GW-5492/GW-5493 User’s Manual
V1.01 2011/09/01
18
a
b
Figure 13. Point management
Point Address: Remote device address is referred to the specific Modbus device
Count: Address count. The number of address blocks are read/written at a time
Type: The types of registers in Modbus devices include Coils, Discrete Input, Input Register and
Holding Register
Type Define: Data type of this point, including BIT, CHAR, UCHAR, INT16, UINT16, INT32,
UINT32, FLOAT and DOUBLE.
Sampling: Polling period for this point. The minimum unit is ms.
TimeOut: Time out for waiting
ScaleFactor and Intercept: Scaling applies the formula y=mx+b. When reading from the slave, the
raw data as read is multiplied by the scale factor, and then the offset is added to produce the
resulting Present Value. (Present Value = raw data value * Scale Intercept)
Low: The minimum threshold of present value
Hi: The maximum threshold of present value
Read/Write: Set this point as writable or read only
Del
:
Delete current point