MIMO2+, Multiple Input
– Multiple Output
Module Technical Appendix
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Input-to-Relay Mapping
MIMO2+ or MIMO3 can be configured to automatically turn a relay on/off when an input or several inputs trigger or untrigger.
The Configuration Command Class, Parameters 1 and 2, is used to set this mapping for REL1 and REL2, respectively. When this
mapping is enabled, Z-Wave
TM
commands to set a relay are ignored or overridden and the relay state is determined by the
hardware. The default for each relay is no input-to-relay mappings.
Each Relay mapping can be a logical (AND/OR) combination of the MIMO2+ inputs. Configuration Command Class parameters 1
and 2 are shown in the following diagrams. Note that for each parameter, bits 0-4 settings are not shown below, but are the
momentary latch count as described in the Configuration Command Class section above. These parameters are one-byte
parameters (as are all Configuration Command Class parameters).
EXAMPLES (where SIGx represents the input trigger state):
1) If all the bits are set for the REL1 configuration, then the mapping equation is:
REL1 state = (SIG1 AND SIG2) OR SIG1 OR SIG2
REL1 is set if SIG1 is triggered or if SIG2 is triggered; cleared otherwise
2) If only bit 7 is set for the REL2 configuration, then the mapping equation is:
REL2 state = SIG1 AND SIG2
REL2 is set if SIG1 and SIG2 are both triggered; cleared otherwise
3) If only bit 5 is set for the Relay 1 configuration, then the mapping equation is:
REL1 state = SIG1
REL1 is set if SIG1 is triggered, cleared otherwise
POWER DROPOUT
A periodic Power Dropout status blink (see above indication table) is shown if the supplied power drops below approx. 11.5 Volts.
In addition, the MIMO2+ implements the Alarm Command Class (Version 2), which provides for a ‘power dropout’ alarm report
to be sent when the supplied power drops. By default, this report is enabled and sent to Node 1 (assumed to be the controller).
It can be disabled or enabled by the command ALARM_SET_V2. The node sending the ALARM_SET_V2 command is the node to
which the MIMO2+ sends the alarm report. After a power dropout alarm event, the MIMO2+ sends a ‘power applied’ alarm
report when the supplied power rises above approx. 12 Volts. Also, during the power dropout, input signal triggering is not active.
For sending the alarm signal, the MIMO2+ relies on residual power in the MIMO2+ circuitry when power completely drops out.
Typically, this will be sufficient to perform this action.
7 6 5 4 3 2 1 0
SIG1
SIG2
SIG1 AND SIG2
OR
Parameter 1: REL1
Parameter 2: REL2
7 6 5 4 3 2 1 0
SIG1
SIG2
SIG1 AND SIG2
OR
