IFM AL1940 - Read Diagnostic Information and Events

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ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Configuration Modbus
>
8.3.7 Read diagnostic information and events
11048
Register area for the access to diagnostic information of the IO-Link ports X01…X08:→ Diagnostic data
(→ p. 75)
The area contains the following data:
 Status/error flags for port configuration
 Vendor ID / device ID of the connected IO-Link devices
 Events and corresponding event codes
► Observe the general rules for access to the Modbus registers (→ Rules for accessing the
Modbus register (→ p. 58))!
A maximum of 3 events per IO-Link port are displayed.
One-time events will be deleted after a minimum of 10 s (Event Single Shot).
Occurring events indicate the time of the error occurrence (event appears). If the error cause
disappears, this is indicated by a further event (event disappears). Both event type always
occur in pairs.
Register area
Contents
Access
Start
address
Length
(words)
30
10
Port X01: Diagnostic Data
r
40
10
Port X02: Diagnostic Data
r
50
10
Port X03: Diagnostic Data
r
60
10
Port X04: Diagnostic Data
r
70
10
Port X05: Diagnostic Data
r
80
10
Port X06: Diagnostic Data
r
90
10
Port X07: Diagnostic Data
r
100
10
Port X08: Diagnostic Data
r
r = read only
Additional diagnostic and status details are provided in the following register areas:
 "Input Data" area: → Read input data of several IO-Link ports (→ p. 52)
 "Single Port Access" area: → Read input data of several IO-Link ports (→ p. 52)