- Communication Modules – allow the smart programmable relay to be connected to a Modbus network through an RS 485 link. Available in 2 operating voltages: 12-24V DC and 85-265V AC. The connection between the communication module and programmable relay base module is made through the communication module’s cable (included).
- Memory Card – allows for quick copy and distribution of program files from one Series 900 programmable relay to another, removing the requirement of connecting each relay to a PC or laptop.
- PC Serial Cable – allows for easy connection to a PC or laptop for quick program and data transfer. The serial cable is a 9 pin female connector.
- PC USB Cable – allows for easy connection to a PC or laptop for quick program and data transfer. The USB cable is USB 2.0 compatible.