M580 - Status Table Description

Overview

The L9_STAT EFB is used to display the status of controller and I/O system for M580.

The 277 words in the status table are organized in 3 sections:

Controller Status Words 1 - 11

Word (dec)	Control Expert-IEC bits	M580 Function			System Word
1	Controller Status:				–
	0...3	Not used, always 0
	4	Always 0: no battery
	5	Memory protect on SD card: Info available in system
	6	Always 0; in stop mode, EF not executed
	7	Not used, always 0
	8	Not used, always 0
	9	Not used, always 0
	10	Same as periodic mode: 1 if %SW0 is not equal to 0
	11...15	Not used, always 0
2	Hot standby Status: This status word is updated with T_M_ECPU_HSBY device DDT.				–
	0 and 1	local system state:
		Bit 1	Bit 0	State
		0	1	Off line NOT primary (1 0) AND NOT standby (1 1)
		1	0	primary = T_M_ECPU_HSBY.LOCAL_HSBY_STS.RUN_PRIMARY
		1	1	standby = T_M_ECPU_HSBY.LOCAL_HSBY_STS.RUN_STANDBY
	2 and 3	remote system state:
		Bit 3	Bit 2	State
		0	1	Off line: NOT primary (1 0) AND NOT standby (1 1)
		1	0	primary = T_M_ECPU_HSBY.REMOTE_STS_VALID AND T_M_ECPU_HSBY.REMOTE_HSBY_STS.RUN_PRIMARY
		1	1	standby = T_M_ECPU_HSBY.REMOTE_STS_VALID AND T_M_ECPU_HSBY.REMOTE_HSBY_STS.RUN_STANDBY
	4	Application mismatch = (T_M_ECPU_HSBY.APP_MISMATCH OR T_M_ECPU_HSBY.LOGIC_MISMATCH OR T_M_ECPU_HSBY.OFFLINE_BUILD_MISMATCH)
	5	Unit A or B = T_M_ECPU_HSBY.LOCAL_HSBY_STS.PLC_B
	6	CPU-sync link status = NOT(T_M_ECPU_HSBY.LOCAL_HSBY_STS.HSBY_LINK_ERROR OR T_M_ECPU_HSBY.REMOTE_HSBY_STS.HSBY_LINK_ERROR)
	7	CPU firmware mismatch = T_M_ECPU_HSBY.FW_MISMATCH
	8	not significant, always 0 (there is no copro)
	9...11	Not used, always 0
	12	Info validity = always valid
	13	IP or IP+1
	14	Not used, always 0
	15	Set to 1, if hot standby mode
3	Controller status (more aspects):				–
	0...3	Not used, always 0
	4...11	Not used, always 0
	12	Always 0 (in NOCONF mode, no application)
	13	Period overrun: repetition of %S19
	14	Not used, always 0
	15	1 = first scan: repetition of %S13
4	Not used, always 0				–
5	Controller stop state:				–
	0...5	Not used, always 0
	6	Always 0 (use %S51 instead)
	7	Always 0 (use %S11 instead)
	8...11	Not used, always 0
	12	Always 0 (in HALT mode, no EF executed)
	13...15	Not used, always 0
6	Not used, always 0				–
7	Not used, always 0				–
8	Not used, always 0				–
9	Not used, always 0				–
10	Not used, always 0				–
11	Not used, always 0				–

I/O Module Health Status Words 12 - 171

NOTE: Word 12...16 are not used.

Word 17...171 store I/O module health status:

5 words are reserved for each of S908 drops (from drop 2 to drop 32). One word for each of up to 5 possible racks (I/O housings) in each drop.
Each rack may contain up to 16 I/O modules. Bits 0...15 in each word represent the health of the associated I/O module located in positions 16 to 1 in each rack.

Word (dec)	Control Expert-IEC bits	M580 Function	System Word
12...16	Not used, always 0		–
17	I/O module health status for S908 drop 2 rack 1 (main rack).		%SW185
	0	slot 16
	...	...
	15	slot 1
18	I/O module health status for S908 drop 2 rack 2 (extension rack).		%SW186
19	I/O module health status for S908 drop 2 rack 3 (extension rack).		%SW187
20	I/O module health status for S908 drop 2 rack 4 (extension rack).		%SW188
21	I/O module health status for S908 drop 2 rack 5 (extension rack).		%SW189
...	...		...
167	I/O module health status for S908 drop 32 rack 1 (main rack).		%SW335
168	I/O module health status for S908 drop 32 rack 2 (extension rack).		%SW336
169	I/O module health status for S908 drop 32 rack 3 (extension rack).		%SW337
170	I/O module health status for S908 drop 32 rack 4 (extension rack).		%SW338
171	I/O module health status for S908 drop 32 rack 5 (extension rack).		%SW339

Four conditions must be met before an I/O module can indicate good health:

The slot must be traffic copped.
The slot must contain a module with the correct personality.
Valid communications must exist between the module and the remote I/O interface at remote drops.
Valid communications must exist between the remote I/O interface at each remote drop and the I/O processor in the controller.

Communication Status Words 172 - 277

Status words 172...277 contain the I/O system communication status. Words 172...181 are global status words. Among the remaining 96 words, three words are dedicated to each of up to 32 drops, depending on the type of PLC.

Word (dec)	Control Expert-IEC bits	M580 Function	System Word
172	S908 startup detected error code: This word is always 0 when the system is running. If an error is detected, the controller does not start, it generates a stop state code of 10 (word 5).		%SW535
173	Cable A detected error:		%SW536
	0...7	counts DMA receiver overruns
	8...15	counts detected framing errors
174	Cable A detected error:		%SW537
	0...7	counts bad drop receptions
	8...15	counts detected receiver errors
175	Cable A detected error:		%SW538
	0	Not used, always 0
	1	1 =overrun error detected
	2	1 = alignment error detected
	3	1 = CRC error detected
	4...13	Not used, always 0
	14	1 = no end-of- frame
	15	1 = short frame
176	Cable B detected error:		%SW539
	0...7	counts DMA receiver overruns
	8...15	counts detected framing errors
177	Cable B detected error:		%SW540
	0...7	counts bad drop receptions
	8...15	counts detected receiver errors
178	Cable B detected error:		%SW541
	0	Not used, always 0
	1	1 =overrun error detected
	2	1 = alignment error detected
	3	1 = CRC error detected
	4...13	Not used, always 0
	14	1 = no end-of- frame
	15	1 = short frame
179	Global communication status:		%SW542
	0...7	cumulative retry counter
	8...11	lost communication counter
	12	Not used, always 0
	13	1 = cable B status
	14	1 = cable A status
	15	1 = comm health
180	Global cumulative detected error counter for Cable A		%SW543
181	Global cumulative detected error counter for Cable B		%SW544

Local drop errors/health status and retry counters:

Word (dec)	Control Expert-IEC bits	M580 Function	System Word
182	First word: Local drop status		%SW545
	0...7	number of times a module has been seen as unhealthy; counter rolls over at 255
	8...14	Not used, always 0
	15	1 = all modules healthy
183	Second word: This word is a 16-bit detected error counter, which indicates the number of times a module has been accessed and found to be unhealthy. Rolls over at 65535.		%SW546
184	Third word: This word is a 16-bit detected error counter, which indicates the number of times a communication error was detected while accessing an I/O module. Rolls over at 65535.		%SW547

Drop 2...32 errors/health status and retry counters:

Word (dec)	Control Expert-IEC bits	M580 Function	System Word
185	First word: Communication status for the appropriate drop 2.		%SW548
	0...7	cumulative retry counter
	8...11	lost communication counter
	12	Not used, always 0
	13	1 = cable B status
	14	1 = cable A status
	15	1 = communication health
186	Second word: the drop cumulative detected error counter on cable A for the drop 2.		%SW549
187	Third word: the drop cumulative detected error counter on cable B for the drop 2.		%SW550
188...190	Drop 3 errors/health status and retry counters: First, second, and third words.		%SW551 ... %SW553
...	...		...
275...277	Drop 32 errors/health status and retry counters: First, second, and third words.		%SW638 ... %SW640