Applies To:
  • CitectSCADA 3.xx, 4.xx, 5.xx
Summary:
Citect's ABTCP protocol driver is used to communicate with Allen-Bradley PLC2, PLC3, PLC5, PLC5/250 and SLC500 PLCs. It supports a number of different communication methods with the use of the TCPIP, CIKT, and SSTAB low level board drivers. 

Solution:
Question:
 What communication methods can be used by the ABTCP driver ?
Answer:
 The ABTCP driver can communicate via TCP/IP, Data Highway and Data Highway Plus. To communicate via TCP/IP you must use the physical communications driver TCPIP. To communicate via Data Highway you must use the physical communications driver SSTAB. To communicate via Data Highway Plus (DH+) you can use either the physical communications driver SSTAB or CIKT. SSTAB is used for communications using the S-S Technologies SD-5136 card. The CIKT driver is used for communications using the Allen-Bradley cards including the KT, KTX, and KTXD.

Question:
I am using a card to AB processor capable of DH+ communication rates of up to 230k. Using the ABTCP protocol driver in conjunction with CIKT or SSTAB driver I can only achieve communication rates of 56k. Is there a way of increasing communication rates ?
Answer:
The ABTCP / CIKT and ABTCP / SSTAB combinations are not currently capable of achieving faster communication rates than 56k. We are researching this issue and will post new information here as it becomes available. An alternative is to use Citect's ABKT driver and Allen-Bradley's RSLinx which supports the full range of communication rates supported by the KTX card. See also Q1779.

Question:
Does the ABTCP driver require any additional software, for example RSLinx ?
Answer:
No. This driver does not need any additional software to allow communications between Citect and the PLC. Programming software is still require to setup the PLC communications however.

Question:
Does the ABTCP/CIKT driver combination support the 1784-PCMK card (the PCMCIA version of the 1784-KT card)?
Answer:
No. Use Citect's ABKT driver and Allen-Bradley's RSLinx instead.

Does the ABTCP/CIKT driver combination support the 1784-PCMK card (the PCMCIA version of the 1784-KT card)?No. Use Citect's ABKT driver and Allen-Bradley's RSLinx instead.

Question:
Does the ABTCP/CIKT driver combination support the 1784-PKTX or 1784-PKTXD card?
Answer:
CIKT Driver v2.02.00.000 or later supports the 1784-PKTX(D) plug-n-play PCI bus card.  See KB Article Q3375

 
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