Product Description:
The digital input module SM 421; DI 32 x 24 VDC has the following features:
• 32 inputs, isolated in a group of 32
• 24 VDC rated input voltage
• Suitable for switches and two/three/four-wire proximity switches (BEROs,
IEC 61131; type 1)
The status LEDs indicate the process status.
The SM 421; DI 16 x 120 VAC has the following features:
• 16 inputs, isolated
• 120 VAC rated input voltage
• Suitable for switches and two-wire proximity switches
(BEROs, IEC 61131; type 2)
Welcome to contact the sales manager:
Sales manager : John Yang
Mobile / WhatsApp : +86 18150117685
Email: sales3@askplc.com
Skype : sales3@askplc.com
