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S280-79-10
25
!
SAFETY
FOR LIFE
Standard and UDP Controls
Standard and UDP Form 5 control DIF inputs and outputs
are described in the following pages.
Maximum Switching Voltage: . . . . . 135 Vac 110 Vdc
Maximum Switching Loading: . . . . . 600 mA
Maximum Pickup-Release Time: . . 3 msec (does not count control response time)
Input Protection: . . . . . . . . . . . . . . . Shunting type using MOVs and capacitors
Minimum Detection Level: . . . . . . . . . . . . . . . . . . . . . . . . 8 Vac (50 or 60Hz) 10 Vdc
Maximum Operating Voltage: . . . . . . . . . . . . . . . . . . . . . 135 Vac (50 or 60Hz) 175 Vdc
Input Impedance: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 k minimum (inputs are current limited)
Maximum Input Loading: . . . . . . . . . . . . . . . . . . . . . . . . . 2 mA per input
Maximum Leakage Rejection: . . . . . . . . . . . . . . . . . . . . . 1 mA
Maximum Pickup Time: . . . . . . . . . . . . . . . . . . . . . . . . . . 10 msec (does not count control response time)
Minimum Input Pulse Time: . . . . . . . . . . . . . . . . . . . . . . . 100 msec
Minimum Transition Time between Pulse Inputs: . . . . . . 200 msec
Input Protection: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Shunting type using MOVs and capacitors.
Opto Isolation from input to system.
Voltage Level: . . . . . 28 Vdc (nominal)
Output Current: . . . . 30 mA maximum
TABLE 1
DIF Input Ratings
TABLE 2
Whetting Voltage Source
(Supplied by Internal Voltage Source of DIF Module)
TABLE 3
DIF Output Ratings
IMPORTANT: Each DIF contains a small, isolated
current source for use with external dry contacts. This
supply is intended for use with the DIF inputs only and
must not be used for powering external circuits. This is
considered a dry contact input for customer connection.