4 Transmitter start up
36 | 266 MODBUS® multivariable transmitter User manual 2105216 Rev. AB
Device bias
An important part of device installation is removing the offsets that may occur during shipping, handing, or positioning. To
remove the offsets, use the Bias options in the Device Setup menu. For specific information go to section 5.13, Setting the
measurement bias.
Communication configuration
In most installations, a Host device will communicate to the transmitter over an RS-485 MODBUS
®
communications link.
Use the following instructions to verify that the communication parameters in the transmitter match those in the Host:
1. Press the right soft key to access the HMI menu.
2. Use the key pad to locate and select Communication.
3. View each parameter setting by selecting each submenu item and viewing the setting.
4. Edit each parameter shown in Table 12, if necessary, to configure communication for the site’s specific requirements.
a. To edit a specific parameter, press Edit and change the parameter.
b. Locate the appropriate selection and select OK.
5. When finished viewing and editing the parameters, press the left soft key (Back) to exit back to the main screen.
Table 12: Communication parameters
ABB 266\267 Map
Rosemount 3095FB Map
Invensys IMV25 Map
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