Display Filter Reference: Modbus
Protocol field name: modbus
Versions: 1.8.0 to 4.2.4
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| Field name | Description | Type | Versions |
|---|---|---|---|
| modbus | AND mask | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Bit Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Bit Number | Unsigned integer (16 bits) | 2.4.0 to 4.2.4 |
| modbus | Bit Value | Boolean | 2.4.0 to 4.2.4 |
| modbus | Byte Count | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Byte Count (16-bit) | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Conformity Level | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Data | Byte sequence | 1.10.0 to 4.2.4 |
| modbus | Invalid decoding options, register data not a multiple of 4! | Label | 1.12.0 to 4.2.4 |
| modbus | CHAR | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Slave Character Overrun Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | CRC Error Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Exception Error Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Total Message Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Clear Counters & Diag Register Echo | Unsigned integer (16 bits) | 2.0.0 to 4.2.4 |
| modbus | Slave No Response Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Restart Communication Option | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Diagnostic Register Contents | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Echo Data | Byte sequence | 1.10.0 to 4.2.4 |
| modbus | Request Data | Byte sequence | 1.10.0 to 4.2.4 |
| modbus | Slave Device Busy Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Slave Message Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Slave NAK Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Diagnostic Code | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Event Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Message Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Broadcast Received | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Character Overrun | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Communication Error | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Currently in Listen Only Mode | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Currently in Listen Only Mode | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Read Exception Sent | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Slave Abort Exception Sent | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Slave Busy Exception Sent | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Slave Program NAK Exception Sent | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Write Timeout Error Occurred | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Status | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Event | Unsigned integer (8 bits) | 2.0.0 to 4.2.4 |
| modbus | Exception Code | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Function Code | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | MEI type | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | More Follows | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Next Object ID | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Number of Objects | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Object ID | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Object String Value | Character string | 1.10.0 to 4.2.4 |
| modbus | Object Value | Byte sequence | 2.0.0 to 4.2.4 |
| modbus | Object length | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | OR mask | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Padding | Unsigned integer (8 bits) | 2.0.0 to 4.2.4 |
| modbus | Read Device ID | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Read Reference Number | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Read Word Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Reference Number | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Reference Number (32 bit) | Unsigned integer (32 bits) | 1.10.0 to 4.2.4 |
| modbus | Reference Type | Unsigned integer (8 bits) | 1.10.0 to 4.2.4 |
| modbus | Register Value (16-bit) | Unsigned integer (16 bits) | 2.0.0 to 2.2.17 |
| modbus | Register Value (32-bit) | Unsigned integer (32 bits) | 2.0.0 to 2.2.17 |
| modbus | Register (IEEE Float) | Floating point (single-precision) | 1.10.0 to 1.12.13 |
| modbus | Register (Modicon Float) | Floating point (single-precision) | 1.10.0 to 1.12.13 |
| modbus | Register (UINT16) | Unsigned integer (16 bits) | 1.10.0 to 1.12.13 |
| modbus | Register (UINT32) | Unsigned integer (32 bits) | 1.10.0 to 1.12.13 |
| modbus | Register Number | Unsigned integer (16 bits) | 2.4.0 to 4.2.4 |
| modbus | Register Number | Unsigned integer (32 bits) | 2.4.0 to 4.2.4 |
| modbus | Register Value (IEEE Float) | Floating point (single-precision) | 2.4.0 to 4.2.4 |
| modbus | Register Value (INT16) | Signed integer (16 bits) | 2.4.0 to 4.2.4 |
| modbus | Register Value (INT32) | Signed integer (32 bits) | 2.4.0 to 4.2.4 |
| modbus | Register Value (UINT16) | Unsigned integer (16 bits) | 2.4.0 to 4.2.4 |
| modbus | Register Value (UINT32) | Unsigned integer (32 bits) | 2.4.0 to 4.2.4 |
| modbus | Request Frame | Frame number | 2.0.0 to 4.2.4 |
| modbus | Time from request | Time offset | 3.0.0 to 4.2.4 |
| modbus | Word Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Write Reference Number | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |
| modbus | Write Word Count | Unsigned integer (16 bits) | 1.10.0 to 4.2.4 |