Hardware reference guide

I/O Modules
542
35013379 11/2011
140DAI44000 Quantum I/O 48 VAC IN Module
Overview
The AC Input 48 Vac 16x1 module accepts 48 Vac inputs.
Specifications
The following table shows the specifications for the DAI44000 48 VAC IN module.
Specifications
Number of Input Points 16 individually isolated
LEDs Active
1 ... 16 (Green) - Indicates point status
Required Addressing 1 word in
Operating Voltages and Input Currents*
47 - 53 Hz ON: 36 ... 56 Vac (9.3 mA max)
OFF: 0 ... 10 Vac
Typical Input impedance 6.8 kΩ capacitive
57 - 63 Hz ON: 34 ... 56 Vac (11 mA max)
OFF: 0 ... 10 Vac
Typical Input impedance 5.6 kΩ capacitive
*Do not use outside the 47 ... 63 Hz range.
Maximum Allowable Leakage Current
from an External Device to be
Recognized as an OFF Condition
1.7 mA
Absolute Maximum Input
Continuous 56 Vac
10 s 63 Vac
1 cycle 100 Vac
Response
OFF - ON Min: 4.9 ms., Max: 0.75 line cycle
ON - OFF Min: 7.3 ms., Max: 12.3 ms
Isolation
Input to Input 1780 Vac for 1 minute
Input to Bus 1780 Vac for 1 minute
Fault Detection None
Bus Current Required 180 mA
Power Dissipation 5.5 W max