Difference between revisions of "BO8.1"

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(Created page with "=== Modbus Registers === Below is a list of available MODBUS registers. The same register numbers are also used by the MIOS-2 protocol. === Modbus Read / Write (0x17) Functio...")
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Revision as of 09:28, 24 February 2020

Modbus Registers

Below is a list of available MODBUS registers. The same register numbers are also used by the MIOS-2 protocol.

Modbus Read / Write (0x17) Function

METEL IO modules have implemented the MODBUS function (0x17) Read/Write of Multiple registers. Typically it is required to have two separate requests (and responses) for:

1. Writing of outputs via MODBUS function (0x16) Writing Multiple Registers

2. Reading of inputs via MODBUS function (0x03) Read Holding Registers


This requires a total of 4 frames to be sent over MODBUS. If using 0x17 function only one request is needed for the reading and writing of outputs. This requires a total of 2 frames to be sent over MODBUS.


Default Settings of Communication

Device ID: 1
Baudrate: 115 200
Parity: None
Data bits: 8
Stop bits: 1

Subject Type R/W Value Offset
Device
Identity
Product Type u8[3] R 1002-04
Serial Number u32 R 1005-06
PCB Version u32 R 1007-08
PCB Revision u16 R 1009
FW Version Major u16 R 1010
FW Version Minor u16 R 1011
FW Version - Revision u32 R 1012-13
IF#01 Slot State u16 R 0 = N/A
1 = IF#01 not Inserted
2 = IF#01 Inserted, CRC error
3 = IF#01 Inserted, CRC OK
1021
IF#01 Product Type u8[3] R 1022-24
IF#01 Serial Number u32 R 1025-26
IF#01 PCB Version u32 R 1027-28
IF#01 PCB Revision u16 R 1029
Device
Control
Reset u16 RW 55203 = To Reboot 1201
Bootloader / Application u16 R 0x00A – Application,
0x00B – Bootloader
1203
Restart to Bootloader u16 RW 617 = To Bootloader
else = deactivate
bootloader
1204
Device
Status
Board Power Voltage u16 R 105 = 10,5V 1311
Board Temperature u16 R -200 = -20,0°C
250 = 25,0°C
1321