Dynamic SFC332L, Operator'S Manual

Page: 32 / 148

Dynamic Flow Computers SFC332L Manual Quick Start
— 1-27
Date: 8/1/2019
Wiring of Status Inputs:
There is one status input standard and an optional three more on the back of the CPU board. The standard
status input is shown in the wiring diagram under
Status Input
. It has 4 volts of noise hysteresis,
with a trigger point of 5 volts and an off point of 1 Volt. Status inputs 2, 3, and 4 require the I/O expansion
connector and its wires be installed; refer to wiring drawing
IO-Exp
. Connection numbers 6, 7, and 8 are
the status in (positive) for inputs 2, 3, and 4, respectively, and 11 is the return for all three inputs.