max Operating Speed at
nominal load:
40 µs/140 µs (typical)
250 µs
60 operations/sec
Expected Life (operations): Indefinite when used within
ratings
* For full voltage rating, signal sources to be switched must
be fully isolated from mains supply and safety earth.
† Differential voltage between channels must not exceed
rated voltage, additional caution should be used when
applying AC voltages as multiple asynchronous supplies can
create high differential voltages between channels.
‡ The capacity of the module to carry 30 A on all channels
is chassis dependent and dependent on the number of high
power modules fitted to the chassis. Specification reflects test
conditions in a Pickering PXI chassis. Refer to supplier for
chassis cooling capacity, restrict average RMS current over
5 minute period to 25 A per channel for chassis meeting the
minimum PXI recommendations.
Power Requirements
+3.3 V +5 V +12 V -12 V
100 mA 350 mA 0 0
Mechanical Characteristics
Double slot 3U PXI (CompactPCI card).
3D models for all versions in a variety of popular file formats
are available on request.
Connectors
PXI bus via 32-bit P1/J1 backplane connector.
Signals via 2 front panel 8-pin male power D-Type connectors,
for pin outs please refer to the operating manual.
Interlock via 4-pin female 00 series connector*
(40-183B versions with hardware interlock option)
*Mating half supplied when hardware interlock option
ordered, to be wired by end user.
40-183B
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Specifications