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The Modicon 140-ACI-040-00 is an 16 channel Quantum analog input module which accepts mixed current inputs. If the active LED is green, this means that Bus communication is on and present. If the “F” LED is red, than an external error has occurred. Unused inputs may cause the “F” LED to activate. In order to avoid this, one should configure the unused channels to the 0 -25 mA range. This module will also product an error signal if any channel detects a broken wire condition in the 4 - 20 mA range. The ACI04000 has a 1780 V AC Field to Bus isolation for 60 seconds. This module requires 17 contiguous, 16-bit words. Sixteen are for input data and one for channel status.
The Schneider Electric 140ACI04000 can be used in a safety architecture without interfering in the safety process. It is not responsible for any safety function, The module is fully compatible with a Quantum safety configuration, with or without conformal coating. For external wiring, it is recommended that shielded signal cables are used with the module. In noisy environments, a twisted shielded cable is recommended. Shielded cables should be connected the PLC’s ground, and a Shield Bar should be used in the connection. The maximum channel to channel working voltage cannot exceed 30 V DC. If you are field wiring the I/O module, the maximum wire size should be 1-14 AWG or 2-16 AWG, and the minimum recommended size is 20 AWG. Tightening torque should be 0.5 - 0.8 Nm. Be sure to properly position the right angle F adapter connector before tightening the locknut to its recommended torque. While tightening, be sure to maintain the connector securely, and do not tighten the F adapter beyond the specified torque. If these instructions are not followed, equipment damage could result. There are no internal fuses in the module, and external fuses should be installed by the user per local and national electrical codes.
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