u-blox ZED-F9P User Manual

u-blox ZED-F9P Interface Description - Manual
Advance Information
5.8 UBX-ACK (0x05)
Ack/Nak Messages: i.e. Acknowledge or Reject messages to UBX-CFG input messages.
Messages in the UBX-ACK class output the processing results to UBX-CFG and some other messages.
5.8.1 UBX-ACK-ACK (0x05 0x01)
5.8.1.1 Message Acknowledged
Message
UBX-ACK-ACK
Description
Message Acknowledged
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Output
Comment
Output upon processing of an input message. ACK Message is sent as soon as possible but
at least within one second.
Header Class ID Length (Bytes) Payload Checksum
Message Structure
0xB5 0x62 0x05 0x01 2
see below
CK_A CK_B
Payload Contents:
Byte Offset Number
Format
Scaling Name Unit Description
0 U1 - clsID - Class ID of the Acknowledged Message
1 U1 - msgID - Message ID of the Acknowledged Message
5.8.2 UBX-ACK-NAK (0x05 0x00)
5.8.2.1 Message Not-Acknowledged
Message
UBX-ACK-NAK
Description
Message Not-Acknowledged
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Output
Comment
Output upon processing of an input message. NAK Message is sent as soon as possible but
at least within one second.
Header Class ID Length (Bytes) Payload Checksum
Message Structure
0xB5 0x62 0x05 0x00 2
see below
CK_A CK_B
Payload Contents:
Byte Offset Number
Format
Scaling Name Unit Description
0 U1 - clsID - Class ID of the Not-Acknowledged Message
1 U1 - msgID - Message ID of the Not-Acknowledged Message
UBX-18010854 - R04 Advance Information Page 37 of 259

u-blox ZED-F9P Specifications

General

GNSS	GPS, GLONASS, Galileo, BeiDou, QZSS, SBAS
Concurrent GNSS	4
RTK	Yes
Velocity Accuracy	0.05 m/s
Time Pulse Accuracy	30 ns
Operating Temperature	-40°C to +85°C
Supply Voltage	2.7 V to 3.6 V
Channels	184
Frequency Bands	L1, L2
Dimensions	22 mm x 17 mm x 2.4 mm
Interfaces	UART, SPI, I2C