SLC 500 Controllers

Features

• Ladder-logic and structured-text programming
• Advanced instruction set including file handling, sequencer, diagnostic, shift register, immediate I/O, and program control instructions
• Built-in RS-232/422/423 communication port
• DeviceNet and ControlNet I/O on selected processors
• One or more on-board ports that can be configured for either Data Highway Plus™ (DH+) or Universal Remote I/O
• Universal Remote I/O ports can be configured as an I/O scanner port or an I/O adapter port
• Ethernet PLC-5® controllers and the Ethernet interface module (1785-ENET) provide built-in web services
• Backup options for increased fault tolerance through the ControlNet™ Hot Backup module or the PLC-5 Backup Communication module
  

SLC 500 Controller Comparison

Controller Series	Instruction Memory Words	Max. I/O Points	I/O Options	Built-in Ports	Additional Features
SLC 5/01	1 K or 4 K	960	Local I/O	DH-485 (cannot initiate messages)	Basic set of 51 instructions
SLC 5/02	4 K	4096	Local I/O, remote I/O	DH-485	Expanded instruction set, faster scan times, extensive diagnostics for more complex applications
SLC 5/03	8 K, 16 K, or32 K	4096	Local I/O, remote I/O	DH-485, RS-232-C (ASCII or DF1)	Connects to external intelligent devices using the RS-232 port, without additional modules
SLC 5/04	16 K, 32 K, or 64 K	4096	Local I/O, remote I/O	DH+, RS-232-C (ASCII or DF1)	High-speed peer-to-peer communications and direct connection to PLC-5 controllers
SLC 5/05	16 K, 32 K, or 64 K	4096	Local I/O, remote I/O	Ethernet (10BASE-T 10/100 Mbps),RS-232-C (ASCII or DF1)	Ethernet supports program upload and download, on-line editing, and peer-to-peer messaging