Curtis 1229 handleiding
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3 — I/O MAPPING
1229 Manual - OS 1.8 RevA - May 2021
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pg. 38
COB ID(s) to the matching value based upon the 1229’s Node ID (38d in this example). is example
uses the default PDO mapping (explained in more detail, below).
See: Parameters » CAN Interface » Node ID = 38 (default)
Slave Mode » Operational on KSI = On
PDO1 RX COB ID = 294
e default PDO mapping will map this example’s CANopen data* into User objects in the I/O map
in this way:
111-User 1
Bit 0 = Neutral Switch
Bit 1 = Belly Button Switch Normally Open
Bit 2 = Rabbit Switch
Bit 3 = Horn Switch
Bit 6 = Lower Switch
Bit 7 = Li Switch
112-User 2
Wigwag throttle with range from 4095 in full reverse to 4095 full forward
113-User 3
Auxiliary wigwag throttle to control li/lower
Additionally, a redundant, normally closed, belly-button-switch is hard-wired to pull to ground; this
switch is Switch 5.
Note: e 1229’s Switches 1-4 are pull to B+ only, so they are not able to accept this switch input. If
a speed encoder makes Switch 5 unavailable, use a Pot input; with a threshold detect function, as
shown in earlier examples.
e User functions have parameters for min and max, to scale CANopen values into the I/O map’s
normal 0–100%. If min and max are both set to 0, the value enters the map without any scaling,
which is intended for situations such as 111-User 1 where data from multiple switches are packed
into one piece of data. ese will be unpacked using the Bit Mask functions.
e PDO mapping delivers the data into User functions 1-3.
e wigwag throttle data in 112-User 2 is scaled into the I/O map’s normalized 0-100% and processed
just as a wigwag on one of the Pot inputs would be.
e Li/Lower wigwag data in 113-User 3 is congured to drive an actuator motor on Drivers 3 &
4, as in Example 8.
e switch data in 111-User 1 is unpacked using Bit Mask functions and mapped into appropriate
functions. 41-Logic Gate 1 is unused to invert the “neutral” signal for use as a throttle enable, providing
a redundant check on throttle. e belly button n/o switch is for Emergency Reverse, along with the n/c
input on Switch 5. e horn button mapping is to drive a buzzer, using Driver 6 as a high-side driver.
With a few logic gates, further conguring the I/O map to require pressing the Li/Lower buttons
along with the Li/Lower wigwag to operate the actuator is possible. e example truncates here,
for the sake of brevity.
*The assumption of this example is that the CAN Tiller matches the message data to the 1229, so the data messages contain the
information as presented here. If it is not, then change the 1229’PDO Mapping to align the Tiller with the 1229.
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Productinformatie
| Merk | Curtis |
| Model | 1229 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 19864 MB |
