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Message transmission
4.8.3 Network parameter read
With this function, network parameter information of other node is read from network.
<Link status>
<Higher-layer status>
The inverter periodically creates "higher layer status" based on "slave control status of FL remote" and "inverter status". In
addition, the inverter reports the "higher layer status" to the master (FA link layer) periodically.
Item Data Portion
Request Not applicable
Response
Normal
response
Error
response
Offset Bit15 to Bit8 Bit7 to Bit0 Remarks
+0 Second character First character
Node name
Character string of "FR-E700" is stored.
In the reset places, space characters
are set.
+1 Fourth character Third character
+2 Sixth character Fifth character
+3 Eighth character Seventh character
+4 Tenth character Ninth character
+5 Second character First character
Vender name
Character string of "MELCO" is stored.
In the reset places, space characters
are set.
+6 Fourth character Third character
+7 Sixth character Fifth character
+8 Eighth character Seventh character
+9 Tenth character Ninth character
+10 Second character First character
Manufacturer model name
Character string of "FR-A7NF" is stored.
In the reset places, space characters
are set.
+11 Fourth character Third character
+12 Sixth character Fifth character
+13 Eighth character Seventh character
+14 Tenth character Ninth character
+15 First address of area 1
+16 Size of area 1 Always 4 words
+17 First address of area 2
+18 Size of area 2 Always 16 words
+19 (spare)
Token monitoring time
out time
Always 10ms
+20 (spare)
Minimum permissible
clearance
Always 1.0ms
+21 (spare) Link status Refer to the description below.
+22 (spare) Protocol Always H80
+23 Higher-layer status Refer to the description below.
+24 Refresh cycle permissible time setting
0 to 65535ms
Refresh cycle permissible time
(120% value of the time the token
circulates one ring) of own node.
+25 Refresh cycle measured value (present value)
0 to 65535ms
Measured value (current value,
maximum value, minimum value) of
one cycle of own node.
+26 Refresh cycle measured value (maximum value)
+27 Refresh cycle measured value (minimum value)
Offset Bit15 to Bit0
+0 Error code (Refer to page 61)
b7 b6 b5 b4 b3
00
b2 b1 b0
Node status 0: Disconnect, 1: Participate
Communication invalid is detection 0: Undetected, 1: Detected
Higher layer operation signal 0: Normal, 1: Error
Common memory data 0: Invalid, 1: Valid
Common memory setting 0: Uncompleted, 1: Completed
Address duplication 0: Undetected, 1: Detected
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Error information
00: NORMAL (Without inverter error)
01: WARNING (Minor fault occurrence)
10, 11: ALARM (Inverter error has occurred)
Operation information
0: STOP (Slave control status of FL remote is not operating)
1: RUN (Slave control status of FL remote is operating)
Not used