Specifications

Publication 1794-SG002D-EN-P - May 2012
30 Select FLEX I/O Modules
Current, sensor source, max 50 mA
Dimensions (HxWxD), approx 46 x 94 x 53 mm (1.8 x 3.7 x 2.1 in.)
94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.) installed
Isolation voltage 50V continuous, I/O to system
Tested to 2121V DC for 1 s, I/O to system
No isolation between individual channels
(1) See 1794-IB16D Derating Curves.
(2) Module must detect if the reverse polarity external power supply voltage is greater than the value.
Digital DC Diagnostic Output Module
Specification 1794-OB16D
Voltage, on-state output, min 10V DC, sinking
Voltage, on-state output, max 31.2 DC
Voltage drop, on-state output, max 0.5V DC @ 0.5 A
Terminal base unit 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK
Current, on-state output, min 2.0 mA per channel
Current, on-state output, max 500 mA per channel
8 A per module
Leakage current, off-state output, max 0.5 mA
Output surge current, max 2 A for 50 ms, repeatable every 2 s
External DC supply voltage range 10…31.2V DC (5% AC ripple)
External DC supply current range 56…78 mA
Power dissipation, max 4.8 W @ 31.2V DC
Thermal dissipation, max 16.4 BTU/hr @ 31.2V DC
Short circuit protection Thermal shutdown (auto reset)
(1)
Open wire detection, off-state leakage
current
0.1 mA
(2)
Detect reverse polarity voltage, min 10V
(3)
Current, sensor source, max Yes
Dimensions (HxWxD), approx 46 x 94 x 53 mm (1.8 x 3.7 x 2.1 in.)
94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.) installed
Isolation voltage 50V continuous, I/O to system
Tested to 2121V DC for 1 s, I/O to system
No isolation between individual channels
(1) Short circuit protection detection condition: when external power active, output signal active, and output port
voltage less than 2V.
(2) When external power active and output signal inactive
(3) Module must detect if the reverse polarity external power supply voltage is greater than the value.
Digital DC Diagnostic Input Module
Specification 1794-IB16D