This SLC-500 Migration Kit is the lowest cost, least downtime option for upgrading a SLC-500 system!

  • No re-wiring – continue to use existing SLC I/O
  • Little to no re-engineering, ladder logic and documentation automatically converts
  • Continue to use existing HMI and communication networks
  • Little to no re-training of personnel
  • Continue to use existing spare parts
  • Compatible with modern I/O, HMI, networks for future migrations
Kit Contents:
Ordering Information:

NeoPAC SoftPLC’s use TOPDOC NexGen software for configuration and troubleshooting. A free TOPDOC NexGen license is included with your first SoftPLC purchase, see the Offers Tab.

  • Specify the NeoPAC I/O and/or communication capacity using RT Size (“RT Size” button describes the options).
  • The NeoPAC supports 2 factory configured Option Ports.  One is pre-configured for A-B Remote I/O (RIO).  You can add a 2nd port for Data Highway Plus (DH+) or RIO, or for RS-485 communications (eg: for Modbus or ASCII)

Other factory options for the NeoPAC are available such as WiFi, embedded web server, email, and more. To configure a NeoPAC with other options, order the kit contents as separate items (links above). 


Options:  Your selections are appended to the part number (SKU), separated by dashes in the order listed below (if applicable).

RT Size: LT, 1K, 2K
NeoPAC Option Ports: BH-None, BH-485, BH-BH
Weight: 4 lbs
Dimensions: 8 × 6 × 5 in
  • A-B PLC Upgrade Incentive OfferFree programming/configuration software with your company’s first purchase of a SoftPLC PAC or Gateway! Simply add TOPDOC NexGen to your cart, and use coupon code “FreeTDNG” at checkout.
  • With your 1st purchase of TOPDOC PLC-2, PLC-5 or PLC-3, receive a $1000 discount on a new Smart or NeoPAC SoftPLC controller or Gateway.  Simply add your selected Smart/NeoPAC to your cart, and use coupon code “ABPLCUpgrade” at checkout.  (Free TOPDOC NexGen offer above also applies!)



SNS2-SMKIT: SLC-500 Migration Kit (NeoPAC)

SLC-500 CPU Migration Kit (keep existing SLC I/O)

Product Specifications Data Sheet | Specifications | More info…


About RT Size

RT Size is a SoftPLC license setting that determines communication driver maximums.  RT Size only applies if you are using:

  • ModbusTCP Master:  # of Server Connections
  • Ethernet/IP:  # of Connection Bytes
  • A-B DH+/RIO:  # of Logical Racks
  • Tealware Local I/O: # of Discrete I/O (largest of 2 values)
Which RT Size should I choose?  

Select Lite (LT) if you are not using the protocols above. Use the table below to determine the RT Size needed for your application.

RT Size MBTCP Enet/IP  A-B Racks I/O
LT 2 64  1 128
1K 16 512  8 1024
2K 32 1024 16 2048
8K 127 4096 64 8192
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