Technical data
36 Rockwell Automation Publication 1769-TD005I-EN-P - August 2014
CompactLogix Controllers Specifications
Table 23 - Embedded DC Input Specifications
Attribute 1769-L23E-QB1B, 1769-L23E-QBFC1B, 1769-L23-QBFC1B
Inputs 16 (8 points/group)
Voltage category 24V DC sink/source
Operating voltage range 10…30V DC @ 30 °C (86 °F)
10…26.4V DC @ 60 °C (140 °F)
Digital filter, off to on 0 s, 100 μs, 500 μs, 1 ms, 2 ms
Input delay, off to on 100 μs (typical), 300 μs (max)
Digital filter, on to off 0 s, 100 μs, 500 μs, 1 ms, 2 ms
Input delay, on to off 250 μs (typical), 1 ms (max)
Off-state voltage, max 5V DC
Off-state current, max 1.5 mA
On-state current, min 2 mA @ 10V DC
Inrush current, max 250 mA
Input impedance, max 3 kΩ
Cyclic update time 100 μs…750 ms
Isolation voltage 75V (continuous), basic insulation type
Type tested at 1200V AC for 60 s; inputs to system backplane and input group to input
group
IEC input compatibility Type 3
Isolated groups Group 1: inputs 0…7
Group 2: inputs 8…15
Isolated groups operate in either sink or source configurations
Table 24 - Embedded DC Output Specifications
Attribute 1769-L23E-QB1B, 1769-L23E-QBFC1B, 1769-L23-QBFC1B
Outputs 16
Voltage category 24V DC source
Operating voltage range 20.4…26.4V DC
Output delay, off to on 0.1 ms
Output delay, on to off 1.0 ms
Off-state leakage current, max 1.0 mA @ 26.4V DC
On-state current, min 1.0 mA
On-state voltage drop, max 1.0V DC @ 1.0 A
Current per point, max 0.5 A @ 60 °C (140 °F)
1.0 A @ 30 °C (86 °F)
Also see the derating graphs
Current per module, max 4.0 A @ 60 °C (140 °F)
8.0 A @ 30 °C (86 °F)
Also see the derating graphs on page
37
Surge current per point 2 A for 10 ms per point, repeatable every 2 s
Load current, min 3 mA per point
Isolation voltage 75V (continuous), basic insulation type
Type tested at 1200V AC for 60 s; outputs to system backplane
Isolated groups Group 1: outputs 0…15 (internally connected to common)
Pilot duty rating 0.5 A, 24V DC @ 60 °C (140 °F)
1.0 A, 24V DC @ 30 °C (86 °F)