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The Keithley 7056 is a 10-channel scanner card with electrical connection made through a quick disconnect screw terminal card (Model 7055). It is a cost-effective and versatile solution to relay switching applications. Each channel of the card has two Form A (SPNO) contacts. The switch can be wired for either 2-pole or 1-pole switching through the selection of the appropriate output. In 1-pole operation, channels HI and LO operate as independent, isolated inputs, thereby effectively doubling the number of input channels. In 20 channel mode, use as a one of 20 channel selector switch.
CHANNELS PER CARD:
10 in 2-pole mode, 20 in 1-pole mode.
CONTACT CONFIGURATION:
2-pole Form A; includes quick disconnect card. HI or LO switched to a separate output for 1- pole mode. Common guard connection.
CONNECTOR TYPE:
Screw terminal, #18AWG maximum wire size. Terminals mounted on quick disconnect portion of 7056.
RELAY DRIVE CURRENT:
24mA per relay typical.
MAXIMUM SIGNAL LEVEL:
150V, 250mA, 10VA (resistive load only).
CONTACT LIFE:
>108 closures cold switching; >107 closures at maximum signal levels.
CONTACT RESISTANCE:
<2O to rated life.
CONTACT POTENTIAL:
<100 µV per contact pair input to output with copper leads (<50 µV typical).
ACTUATION TIME:
<2ms, exclusive of mainframe.
CHANNEL ISOLATION:
>109O,
INPUT ISOLATION, DIFFERENTIAL:
>109O,
INPUT ISOLATION, COMMON MODE:
>109O,
COMMON MODE VOLTAGE:
150V peak.
CHANNEL CROSSTALK:
O load.
Related Product :
Returns
If you are not completely satisfied with your purchase, simply return the item to us in its original condition within 30 days of receipt.
Returned items should be unused and must be returned in original packaging with any enclosed documentation. We will issue a full refund on receipt, excluding the original delivery charge. Alternatively, if preferred, we will exchange the item.
VAT
Prices exclude VAT. Intra-Community transactions: Under the EU VAT Directive, B2B sales of goods across EU VAT borders is VAT zero-rated.
Where VAT is charged, a rate of 23% is applied.
VAT is not charged outside of the EU.
