Rockwell Automation 1791-I0VX BLOCK I/O - Manual (Page 47)

Appendix
A
A-1
Specifications
General Specifications
External power
Range: 18 to 26.4V dc
300mA @ 24V dc; initial surge 2.0A for 10msec
Power Dissipation 25.2 Watts (maximum); 15.2 Watts (typical)
Thermal Dissipation 86.2 BTU/hr (maximum); 51.9 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 13.0H x 1.72D
Millimeters: 156.21W x 334.0H x 43.7D
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
Non-operating
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 64 (4 groups of 16)
Input type 1791–IOBX – Sinking; 1791–IOVX – Sourcing
On-state voltage range 12.0 to 26.4V dc
On–state input current 1.56mA (minimum)
Off–state voltage 7.0V dc (maximum)
Off–state current 1.0mA dc (maximum)
Turn On time 10msec (maximum) (+4msec)
Turn Off time 10msec (maximum) (+4msec)
Input to System Isolation 1500V ac (opto) for 1 second
Group to Group Isolation 1500V ac (air gap) for 1 second