AutomationDirect Logo DL405 Frequently Asked Questions




Product Selected: DL405
Category Selected: Communications

Press "Ctrl-F" to search for specific words in this FAQ.

Question: Which protocol do I choose for communication to the RS-232 port of a Slice I/O slave?
Answer: Use K-Sequence protocol for communications to the RS-232 port of any Slice I/O slave.
FAQ ID: 135
Question: Can the DL405 use Modbus protocol?
Answer: The D4-450 can use Modbus on Port 1 or Port 3 as Master or Slave. The D4-430 and the D4-440 can be a Modbus Master by using the F4-MAS-MB or Slave by using the F4-SLV-MB.
FAQ ID: 136
Question: Does the DL405 series support DNP 3.0 protocol?
Answer: At this time, it does not.
FAQ ID: 143
Question: How do I do ASCII out with a D4-440?
Answer: You must use a coprocessor module.
FAQ ID: 145
Question: Can the D4-DCM work in DirectNET ASCII mode in peer-to-peer setup?
Answer: No. The D4-DCM cannot use DirectNET ASCII in peer-to-peer mode.
FAQ ID: 147
Question: Do you offer precision resistors?
Answer: At this time we do not.
FAQ ID: 153
Question: Do the DL405 PLCs have Ethernet onboard?
Answer: No, you need to add an H4-ECOM.

FAQ ID: 335
Question: Can the D4-430 support K-sequence out of both comm ports at the same time?
Answer: No, If you want to use the both com ports at the same time, port 1 must be K-sequence & port 2 must be DirectNet. If port 1 is not used, port 2 can support K-sequence.



FAQ ID: 430
Question: I have an older D4-440 CPU, will it work with the H4-ECOM?
Answer: Yes.
FAQ ID: 470
Question: Can I have multiple ECOMS in a DL405 base?
Answer: Yes, you can have up to 8.
FAQ ID: 628