6
IQAN-MC2
3 Product description
Instruction book, IQAN-MC2
Inputs
The IQAN-MC2 module has five (5) voltage inputs VIN-A thru VIN-E for connection
of 0-5 Vdc signals. The inputs are multi-purpose and for flexibility may be configured
in other ways. The input pins VIN-A and VIN-E can be configured as on/off inputs for
switches or as frequency inputs for measuring frequency. Voltage inputs, on/off inputs
and frequency inputs share positions, see list.
Proportional outputs
The MC2 module has eight (8) double proportional outputs for controlling proportional
valves. These outputs can control eight bi-directional valve sections or eight single
solenoid devices (ie. proportional cartridge valves). The proportional outputs can be
used in two different modes. Either Current mode (current closed loop) or PWM mode
(voltage open loop) signals can be selected and the parameters configured using IQAN
software.
For flexibility these outputs may also be configured as up to eight (8) on/off outputs and
up to eight (8) on/off inputs or voltage inputs. Additional functionality for these
positions is as up to sixteen (16 ) low-side on/off outputs. The proportional outputs, on/
off outputs, on/off or voltage inputs and low-side on/off outputs share positions, see
below.
In order to increase the performance of the proportional outputs when controlling
proportional valves, the dither frequency can be adjusted.
(5) Voltage inputs VIN-A thru VIN-E
or
(5) Frequency inputs FIN-A thru FIN-E use positions VIN-A thru VIN-E.
or
(5) Digital inputs DIN-A thru DIN-E use positions VIN-A thru VIN-E.
(8) double proportional outputs COUT-A thru COUT-H
or
(8) double proportional outputs PWMOUT-A thru PWMOUT-H
or
(8) on/off outputs DOUT-A thru DOUT-H.
Each pair of return pins may then be used as:
(2) low-side digital output switches (16) total, DOUT(LS)-I thru DOUT(LS)-X.
It is recommended to use one or more of DOUT-A thru DOUT-H as source if
used in this manner, for safety.
The pairs of return pins associated with DOUT-E thru DOUT-H may also be
used as:
(2) on/off inputs, (8) total, DIN-F thru DIN-M.
(2) voltage inputs, (8) total, VIN-F thru VIN-M.
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