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DLMS / COSEM

Top Voted Discussions

Highest upvoted technical inquiries, protocol cheat sheets, and verified answers.

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A

DLMS Security Suite 1 vs Suite 2: ECDSA, ECDH, AES-GCM-256 and Key Agreement

security-suite ecdsa ecdh aes-256 cryptography alex_turner

52 16 2
M

Handling DLMS Push Setup (Class 40) DataNotification APDU with TCP Wrapper on Port 4059

push-setup class-40 data-notificati tcp-wrapper hes marcus_vance

61 13 3
S

DLMS Special Days Table (Class 11) for Holiday Tariff Overrides

special-days class-11 tariff billing calendar sarah_jenkins

61 13 3
D

DLMS Disconnect Control (Class 70) Remote Cut-off and Reconnection State Machine

disconnect-cont class-70 relay prepayment remote-cut david_miller

67 16 3
C

RS-485 Multi-Drop Bus Reflection and Biasing Issues in Smart Meter Substation Loops

rs485 hardware substation termination signal-integrit carlos_mendez

40 10 2
D

COSEM Script Table (Class 9) Remote Execution Patterns & Billing Snapshot Triggers

script-table class-9 automation remote-action david_miller

85 25 3
A

DLMS/COSEM Master Key Renewal via Class 64 (Security Setup) Key Wrap

key-management class-64 key-wrap kms security alex_turner

52 16 2
M

Wi-SUN Field Area Network (FAN) and DLMS/COSEM IPv6 Integration

wi-sun mesh-network ipv6 rf-mesh fan marcus_vance

42 11 2
C

Why does Disconnect Control (Class 70) Method 2 return Success (0x00) while output_state remains false?

dlms cosem class-70 relaycontrol fieldtriage carlos_mendez

142 46 4
S

Clock Synchronization (Class 8) Best Practices and Daylight Saving Time (DST) Transitions

clock class-8 dst rtc time-sync sarah_jenkins

73 19 3
D

Modbus RTU to DLMS/COSEM Gateway Protocol Translation Architecture

modbus gateway protocol-transl interoperabilit industrial david_miller

61 13 3
C

DLMS/COSEM Prepayment Token Carrier Management (Class 67 - Credit Interface)

prepayment class-67 sts token-carrier smart-pay carlos_mendez

40 10 2
D

DLMS Block Transfer (Get-Request-Next) Pagination & Window Flow Control

block-transfer get-request-nex pagination flow-control david_miller

38 9 2
E

DLMS Image Transfer (Class 18) Block Size Optimization & Verification Failure in OTA Updates

image-transfer class-18 ota firmware block-transfer elena_rostova

69 17 3
A

DLMS Communication Port Protection (Class 65 - Parameter Monitor)

security class-65 tamper-detectio parameter-monit alex_turner

67 16 3
S

DLMS Single-Phase vs Three-Phase OBIS Register Mapping Reference

obis-table registers three-phase metering-refere sarah_jenkins

42 11 2
M

DLMS/COSEM Association View Automation: Dynamically Generating Device Profiles

association-vie auto-discovery device-profile automation marcus_vance

40 10 2
C

DLMS Modem Configuration (Class 45 - Auto Connect & Auto Answer) over 4G/NB-IoT

auto-connect class-45 modem cellular apn carlos_mendez

61 13 3
D

DLMS/COSEM Conformance Testing Tool (CTT) Certification & Compliance Checklist

ctt certification compliance dlms-ua quality-assuran david_miller

61 13 3
S

Power Quality Total Harmonic Distortion (THD) and Sag/Swell OBIS Registers

power-quality thd harmonics voltage-sag obis sarah_jenkins

63 14 3

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