Rockwell Automation 1791-I0VW USER MANUAL - Manual (Page 37)

Appendix
A
A-1
Specifications
General Specifications
External power
Range: 18 to 26.4V dc
100mA @ 24V dc; initial surge 2.0A for 10ms
Power Dissipation 15.1 Watts (maximum); 7.6 Watts (typical)
Thermal Dissipation 51.8 BTU/hr (maximum); 25.9 BTU/hr (typical)
Remote I/O Isolation 850V dc (transformer) for 1 second
Interconnect cable length
(PLC or SLC)
RIO: 57.6K 10,000 cable-feet
115.2K 5,000 cable-feet
230.4K 2,500 cable-feet
Cable requirements RIO - Belden 9463
Dimensions
Inches: 6.15W x 7.0H x 1.75D
Millimeters: 156.21W x 178.0H x 44.7D
Conductors Wire Size
Category
14 gauge (2mm 2 ) stranded (maximum)
3/64 inch (1.2mm) insulation (maximum)
2 1
Environmental Conditions
Operating Temperature
Storage Temperature
Relative Humidity
Operating
NonĆoperating
32 to 140 o F (0 to 60 o C)
-40 to 185 o F (-40 to 85 o C)
5 to 95% noncondensing
5 to 80% noncondensing
1
Refer to publication 1770-4.1, Programmable Controller Wiring and Grounding Guidelines
Input Specifications
Number of Inputs 32 (2 groups of 16)
Input type 1791-IOBW - Sinking; 1791-IOVW - Sourcing
On-state voltage range 12.0 to 26.4V dc
Minimum on-state input current 1.56mA
Maximum off-state voltage 7.0V dc
Maximum off-state current 1.0mA dc
OnĆstate Current (typical) 5.2mA @ 24V dc
Input Impedance (nominal) 4.6K
Maximum turn on time 10msec (+4ms)
Maximum turn off time 10msec (+4ms)
Input to system isolation 1500V ac (opto) for 1 second
Group to group isolation 1500V ac (air gap) for 1 second