Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.

Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).

DLMS / COSEM

Popular Discussions

Trending topics with the highest engagement, field replies, and engineer votes.

+ Post

S

OBIS 1.0.32.7.0.255 Phase A Voltage Scaler-Unit 0xFF Parsing Bug (-1 vs 255 Exponent)

obis scaler-unit register class-3 voltage sarah_jenkins

86 18 4
M

How to optimize DLMS Compact Profile and Short Name addressing over Wireless M-Bus (EN 13757) for 15-year battery life?

wirelessm-bus lowpower watergasmeters framecompressio en13757 marcus_vance

98 24 4
A

DLMS High-Level Security (HLS 5 / GMAC) AARQ Association Rejection (Result: 0x01)

security hls5 gmac aarq encryption alex_turner

88 19 4
M

Is Class 9 (Script Table) Dynamic Behavior Orchestration a Security Vulnerability or an Advanced Edge Feature?

dlms cosem class-9 class-70 security marcus_vance

142 46 4
C

What essential field debugging tools and hardware isolators do engineers carry for substation DLMS captures?

fieldengineerin hardwaretools troubleshooting substation rs485 carlos_mendez

84 17 4
E

How do architectural differences between Modbus RTU and DLMS/COSEM shape protocol selection in IoT gateways?

protocolcompari modbus dlms gateway elena_rostova

94 22 4
E

What is the biggest conceptual culture shock when transitioning from Modbus/DNP3 to DLMS/COSEM?

modbus dlms protocolcompari architecture discussion elena_rostova

82 16 4
C

HighGMAC AARE is accepted, but GET still fails — am I treating HLS like LOW authentication?

high-gmac hls aarq association-ln dlms-security carlos_mendez

94 22 4
S

Dual Single Action Schedule (Class 22) vs Unified Schedule Table (Class 10): Practical Workaround or OBIS Misuse?

dlms cosem class-10 class-22 obis sarah_jenkins

126 38 4
S

Python parser for compact-array capture objects

python parser compact-array sharur_gate2_admin

77 21 3
S

HLS GMAC fails after Invocation Counter reset

hls-gmac security dlms sharur_gate2_admin

87 26 3
S

Decode ActionResponseNormal: OtherReason vs temporary failure

action apdu cosem sharur_gate2_admin

83 24 3
S

HDLC frame rejected after SNRM: where to inspect HCS and FCS

hdlc trace framing sharur_gate2_admin

81 23 3
S

DLMS/COSEM Activity Calendar (Class 20) TOU Tariff Table Switching

activity-calend tou tariff class-20 smart-grid sarah_jenkins

73 19 3
S

COSEM Class 21 (Register Activation) for Dynamic Tariff Masking & CPP Rate Adjustments

register-activa class-21 tariff-mask energy-register sarah_jenkins

65 15 3
C

Multi-Utility M-Bus Meter Pairing (Gas, Water, Heat) via DLMS Class 74 (M-Bus Setup)

m-bus wireless-m-bus gas-meter water-meter multi-utility carlos_mendez

61 13 3
S

DLMS Extended Register (Class 4) Status Byte Bitmask: Reverse Flow & Tamper Detection

extended-regist class-4 status-byte data-integrity sarah_jenkins

61 13 3
M

Selective Access by Range on Profile Generic (Class 7) Returning Empty Buffer

profile-generic selective-acces class-7 load-profile marcus_vance

67 16 3
C

IEC 62056-21 Mode E Optical Probe Sign-On and Baud Rate Switch Failure

optical-probe iec-62056-21 mode-e baudrate serial carlos_mendez

63 14 3
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

Page 2 of 4