# \#registers

**URL:** https://forums.digi.com/tag/registers/2293.md

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## [Digi One IAP Haz not transmitting data at certain Modbus Addresses](https://forums.digi.com/t/digi-one-iap-haz-not-transmitting-data-at-certain-modbus-addresses/16788)

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**Author:** [@sirus](https://forums.digi.com/u/sirus)\
**Replies:** 2\
**Last updated:** [July 7, 2016, 11:44am UTC](https://forums.digi.com/t/digi-one-iap-haz-not-transmitting-data-at-certain-modbus-addresses/16788 "2016-07-07T11:44:16Z")

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I’m attempting to use a Digi as a Modbus to ModbusTCP gateway and have hit a bit of a snag. When requesting sending data requests to certain Modbus addresses, the module refuses to transmit serial data to the device. If …

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## [How to write to read-only register?](https://forums.digi.com/t/how-to-write-to-read-only-register/16184)

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**Author:** [@vfreezy](https://forums.digi.com/u/vfreezy)\
**Replies:** 3\
**Last updated:** [February 2, 2016, 3:08am UTC](https://forums.digi.com/t/how-to-write-to-read-only-register/16184 "2016-02-02T03:08:11Z")

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I have a XBee Pro S2. There are various read-only register commands, how would one write to these registers?

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## [Digi one IAP Reading Modbus 3x inputs](https://forums.digi.com/t/digi-one-iap-reading-modbus-3x-inputs/15249)

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**Author:** [@Jacques\_Stevens](https://forums.digi.com/u/Jacques_Stevens)\
**Replies:** 1\
**Last updated:** [August 21, 2015, 11:06am UTC](https://forums.digi.com/t/digi-one-iap-reading-modbus-3x-inputs/15249 "2015-08-21T11:06:42Z")

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I’m interfacing a flowmeter using a DOIAP and I need to read several 3x registers starting at address 307002. The Digi One IAP assumes that AB file numbers N250 to N255 map to these. That means only to 30600. How is it p…