1640-IN-031-C-08 Page 101 of 104
MACO Series Controller Installation
Eurotherm/Barber-Colman
Offset: -2 to 10 Vdc
Type 1 (3 Inputs) General Purpose, 0-10 Vdc (nominal)
Excitation voltage: (+10 Vdc @ 20 mA) for potentiometers
Potentiometer resistance: 2k to 10k Ohms
Type 2 (2 Inputs): Pressure 0 to +10 Vdc (nominal)
from high level output pressure transducer
Tachometer (1 Input): +15 Vdc maximum input at 1 kHz.
+12 Vdc excitation at 10mA provided
Input Resolution : 12 Bits
Outputs
Number: 4
Voltage: 0 to +10 Vdc or 0 to -10 Vdc
(Control Relay Selectable)
Load Impedance: 3500 Ohms Minimum
Output Resolution: 13 Bits
High Speed Analog Signal Processor (Parison Card, 2 maximum per rack)
Analog Inputs
Input Signal: ±10 Vdc or ±20 mA (jumper selectable)
Input Impedance: 100k Ω minimum voltage input
500 Ω current input
Input Function: General purpose. Signal conditioners are recom-
mended to obtain isolation and proper signal levels
Analog Outputs
Output Signal: ±10 Vdc
Output Current: 4.5 mA maximum into a 2.2k Ohm load
Input/Output Isolation: Each I/O Pair is Isolated from all Other Pairs
DC Discrete Logic Inputs/Outputs
(Requires External Supply)
DC Inputs
Input Voltage: -0.6 (minimum) to 40 Vdc (maximum)
On Voltage: 10 Vdc
Off Voltage: 5 Vdc
DC Outputs
Voltage: 24 Vdc maximum switched voltage
Current: 20 mA maximum switched current
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