(IEEE floating point)
SLC_AIN, SLC_AOUT format 1
S0000 to S2045 Analog Value with Status
(IEEE floating point plus
analog status word)
SLC_AIN, SLC_AOUT format 2 and
format 3
Table 3-3. /GROUP Point List Fields (Cont’d)
Field Range/Value Description
3-2. Create the Configuration File
U3-1050 3-12 11/98
Westinghouse Proprietary Class 2C
Modbus Command Mnemonic Keywords
A mnemonic keyword is used to represent each of the supported Modbus
commands in the LC/Modbus link configuration or point-group file. These
keywords and their corresponding Modbus commands are detailed in Table 3-5.
Table 3-5. Modbus Commands
Mnem Modbus Command
Function
Code Description
RCS Read Coil Status 01 Reads Modbus Coil Statuses such as
C0001
RIS Read Input Status 02 Reads Modbus Input Statuses such as
I10002
RHR Read Holding Registers 03 Reads Modbus Holding Registers such
as HR40001

（IEEE浮点）
SLC_AIN，SLC_AOUT格式1
S0000至S2045带状态的模拟值
（IEEE浮点加号）
模拟状态（字）
SLC_AIN、SLC_AOUT格式2和
格式3
表3-3/组点列表字段（续）
字段范围/值说明
3-2. 创建配置文件
U3-1050 3-12 11/98
西屋专有2C级
Modbus命令助记符关键字
助记符关键字用于表示每个受支持的Modbus
LC/Modbus链路配置或点编组文件中的命令。这些
关键字及其对应的Modbus命令详见表3-5。
表3-5。Modbus命令
Mnem Modbus命令
作用
代码描述
RCS读取线圈状态01读取Modbus线圈状态，例如
C0001
RIS读取输入状态02读取Modbus输入状态，例如
I10002
RHR读取保持寄存器03读取Modbus保持寄存器，如
as HR40001