INPUT MODULE: PULSE/QUADRATURE, +-12 VDC, 3 CHANNEL, P/QIM. Product: 621-0019 Honeywell Input Module: Pulse/Quadrature Input Voltage: +-12 VDC Channels: 3 Model: P/QIM 621-0019 Honeywell is a reliable and high-quality industrial product that is ideal for various industrial applications. It can be purchased at PLC2Day, your one-stop shop for all your industrial automation needs. Trust Honeywell for superior performance and durability in your industrial processes.