MOXA-IO-E1242-MIB

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Organization: Moxa Automation,Inc.

Last Updated: 2013-02-21

Category: Industrial Networking

Description: Manages Moxa ioLogik E1242 remote I/O module digital and analog channel status.

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What Is MOXA-IO-E1242-MIB?

MOXA-IO-E1242-MIB is a vendor-specific MIB from Moxa for its ioLogik E1242 remote Ethernet I/O module, a compact industrial I/O device used in SCADA and automation networks. It exposes digital input (DI) and digital I/O (DIO) channel tables covering channel type, operating mode, status, filtering, and trigger/counter configuration. It is used primarily to monitor the real-time hardware status of each I/O channel — whether a digital input is asserted or a digital output is energized, count of trigger events, and channel-level filter settings — rather than general host metrics like CPU or memory. It has no significant dependency beyond standard SNMP SMI conventions, being a self-contained vendor enterprise MIB. It's typically deployed in industrial/field environments where a Moxa remote I/O unit reports discrete input/output states back to a central SCADA/monitoring system over Ethernet. Engineers can download the MOXA-IO-E1242-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in MOXA-IO-E1242-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Moxa ioLogik E1242 remote I/O module
industrial Ethernet I/O device

Monitoring Examples

An administrator would poll diTable/diEntry indexed by diIndex to read diStatus for each digital input channel and diCntStart to track trigger/count events, revealing whether a sensor wired to that channel has changed state or an unexpected pulse count occurred. The diType, diMode, and diFilter objects show how each channel is configured (e.g., debounce filtering, trigger edge), while the parallel dioTable/dioEntry structure covers combined digital I/O channels. An unexpectedly high diCntStart value or a diStatus mismatch against expected field wiring would signal a stuck contact or noisy signal needing investigation.

What Can Be Monitored

digital input channel status
digital I/O channel status
channel operating mode
input trigger/count events
channel filter/debounce settings

Imported Objects

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32
enterprises

How to Use in IPNetwork Monitor

Example using systemTime OID:

Select a Moxa ioLogik E1242 remote Ethernet I/O module as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type systemTime into the Find box to locate it in the OID tree, then select it and click OK. It reports i/O server up time (in seconds). On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is an Integer32-type OID, Value bounds is the most useful condition here — trigger an alert if the value is unexpectedly low (e.g. under 10 minutes), since that indicates a recent, possibly unplanned, reboot or restart. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
moxa	1.3.6.1.4.1.8691
ioLogik	1.3.6.1.4.1.8691.10
e1242	1.3.6.1.4.1.8691.10.1242			The MIB module for Moxa ioLogik Remote Ethernet I/O specific information.
I32 totalChannelNumber	1.3.6.1.4.1.8691.10.1242.1	Integer32	read-only	Total I/O channels.
OCT serverModel	1.3.6.1.4.1.8691.10.1242.2	OCTET STRING	read-only	The I/O server model.
I32 systemTimeEx	1.3.6.1.4.1.8691.10.1242.3	Integer32	read-only	I/O server up time (in seconds).
OCT firmwareVersion	1.3.6.1.4.1.8691.10.1242.4	OCTET STRING	read-only	The firmware version.
e1242monitor	1.3.6.1.4.1.8691.10.1242.10
diTable	1.3.6.1.4.1.8691.10.1242.10.1		not-accessible	The DI channel monitor table
diEntry	1.3.6.1.4.1.8691.10.1242.10.1.1		not-accessible	The DI channel monitor item
I32 diIndex	1.3.6.1.4.1.8691.10.1242.10.1.1.1	Integer32	read-only	The channel DI index.
I32 diType	1.3.6.1.4.1.8691.10.1242.10.1.1.2	Integer32	read-only	The channel DI type. 0=DI, 1=DO
I32 diMode	1.3.6.1.4.1.8691.10.1242.10.1.1.3	Integer32	read-write	The channel DI mode. 0=DI, 1=Event Counter
I32 diStatus	1.3.6.1.4.1.8691.10.1242.10.1.1.4	Integer32	read-only	The channel DI status. 0=Off, 1=On in DI mode or N=Count in counter mode
I32 diFilter	1.3.6.1.4.1.8691.10.1242.10.1.1.5	Integer32	read-write	The channel DI counter filter. unit=1ms
I32 diTrigger	1.3.6.1.4.1.8691.10.1242.10.1.1.6	Integer32	read-write	The channel DI counter trigger level. 0=L2H, 1=H2L, 2=Both
I32 diCntStart	1.3.6.1.4.1.8691.10.1242.10.1.1.7	Integer32	read-write	The channel DI counter start/stop. 0=stop, 1=start
dioTable	1.3.6.1.4.1.8691.10.1242.10.3		not-accessible	The DIO channel monitor table
dioEntry	1.3.6.1.4.1.8691.10.1242.10.3.1		not-accessible	The DIO channel monitor item
I32 dioIndex	1.3.6.1.4.1.8691.10.1242.10.3.1.1	Integer32	read-only	The channel DI/DO index.
I32 dioType	1.3.6.1.4.1.8691.10.1242.10.3.1.2	Integer32	read-only	The channel DIO type. 0=DI, DO=1
I32 dioMode	1.3.6.1.4.1.8691.10.1242.10.3.1.3	Integer32	read-write	The channel DI Type(0=DI, 1=Event Counter),DO Type(0=DO, 1=Pulse Output).
I32 dioStatus	1.3.6.1.4.1.8691.10.1242.10.3.1.4	Integer32	read-write	The channel DI status.(0=Off, 1=On in DI mode or N=Count in counter mode),DO status(0=Off, 1=On in DO mode or N=Count in pulse mode)
I32 dioDIFilter	1.3.6.1.4.1.8691.10.1242.10.3.1.5	Integer32	read-write	The channel DI counter filter. unit=1ms
I32 dioDITrigger	1.3.6.1.4.1.8691.10.1242.10.3.1.6	Integer32	read-write	The channel DI counter trigger level. 0=L2H, 1=H2L, 2=Both
I32 dioDICntStart	1.3.6.1.4.1.8691.10.1242.10.3.1.7	Integer32	read-write	The channel DI counter start/stop. 0=stop, 1=start
I32 dioDOPulsONWidth	1.3.6.1.4.1.8691.10.1242.10.3.1.8	Integer32	read-write	The channel DO signal ON width. unit=1ms
I32 dioDOPulsOFFWidth	1.3.6.1.4.1.8691.10.1242.10.3.1.9	Integer32	read-write	The channel DO signal OFF width. unit=1ms
I32 dioDOPulseStart	1.3.6.1.4.1.8691.10.1242.10.3.1.10	Integer32	read-write	The channel DO pulse start/stop. 0=stop, 1=start
aiTable	1.3.6.1.4.1.8691.10.1242.10.4		not-accessible	The ai channel monitor table
aiEntry	1.3.6.1.4.1.8691.10.1242.10.4.1		not-accessible	The ai channel monitor item
I32 aiIndex	1.3.6.1.4.1.8691.10.1242.10.4.1.1	Integer32	read-only	The ai channel index.
I32 aiEnable	1.3.6.1.4.1.8691.10.1242.10.4.1.2	Integer32	read-write	The ai channel Enable/Disable. Disable=0, Enable=1
I32 aiMode	1.3.6.1.4.1.8691.10.1242.10.4.1.3	Integer32	read-write	The ai channel Mode. 0-10V=0, 4-20mA=1, 0-20mA=2, 4-20mA Burnout=4
I32 aiValue	1.3.6.1.4.1.8691.10.1242.10.4.1.4	Integer32	read-only	The ai channel value (RAW).
I32 aiMin	1.3.6.1.4.1.8691.10.1242.10.4.1.5	Integer32	read-only	The ai channel minimum value (RAW).
I32 aiMax	1.3.6.1.4.1.8691.10.1242.10.4.1.6	Integer32	read-only	The ai channel maximum value (RAW).
aiTrapGreater	1.3.6.1.4.1.8691.10.1242.22
NTF aiTrapG0	1.3.6.1.4.1.8691.10.1242.22.0.1			The ai channel-00 Greater Trap.
NTF aiTrapG1	1.3.6.1.4.1.8691.10.1242.22.0.2			The ai channel-01 Greater Trap.
NTF aiTrapG2	1.3.6.1.4.1.8691.10.1242.22.0.3			The ai channel-02 Greater Trap.
NTF aiTrapG3	1.3.6.1.4.1.8691.10.1242.22.0.4			The ai channel-03 Greater Trap.
aiTrapSmaller	1.3.6.1.4.1.8691.10.1242.23
NTF aiTrapS0	1.3.6.1.4.1.8691.10.1242.23.0.1			The ai channel-00 Smaller Trap.
NTF aiTrapS1	1.3.6.1.4.1.8691.10.1242.23.0.2			The ai channel-01 Smaller Trap.
NTF aiTrapS2	1.3.6.1.4.1.8691.10.1242.23.0.3			The ai channel-02 Smaller Trap.
NTF aiTrapS3	1.3.6.1.4.1.8691.10.1242.23.0.4			The ai channel-03 Smaller Trap.
messageTrap	1.3.6.1.4.1.8691.10.1242.30
NTF activeMessageTrap	1.3.6.1.4.1.8691.10.1242.30.0.1			The SNMP trap with active message

RFC description

Moxa ioLogik E1242 Universal I/O MIB for managing remote Ethernet I/O devices with 4 analog inputs, 4 digital inputs, and 4 configurable digital input/outputs. Supports SNMP-based monitoring and configuration on Moxa industrial I/O controllers.

Start monitoring Moxa ioLogik E1242 remote Ethernet I/O module with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download MOXA-IO-E1242-MIB