Innotech Maxim - Manual (Page 29)

Page 29
MAXIM Installation Instructions
© Mass Electronics Pty Ltd 2011 Chapter 3 – Electrical Installation
3-3.1.2 Universal Inputs
The MAXIM I, II, III, and 1010 controllers are equipped with Universal Inputs that can be configured to
suit a wide range of applications as described in Table 3-3 below. Each Universal Input has a signal
terminal (+) and a reference terminal (–).
Table 3-3: Input/Output Range for Universal Inputs
Input Type Input Range Output Range
Analogue 0-10VDC 0-10VDC
Thermistor
High Thermistor 100kΩ – 680kΩ -20°C to 100°C
Low Thermistor 662kΩ – 12kΩ -50°C to 20°C
Lux Sensor 1MΩ – 0Ω 3 to 2500 LUX
Digital
Voltage 0 – 10VDC OFF or ON
Contact Open or Closed OFF or ON
Pulse Counter
Voltage
0 – 10V Square Wave
20ms Min. ON Time
20ms Min. OFF Time
0 to 25 pulses per second
Contact
Open or Closed
20ms Min. ON Time
20ms Min. OFF Time
0 to 25 pulses per second
Duty Cycle
Voltage
0 – 1 Square Wave
1 – 13Hz
0 to 100%
Contact
Open or Closed
1 – 13Hz
0 to 100%
Please note that the LUX Sensor input mode is suitable for switching based on ambient light levels, but is NOT
suitable for any operation which requires the accurate measurement or recording of light levels.
NOTE