Technical data

Rockwell Automation Publication 1769-TD005I-EN-P - August 2014 15
CompactLogix Controllers Specifications
Table 9 - Embedded DC Input Specifications
Attribute 1769-L24ER-QB1B, 1769-L24ER-QBFC1B, 1769-L27ERM-QBFC1B
Inputs 16
Voltage category 24V DC sink/source
Operating voltage range 1769-L24ER-QB1B:
10…28.8V DC @ 40 °C (104 °F)
10…26.4V DC @ 60 °C (140 °F)
24V DC nom
1769-L24ER-QBFC1B, 1769-L27ERM-QBFC1B:
10…28.8V DC @ 40 °C (104 °F)
10…27.0V DC @ 55 °C (131 °F)
10…26.4V DC @ 60 °C (140 °F)
24V DC nom
Digital filter, off to on 0 s, 100 μs, 500 μs, 1 ms, 2 ms, 4 ms, 8 ms
Input delay, off to on 100 μs, min
8 ms, max
Digital filter, on to off 0 s, 100 μs, 500 μs, 1 ms, 2 ms, 4 ms, 8 ms
Input delay, on to off 100 μs, min
8 ms, max
Off-state voltage, max 5V DC
Off-state current, max 1.5 mA
On-state current, min 2 mA @ 24V DC per channel
On-state current, max 5 mA @ 24V DC per channel
Input impedance, max 5.2 kΩ @ 24V DC
6.1 kΩ @ 30V DC
Cyclic update time 0.5…750 ms
Isolation voltage 75V (continuous), Reinforced Insulation Type
Type tested at 1200V AC for 1 s and at 1700V DC for 1 s; group to system, group to 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 10 - Embedded DC Output Specifications
Attribute 1769-L24ER-QB1B, 1769-L24ER-QBFC1B, 1769-L27ERM-QBFC1B
Outputs 16
Voltage category 24V DC source
Operating voltage range 20.4…26.4V DC
24V DC nom
Output delay, off to on 0.05 ms
Output delay, on to off 0.5 ms
Off-state leakage current, max 0.1 mA @ 26.4V DC
On-state current, max 0.5 mA @ 24V DC per channel
On-state voltage drop, max 1.0V DC @ 1.0 A
Current per point, max 1769-L24ER-QB1B:
0.83 A @ 40 °C (104 °F)
0.5 A @ 60 °C (140 °F)
1769-L24ER-QBFC1B, 1769-L27ERM-QBFC1B:
0.83 A @ 40 °C (104 °F)
0.58 A @ 55 °C (131 °F)
0.5 A @ 60 °C (140 °F)