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Smart Relays
Altech Smart Relays integrate relay control and PLC functionality in a compact design—ideal for automation, logic control, and small industrial applications.


Altech's Smart Relay comprises 2 base modules featuring an AC and DC version including 8 Inputs and 4 Relay OUtputs. Each allows for up to 3 Expansion module to be connected for a maximum of 32 Inputs and 16 Outputs. Fast and easy setup and programming is done thru a free software available for download from the Altech website. An additional Communcation Module allows communication with remote devices.
- Supports up to 48 I/Os (32 digital inputs & 16 digital outputs)
- DST feature available
- Backlit LCD Screen for display & modification of preselected parameters of functional blocks, viewiung I/O status and programming on the device
- PC software for programming, online & offline simulation, documentation, and printing
- Designed for use in automation for commercial & Industrial sectors
- Modbus Communication
Programming Features
- 250 lines of ladder progamming
- 16 soft text messages, Time Switches, Compare Counters, Timers, Counters & 12 analog functions
Function Blocks
- Timers: 16 (ON Delay, Interbal, Cyclic ON-OFF, OFF Delay)
- Counters: 16 (Up/Down, Retentive selectable)
- Time Switches: (Weekly/Daily)
- Compare Counters: 16
- Analog Functions: 12 (DC Model)
- Soft Text Messages: 16 (Priority Driven)
- Auxiliary Relays: 32