27
Low power arm, set by
percentage
手动复位/零报警使能
Manual reset/Zero alarm
enable
7.4.2
说明:
1 电压、电流、功率等数据数值计算方法:(例
见:7.5.1 读数据)
读数 =有效值× 10
(
指数位
-3)
Description:
①Calculation method of Voltage, current, power
and other data :(example: 7.5.1 read data)
Reading = Effective value × 10
(Index -3)
18:
开关量输入
/
输出状态字:
Switch input/output status word:
19:报警状态字:Alarm status word:
同低
8
位的状态
Same as the low 8
bits
第 2 路开关
量输入
No. 2
switch
input
第 1 路开
关量输入
No. 1
switch
input
说明:
①“——”表示保留字或保留位。
2 警标志位:1 为有报警,0 为无报警。
Description:
① "-" indicates a reserved word or reserved bit.
②Warning flag: 1 for alarm, 0 for no alarm.
7.5
通讯应用
Communication application
The examples in this section use the following
table format as far as possible (the data is in
hexadecimal)
数据读取个数
Number of data read
循环冗余校验码
Cyclic redundancy
check code
Example 1: Reading current data
01 03 04 03 b2 00 00 5a 50