B855-016, Specification Table
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Description
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12 Vdc intrinsically safe input (true low)
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Number of Points
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16 isolated
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Operating Voltage
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11-4-12.6 Vdc
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Number of Groups
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1
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Inputs/group
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16
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Maximum Input Voltage
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Continuous
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Continuous
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12 Vdc 5%
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Surge
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500 Vdc for 3 ms
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ON State Conditions
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100 Ω or less total impedance (3.9 mA @ 12 Vdc)
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OFF State Conditions
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An open circuit, no less than 100,000 Ω (75 mA) approx. 8.95 V present on + lead
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Maximum Response Time
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OFF → ON
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1 ms
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ON → OFF
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5 ms
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Power Required
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+5 V
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80 mA
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+4.3 V
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1.5 mA
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-5 V
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0 mA
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Leakage Current
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< 1.5 mA
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Wattage Rating on the Module
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1.8 W
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Maximum Input Voltage @ Source Inputs
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Not to exceed 500 Vdc for 3 ms to user source terminals
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Module Supply Voltage In
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11.4 - 12.6 Vdc, 0.5 A max. load working
80 mA inrush current
Minimum recommended power supply: 1.0 A
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Maximum Impedance Limitations
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Group
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L Inductance
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C Capacitance
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A & B
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80 mH
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1.0 mf
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C
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300 mH
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3.0 mf
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D
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700 mH
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8.0 mf
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Note: These are Factory Mutual requirements. Please consult with your vendors regarding field devices, wiring, and barriers to ensure compliance.
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Terminal Connector
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AS-8535-000
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Factory Mutual FM 3610
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Requires use of key pins and MD-8741-000 barrier strip included with the module
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Reference Type
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Mapped as 16 bits input
1x
or
Mapped as 1 register input
3x
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Input Type
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BIN/BCD
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