Display Filter Reference: Modbus
Protocol field name: modbus
Versions: 1.8.0 to 3.4.5
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| Field name | Description | Type | Versions |
|---|---|---|---|
| modbus.and_mask | AND mask | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.bit_cnt | Bit Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.bitnum | Bit Number | Unsigned integer, 2 bytes | 2.4.0 to 3.4.5 |
| modbus.bitval | Bit Value | Boolean | 2.4.0 to 3.4.5 |
| modbus.byte_cnt | Byte Count | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.byte_cnt_16 | Byte Count (16-bit) | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.conformity_level | Conformity Level | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.data | Data | Sequence of bytes | 1.10.0 to 3.4.5 |
| modbus.data.decode | Invalid decoding options, register data not a multiple of 4! | Label | 1.12.0 to 3.4.5 |
| modbus.diagnostic.ascii_input_delimiter | CHAR | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.diagnostic.bus_char_overrun_count | Slave Character Overrun Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic.bus_comm_error_count | CRC Error Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic.bus_exception_error_count | Exception Error Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic.bus_message_count | Total Message Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic.clear_ctr_diag_reg | Clear Counters & Diag Register Echo | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| modbus.diagnostic.no_slave_response_count | Slave No Response Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic.restart_communication_option | Restart Communication Option | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic.return_diag_register | Diagnostic Register Contents | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic.return_query_data.echo | Echo Data | Sequence of bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic.return_query_data.request | Request Data | Sequence of bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic.slave_busy_count | Slave Device Busy Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic.slave_message_count | Slave Message Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic.slave_nak_count | Slave NAK Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.diagnostic_code | Diagnostic Code | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.ev_count | Event Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.ev_msg_count | Message Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.ev_recv_broadcast | Broadcast Received | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.ev_recv_char_over | Character Overrun | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.ev_recv_comm_err | Communication Error | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.ev_recv_lo_mode | Currently in Listen Only Mode | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.ev_send_lo_mode | Currently in Listen Only Mode | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.ev_send_read_ex | Read Exception Sent | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.ev_send_slave_abort_ex | Slave Abort Exception Sent | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.ev_send_slave_busy_ex | Slave Busy Exception Sent | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.ev_send_slave_nak_ex | Slave Program NAK Exception Sent | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.ev_send_write_timeout | Write Timeout Error Occurred | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.ev_status | Status | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.event | Event | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| modbus.exception_code | Exception Code | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.func_code | Function Code | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.mei | MEI type | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.more_follows | More Follows | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.next_object_id | Next Object ID | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.num_objects | Number of Objects | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.object_id | Object ID | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.object_str_value | Object String Value | Character string | 1.10.0 to 3.4.5 |
| modbus.object_value | Object Value | Sequence of bytes | 2.0.0 to 3.4.5 |
| modbus.objects_len | Object length | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.or_mask | OR mask | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.padding | Padding | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| modbus.read_device_id | Read Device ID | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.read_reference_num | Read Reference Number | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.read_word_cnt | Read Word Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.reference_num | Reference Number | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.reference_num_32 | Reference Number (32 bit) | Unsigned integer, 4 bytes | 1.10.0 to 3.4.5 |
| modbus.reference_type | Reference Type | Unsigned integer, 1 byte | 1.10.0 to 3.4.5 |
| modbus.reg16 | Register Value (16-bit) | Unsigned integer, 2 bytes | 2.0.0 to 2.2.17 |
| modbus.reg32 | Register Value (32-bit) | Unsigned integer, 4 bytes | 2.0.0 to 2.2.17 |
| modbus.register.ieee_float | Register (IEEE Float) | Floating point (single-precision) | 1.10.0 to 1.12.13 |
| modbus.register.modicon_float | Register (Modicon Float) | Floating point (single-precision) | 1.10.0 to 1.12.13 |
| modbus.register.uint16 | Register (UINT16) | Unsigned integer, 2 bytes | 1.10.0 to 1.12.13 |
| modbus.register.uint32 | Register (UINT32) | Unsigned integer, 4 bytes | 1.10.0 to 1.12.13 |
| modbus.regnum16 | Register Number | Unsigned integer, 2 bytes | 2.4.0 to 3.4.5 |
| modbus.regnum32 | Register Number | Unsigned integer, 4 bytes | 2.4.0 to 3.4.5 |
| modbus.regval_float | Register Value (IEEE Float) | Floating point (single-precision) | 2.4.0 to 3.4.5 |
| modbus.regval_int16 | Register Value (INT16) | Signed integer, 2 bytes | 2.4.0 to 3.4.5 |
| modbus.regval_int32 | Register Value (INT32) | Signed integer, 4 bytes | 2.4.0 to 3.4.5 |
| modbus.regval_uint16 | Register Value (UINT16) | Unsigned integer, 2 bytes | 2.4.0 to 3.4.5 |
| modbus.regval_uint32 | Register Value (UINT32) | Unsigned integer, 4 bytes | 2.4.0 to 3.4.5 |
| modbus.request_frame | Request Frame | Frame number | 2.0.0 to 3.4.5 |
| modbus.response_time | Time from request | Time offset | 3.0.0 to 3.4.5 |
| modbus.word_cnt | Word Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.write_reference_num | Write Reference Number | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
| modbus.write_word_cnt | Write Word Count | Unsigned integer, 2 bytes | 1.10.0 to 3.4.5 |
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