Rev. A
GENERAL
40 CHANNELS: 40 channels of 2-pole relay input.
All channels configurable to 4-pole.
2 CHANNELS: 2 channels of current only input.
RELAY TYPE: Latching electromechanical.
ACTUATION TIME: <3ms.
CAPABILITIES
CHANNELS 1-40: Multiplex one of 40 2-pole or one of 20 4-pole signals
into DMM.
CHANNELS 41-42: Multiplex one of 2 2-pole current signals into DMM.
INPUTS
MAXIMUM SIGNAL LEVEL:
Channels (1-40): 300V DC or rms, 1A switched, 60W, 125VA maximum.
Channels (41-42): 60V DC or 30V rms, 3A switched, 60W, 125VA maxi-
mum.
CONTACT LIFE (typ): >10
5
operations at max signal level.
>10
8
operations cold switching.
CONTACT RESISTANCE: <1Ω at end of contact life.
CONTACT POTENTIAL: <±500nV typical per contact, 1µV max.
<±500nV typical per contact pair, 1µV max.
OFFSET CURRENT: <100pA.
CONNECTOR TYPE: Screw terminal, #20 AWG wire size.
ISOLATION BETWEEN ANY TWO TERMINALS: >10
10
Ω, <100pF.
ISOLATION BETWEEN ANY TERMINAL AND EARTH: >10
9
Ω, <200pF.
CROSS TALK (10MHz, 50Ω Load): <–40dB.
INSERTION LOSS (50Ω Source, 50Ω Load): <0.1dB below 1MHz.
<3dB below 2MHz.
COMMON MODE VOLTAGE: 300V between any terminal and chassis.
ENVIRONMENTAL
OPERATING ENVIRONMENT: Specified for 0°C to 50°C.
Specified to 80% R.H. at 35°C.
STORAGE ENVIRONMENT: –25°C to 65°C.
WEIGHT: 0.5kg (1.1 lb).
Specifications subject to change without notice.
control and not actual available channels.
internal DMM.
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