Spectrasensors OXY5500, Руководство оператора

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Modbus Communication
OXY5500 Operator’s Manual 4
–
7
Table 4-1 Holding registers (Continued)
Register
Name
Address Size
Variable
Type
Description
Write
Access
4-20mA
Port1 Fixed
Value 4383 2 Float In fixed output mode, this
value is applied to the out-
put. Unit is mA. Yes
4-20mA
Port1 Error
Trigger Level
Value 4389 2 Int32 Output current in the event
of an error, where:
0x00 = 22mA
0x01 = 2mA Yes
4-20mA
Port1 Calibra-
tion Values 4329 8 Float 2 calibration values for a
low point and a high point
(each with a reference
value and device output).
Refer to
“4-20mA Port1
Calibration Values” on
page 4-15.
4-20mA
Port2 Output
Interface 4945 2 Int32 Code for 4-20mA Port1
Output Mode where:
0x00 = off
0x01 = fixed
0x02 = linear
0x04 = bilinear Yes
4-20mA
Port2 Output
Channel 4949 2 Int32 Code for 4-20mA Port1
Output Interface where:
0x01 = Oxygen
0x20 = Temperature Yes
4-20mA
Port2 Low
Value 4963 2 Float The 4mA output value.
Refer to
“Analog Input
and Output Value
Ranges”
on page 4-16.
Yes
4-20mA
Port2 Mid
Value 4965 2 Float The 12mA output value is
only used in bilinear mode.
Refer to
“Analog Input
and Output Value
Ranges”
on page 4-16.
Yes
4-20mA
Port2 High
Value 4967 2 Float The 20mA output value.
Refer to
“Analog Input
and Output Value
Ranges”
on page 4-16.
Yes
4-20mA
Port2 Fixed
Value 4969 2 Float In fixed output mode, this
value is applied to the out-
put. Yes