Curtis 1352 handleiding
Handleiding
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2 — INSTALLATION AND WIRING
Curtis 1352 eXm Manual, June 2021
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pg. 8
Outputs
All the drivers (Pins 9–14) are identical. Each is capable of driving a closed-loop current-controlled
proportional valve or a voltage-controlled contactor. Each driver has independent mode, max, and
dither settings.
ese are high-power drivers. e internal impedance to ground will cause leakage current to ow
through the output even when the output driver is o. is leakage current can be enough (>2 mA)
to light high-eciency LEDs.
In the wiring diagram, the output at Pin 11 is shown driving a proportional valve coil. is driver is
programmed for Constant Current mode and would have some Dither applied.
e second output shown (Pin 12) is driving a basic contactor coil. is output is in the Constant
Voltage mode and can be set to run at a lower voltage than the nominal battery voltage.
Switch Inputs
All the outputs can be used as Active High inputs (“On” when connected to B+). It is important
that the output command be set to 0% for each input used or a direct short from B+ to B– will be
generated when the driver is pulsed On, which could damage the FET driver. In the wiring diagram,
I/O 6 is shown as an Active High input switching to B+.
Analog Inputs
e rst analog input is shown being used with an RTD. is requires enabling the Analog Input 1
pull-up, which allows the input to measure resistive sensors. Note that Analog Input 3 can only be
used with sensors that provide a voltage output.
CAN Bus
e eXm has an internal 1kΩ bus termination resistor. is internal impedance matches the system
requirements for a mid-line connection or short stub connection. If the eXm is to be used at the end
of the CAN bus, an external 120Ω ½W resistor must be added externally across the CAN H and
CAN L lines at or near the eXm to provide proper termination. e higher the bit rate (i.e., the higher
the baud), the more critical this becomes. e eXm can communicate up to 1Mbps on a properly
terminated/wired bus.
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Productinformatie
| Merk | Curtis |
| Model | 1352 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 5176 MB |
