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Reference Manual
00809-0100-4696, Rev AA
September 2004
Rosemount 848L
www.rosemount.com
Appendix A Reference Data
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-1
Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-5
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-7
SPECIFICATIONS
Functional
Specifications
Inputs
8 Discrete Inputs suitable for NAMUR specification sensors, 9-32VDC
sourcing sensors or general switch inputs (dry contact)
NAMUR Sensors:
On state: > 2.1 mA
Off state: < 1.2 mA
9-32 VDC Sourcing Sensors:
On state: > 50% of I/O voltage
Off state: < 20% of I/O voltage
General Switch Inputs:
On state: < 500 Ohms
Off state: > 5k Ohms
Minimum Pulse Width: 1ms
Maximum Pulse Input Frequency: 500Hz