# Read Bit from 16 Bit Modbus Register mapped to General purpose 16 bit registers \[Doc 16377\] **URL:** \ **Category:** Technical Questions\ **Created:** [February 24, 2021, 10:08am UTC](https://forum.universal-robots.com/t/read-bit-from-16-bit-modbus-register-mapped-to-general-purpose-16-bit-registers-doc-16377/12540 "2021-02-24T10:08:25Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![m.birkholz](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.universal-robots.com/m.birkholz/32/7084_2.png) [@m.birkholz](https://forum.universal-robots.com/u/m.birkholz)\ **Post date:** [February 24, 2021, 12:25pm UTC](https://forum.universal-robots.com/t/read-bit-from-16-bit-modbus-register-mapped-to-general-purpose-16-bit-registers-doc-16377/12540/4 "2021-02-24T12:25:19Z")
well, that was your topic once 😃 > [@Direct addressing Fieldbus Registers with URCap](https://forum.universal-robots.com/t/direct-addressing-fieldbus-registers-with-urcap/5150): > > Hello all, I need to address some fieldbus boolean registers. They were on a modbus module before and they were pretty easy accessable, but we changed the system and now the robot has to communicate over fieldbus. As far as i understand there are no getValue() and setValue() Methods available for the boolean, integer and float registers. Through UR Script these values can also be written and read directly. Did i miss something? Is there a special reason for them beeing not available by Java? … --- _[View the full topic](https://forum.universal-robots.com/t/read-bit-from-16-bit-modbus-register-mapped-to-general-purpose-16-bit-registers-doc-16377/12540)._