Two selectable 1-5 VDC or 4-20 mA 12-bit analog inputs
Two optically isolated 12 VDC pulse inputs
Four optically isolated 12 VDC digital inputs
Four 12 VDC 100 mA digital outputs
Two form C latching SPDT relay outputs
Two expansion connectors for interfacing to added input and output devices
Built in RS-232 serial communications port
Expansion connector for added serial communications equipment
Recognizes MODBUS communications protocol for integrating with SCADA systems.
Built in power supply provides power for the 604 SLCR, 12 VDC backup battery charging, 24 VDC loop supply, 12
VDC external accessories, and 8.5-13.5 VDC (adjustable) external accessories.
Backup battery operating mode allows the 604 SLCR to continue to run off of an external 12 VDC battery in the event
of an AC power failure
Eight option switches for programming flexibility
Communication address switches allowing addresses from 0 to 255 to be configured.
Status indicator LEDs for communications, pulse inputs, discrete inputs, and relay outputs.
