Calex PCA Operatör El Kitabı - Sayfa 6
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Sayfayı YazdırELECTRICAL INSTALLATION
Sensor #1
Sensor #32
Wire colour codes:
Brown
PWR+
White
PWR-
Yellow
OP+
Green
OP-
PROTOCOL
•
The sensor transmits an 8-byte message every 200 ms containing the ambient and object
temperatures in °C.
•
The first 4-bytes are the object temperature encoded as a floating-point.
•
The second 4-bytes are the ambient temperature encoded as a floating-point.
•
This message is sent to the CAN ID stored in non-volatile memory. The ID is persistent between
power cycles.
•
The CAN ID may be set to a value from 0 to 2048 (0x0 to 0x800) as a 4-byte unsigned integer.
•
The emissivity setting may be set to a value from 0.2 to 1.0 as a 4-byte floating-point.
•
These floating-point values can be decoded simply using an IEEE 754 binary-to-decimal
converter.
6
OP+
+12 to +24 V DC
0 V
CAN output +
CAN output -
Ihr Schweizer Industriepartner
Power Supply
12 to 24 V DC
+
-
OP-
PWR+
PWR-
www.digiparts.ch
Other
CAN
devices