UMAX180800, 20 Thermocouple, 2 RTD, 4 Inputs, 6 Relays Dual CAN Controller
Version 1
Page: 35-71
The
Slew Rate
configuration parameter defines the slew rate of the CAN transceiver the
following way:
Table 32. Slew Rates
Slew Rate Value
Transceiver Slew Rate
Note
Fast
~40
V/μs
Available for all baud rates.
Slow
~6
V/ μs
Only available for 250kbit/s baud rate.
The user can select the
Slew Rate
only when the inclinometer operates at 250 kbit/s baud rate.
For baud rates higher than 250 kbit/s, the
Slew Rate
is always set to
“Fast” independently of
the
Slew Rate
configuration parameter.
The
“Slow” slew rate is preferable at 250 kbit/s baud rate in the majority of applications due to
the reduced EMI of the CAN transceiver. The
“Fast” slew rate, in this case, is used when the
distance between CAN nodes substantially exceeds 40 m
– the maximum value defined by the
J1939/11(15) standard.
3.16 Constant Data
The Constant Data Block contains four configurable constant data setpoints which can be used
as a control source for other functions. While they are available as a control source to all
functions, it is recommended not to use constant data as a control source for the Set-Reset
Latch Block.
3.17 Ethernet
The
Ethernet
function block defines the Modbus TCP interface settings. It does not have signal
inputs and outputs.
Ethernet
Figure 8. Ethernet Function Block
Configuration parameters of the
Ethernet
function block are presented below.
Table 33. Ethernet Function Block Configuration Parameters
Name
Default Value
Range
Units Description
MAC Address
Set at the
factory
Any valid MAC
address
–
Ethernet MAC Address. Set at the
factory. Read-only parameter.
IP Address
192.168.1.34
Any IP address
–
The device IP address
Subnet Mask
255.255.255.0 Any IP address
–
The device subnet mask
Gateway
192.168.1.1
Any IP address
–
The device default gateway
Modbus Port
502
Any port value
except the
Discovery Port
(35100)
–
The Modbus listening port
