MICRONOR AG
MR340-1 DIN Rail Module Controller
Page 33 of 74
Some Master devices (e.g., Modicon) require that the desired Register Number and not the
Register Address be entered. The Register Number is 1 higher than the Register Address. For
entry to these devices, add 1 to the Register Address shown in the tables below. The Register
Address shown will then be output from these devices.
FUNCTION FC03 – Read Holding Registers
FUNCTION FC10 – Write Holding Registers
Holding registers FC03 are used for reading the position and all other parameters
These Registers can be written using Function FC10 using identical address offset
Be cautious of using the Operating Mode 0x105 register command. Do not
put unit in any of these modes without first consulting the user manual. Be
familiar with what these functions before using.
Register
Address
Register
Number
Name
#
regs
Range
Description
0x000
0x001
System Status
1
n/a
Returns the system status.
A 0x0000 means all is ok.
See status information.
0x001
0x002
Get Encoder
Count
2
n/a
Returns or sets position count as a 32-
bit integer.
0x003
0x004
Get Speed
2
n/a
Returns the speed information as a 32
–bit signed in 1/100 rpm.
0x004
0x005
reserved
2
n/a
0x040
0x041
Get Error
Counts
18
n/a
Returns 18 registers with the total
number of errors for each error class.
0x100
0x101
reserved
2
0 -
MaxCount
0x104
0x105
Device Address 1
1 – 254
Sets the MR340 serial address for
commands. Note that the address 4
cannot be used.
A FC06 command to save EEPROM
must be issued following this
command.
0x105
0x106
Operating
Mode
1
0, 2
Used to setting MR340 in calibration,
or troubleshooting mode.
Normal Operating is 0.
Debug mode is 2.
Do not put unit in any of these modes
without first consulting the user
manual. Be familiar with what these
functions before using.