1. Signal-side odd numbered terminals supply the DC return.
2. Signal-side even numbered terminals supply the +5, +15 or +24 V dc logic voltage signal.
3. Module can be turned on by applying a positive voltage to the odd terminals (active high logic), or by applying a dc return to the even pins (active low logic).
4. Power-side terminals are polarized for dc applications, and non-polarized for ac applications.
WRC4-A16I can be used with up to 16 WRC4-series I/O modules. The terminal blocks both accept insulated wire with stripped ends or ferrules. Each power side point is individually isolated. The signal side has individual control signals for positive-true or negative-true logic applications, plus a common dc return. They are designed for panel mounting with four stand-offs. Specify WRC4-A16I-DIN for mounting on DIN rails, such as the WRC50022.
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