TestEquity 101H, Руководство по эксплуатации и обслуживанию

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Chapter 6 – Communications
Page 58 TestEquity 101H Temperature/Humidity Chamber
RS-232 Parameters
This section describes how to configure the RS-232 Modbus Communications settings in the
F4T controller.
Changing RS-232 Parameters
1. Press the Menu , Settings and Network buttons, in that order.
2. Under Communications Channels press Modbus .
3. Change desired settings.
4. Recycle the power to put the new settings into effect.
RS-232 Parameters and Settings
The bracketed bold settings below represent the defaults as delivered from the factory:
• Modbus Address : [1]
- Each device is given a unique address. Up to 247 devices can be on the same data
link.
•
Baud Rate : [9600]
- Must match the baud rate of your computer’s serial port and software.
• Parity : [None]
- Must match the parity of your computer’s serial port and software.
•
Display Units
: °F, °C [configured by TestEquity for °C]
•
Modbus Word Order
: [High], Low
- Modbus allows a user to select the word order of two 16-bit words in floating point
values.
• Data Map : [1], 2
- Data Map, the user can switch Modbus registers from the comprehensive listing of
F4T registers.
- Map 1 = F4T registers (default)
- Map 2 = Limited set of F4 compatible registers (for compatibility with software
written for the F4)