Multifunction LED Display Panel
选件卡，输出 继电器
得捷:
1-RELAY DIGITAL OUPUT MODULE
Allied Electronics:
PANEL METER, OUTPUT CARD, ON RELAY OUTPUT
Newark:
# CARLO GAVAZZI BOR1 Output Module, UDM35, UDM40, USC Series, 1x Relay
MASTER:
1-RELAY OUTPUT MODULE REV.10