M2CP Digital Futronic User Manual
84829 Rev F
EIM Company, Inc 13840 Pike Road Missouri City, TX 77489 (281) 499-1561 Page 1
I
NTRODUCTION
The Digital Futronic module uses the latest integrated microcontroller technology to enable one
electronics module to perform valve actuator modulating and positioning control from analog control
signals. The control module uses EIM’s M2CP TBM01 termination panel for interface of all analog control
types. The Digital Futronic module converts 4-20mA analog input to digital for processing and from digital
to 4-20mA analog output for position feedback. The Digital Futronic module controls four EIM motor
control starter types.
1) Futronic II Electro-mechanical AC motor starter
2) Futronic III SCR H-Bridge Solid-state DC motor starter (Powered by 115VAC, 1-Ph)
3) Futronic IV Triac Solid-state (SSR) AC motor starter
4) Futronic VII MOSFET Solid-state pure DC motor starter (Powered by 24VDC or 48VDC)
F
EATURES AND
S
PECIFICATIONS
Digital microcontroller adapts to any actuator and valve size, speed/stoke-time, process pressure, etc. by
automatically tuning controls to obtain maximum accuracy without any user adjustments for dead band,
delay time, etc.
Automatic calibration of position input to valve travel limits.
Built-in protection for motor and motor controls.
DC motor speed control for Futronic III and Futronic VII.
Easy setup and calibration to user’s external analog control signal input and analog feedback output. All
setup and calibration adjustments by on-board DIP switches and two miniature push buttons.
LED indicators for normal/fault operating conditions, setup mode, loss of analog signal, and solid-state
motor control output.
Isolated Analog Input: 4-20mA with 12-bit (.025%) resolution (calibration range of 0-24mA). 210 Ohms
input resistance. Operates from 10V to 32V loop supply. Allows up to 750 Ohms loop resistance at 24V.
Isolated Analog Output: 4-20mA with 16-bit (.0015%) resolution (calibration range of 0-24mA). Drive loop
resistance up to 750 Ohms. True current source with internal 24VDC power supply. No external power
source required to power loop. Internal automatic resetting fuse for 24VDC power supply.
Isolation dielectric strength: 2500V AC for 1 Minute (Input to output and I/O to ground).
Inverted Analog I/O Option: where 20mA = close valve position and 4mA = open valve position.
Go To Default Position Option: On loss of control signal, user selected default valve position anywhere
between 0 and 100%.
Control Accuracy: Futronic II mode +/- 1.0% @ 15 second stroke time or greater
Futronic III mode +/- 0.25% @ 15 second stroke time or greater
Futronic IV mode +/- 0.5% @ 15 second stroke time or greater
Futronic VII mode +/- 0.25% @ 15 second stroke time or greater
Nonlinearity: <0.05% of calibrated analog input and output over full range of 0-100%.
Operating Temperature Range: -40C to +85C (-40F to +185F), Humidity: 10% - 95% (Non-condensate)
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