FLEX I/O AC Digital Input Modules
17
Publication 1794-IN102C-EN-P - July 2015
On-state voltage, nom
120V AC
On-state voltage, max
132V AC
On-state current, min
(1)
5.49 mA
On-state current, max
14.81 mA
Off-state voltage, max
20V AC
Off-state current, min
2.9 mA
Nominal input impedance
10 k
Ω
Nominal input current
12 mA @ 120V AC
Isolation voltage
120V (continuous), Basic Insulation Type
Type tested @ 1264V AC for 60 s, between field side and system
No isolation between individual channels
Input filter time
Refer to Input Filter Time table
FlexBus current
20 mA
Power dissipation, max
6.4 W @ 132V AC
Thermal dissipation, max
21.8 BTU/hr @ 132V AC
(1)
AC inputs compatible with proximity switches with leakage ratings of I
leak
< 2.5 mA and I
on
minimum = 5 mA
(2)
Auxiliary terminal strips are required when using the 1794-TBN.
General Specifications
Attribute
Value
Terminal base screw torque
Determined by installed terminal base
Dimensions, approx. (H x W x D)
94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.)
Indicators (field side indication)
8 yellow status indicators –
1794-IA8, 1794-IA8I
16 yellow status indicators –
1794-IA16
External AC power supply voltage, nom 120V AC
External AC power voltage range
65...132V AC –
1794-IA8, 1794-IA8I
74...132V AC –
1794-IA16
North American temperature code
T4A
Keyswitch position
8
Specifications – 1794-IA16
Attribute
Value
