Rockwell Automation 1791-16A0 16 INPUT AC BLOCK - Manual (Page 11)

Installation Instructions
Block I/O
Cat. No. 1791-16A0 Series B
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1791-16A0 Series B Specifications
Input Specifications
Inputs per Block 16 (2 groups of 8)
Nominal Input Current 11.0mA
Nominal Input Voltage 120V ac
On–state Voltage Range 79–132V ac, 47–63Hz
Off-state Voltage Maximum 35V
On-state Current Minimum 5mA @ 79V, 60Hz
Off-state Current Minimum 2.3mA (60Hz)
Input Impedance Maximum 15K ohms @ 60Hz
Input Signal Delay Off to on
On to off 1.0ms
26ms (maximum) (allows for 1/2 cycle dropout)
General Specifications
External Power (Internally protected
- no external fuse required)
Voltage
Current 85–132V ac, 47–63Hz
150mA
Dimensions Inches
Millimeters 6.95H X 2.7W X 3.85D
176.5H X 68.8W X 98D
Isolation Power supply to RIO
I/O Group-to-Group
I/O Group-to-Logic 500V ac
1250V ac
1250V ac
Power Dissipation Maximum 8.9 Watts
Thermal Dissipation Maximum 30.35 BTU/hr
Environmental Conditions
Operational Temperature
Storage Temperature
Relative Humidity 0 to 60 o C (32 to 140 o F)
–40 to 85 o C (–40 to 185 o F)
5 to 95% noncondensing
Conductors Wire Size
Category
14 gauge (2mm 2 ) stranded maximum
3/64 inch (1.2mm) insulation maximum
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1
1 You use this conductor category information for planning conductor routing as described in the
system level installation manual.