Features
16 way relay switch board

1: up to 16 switch relay
    On-off output
    Switching speed: 10ms ON/OFF
    Handover capability: DC30V/1A, AC250V/0.3A
2: 2 line photoelectric isolation input
    DC/AC 5-24V
3: RS232C instruction input, ASCII encoding
    Nineteen thousand and two hundred
    N
    Eight
    One
4: cascade using RS485 standard
    Support for 2 bit address selection
    The same module can support 4 cascaded
5: support single command full control
6: wide voltage input
    DC5V-24V
7: Mechanical Dimensions
    70*120*15mm