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6.5
Voltage and Current Monitoring
6.5.1 Description
The voltage and current module sends messages about
over-current, short-circuit, wire breakage, over-voltage and
under-voltage. Over-voltage and under-voltage detection
starts a timer. If the timer has expired and the voltage level
has not returned to the normal operating voltage threshold,
the module sends out the messages.
The messages include device status, IO-Link events,
process data and LED signaling.
6.5.2 Mathematics/Algorithm
In SIO mode the threshold for undervoltage is 17 V and for
overvoltage is 32 V.
If the device is in IO-Link mode, undervoltage occurs at
17 V and overvoltage occurs at 32 V.
6.5.3 Process data
Object ID
Name
Description
Direction
0x0016 (22)
Short-circuit pin 2
TRUE = short-circuit detected at pin 2.
Input
0x0017 (23)
Undervoltage
TRUE = the voltage level is below the threshold value.
Input
0x0018 (24)
Overvoltage
TRUE = the voltage level is above the threshold value.
Input
0x0015 (21)
Short circuit on output pin 4
TRUE = short-circuit detected at pin 4.
Input
Tab. 6-21: Voltage and Current Monitoring – Process data
Also see section
6.5.4 ISDU
Name
Index
Subindex Access
Length
Data Type
Data Storage
Default
Voltage Monitoring Detection
Time Duration
0x2200
(8704)
0
R/W
2 bytes
UINT16
Yes
10
Tab. 6-22: Voltage and Current Monitoring – ISDU
Voltage Monitoring Detection Time Duration
This parameter is used to define how long the under-
voltage or over-voltage must be present before it is
displayed. The unit is given in milliseconds. The values
must be in the range between 10 and 1000, in increments
of 5 milliseconds. The default value is 10 milliseconds.
6
Secondary device functions (continued)
BCM R16E-004-CI0 _ - _ _ , _-S4
Condition Monitoring Sensor