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CI-9110 6-1 Specifications
Chapter 6
SPECIFICATIONS
6.1 ANALOG INPUT MODEL
Function: Uses Analog Input to set a pressure output signal.
Ranges: 4 - 20 mA dc or 1 - 5 Vdc
Input Impedance: For 1 - 5 V > 330 K Ohms
For 4 - 20 mA > 250 Ohms, ±0.1%
Analog Fault Detector: Stepper Motor is cut off when AI < 0.8 V, ±0.1V
6.2 RAISE/LOWER INPUT MODEL
Function: Uses Raise and Lower Inputs to set a pres-
sure output signal. Input may be configured
to accept a continuous ON/OFF dc signal or
incrementing dc pulse signal.
Input Characteristics: Opto-isolated and bi-polar. Limited to 47 V by
metal oxide varistor (MOV).
Types of Inputs Accepted: May be configured for continuous dc input
signal (On or Off) or dc pulse incrementing
signal.
Continuous DC Input: Maximum dc input level is a function of the
supply voltage as follows:
12V Model: 11 - 14 Vdc
24V Model: 22 - 28 Vdc
DC Pulse Incrementing Input: Pulse rates adjustable from 0.110%/pulse to
1.830%/pulse. Pulse must be held in TRUE
state for time period necessary for Regulator
to reach the new output value. An input that
changes state before completion of an
operation will have its remaining pulse in-
crement discarded. The next complete pulse
starts a new increment.
Input Impedance: For 12V Model: 1800 Ohms
For 24V Model: 4300 Ohms