MM-TA-12B Muting Module
Instruction Manual
Specifications
External Device
Monitoring (EDM)
Two pairs of terminals are provided to monitor the state of external devices controlled by the
OSSD outputs. Each device must be capable of switching 15-30V dc at 10-50 mA.
Muting Device Inputs
The muting devices work in pairs (M1 and M2, M3 and M4) and are required to be “closed”
within 3 seconds of each other (simultaneity requirement) to initiate a mute (assuming all
other conditions are met). Each muting device must be capable of switching 15-30V dc at
10-50 mA.
Mute Enable Input
When Mute Enable is selected (functional), this input must have +24V dc applied in order to
start a mute; opening this input after mute has begun has no effect. If Mute Enable is disabled,
this input will be ignored and a mute cycle can occur regardless of the state of the mute
enable input. The switching device must be capable of switching 15-30V dc at 10-50 mA.
Override Inputs
The two-channel inputs must be closed within 3 seconds of each other (simultaneity require-
ment) and held closed during the 10-second Override. To initiate a subsequent Override, open
both channels, wait 3 seconds, and then re-close both channels (within 3 seconds). The
switching devices must be capable of switching 15-30V dc at 10-50 mA.
Reset Input
Terminals must be closed for a minimum of 0.25 seconds and not more than 2.0 seconds in
order to guarantee a reset. The switching device must be capable of switching 15-30V dc at
10-50 mA.
Mounting
4 mounting holes, 5.5 mm dia. (0.19"); see Figure 3.1.
Vibration
Resistance
Vibration:
Frequency range:
10 to 55 Hz
Sweep rate:
1 octave/minute
Amplitude:
0.35 mm (interpreted as 0.70 mm or 0.028" peak to peak)
Number of sweeps:
20 sweeps (10 cycles) per axis, for 3 axes (no delay at resonance)
Bump:
Acceleration:
10 g
Duration of pulse:
16 ms
Number of bumps:
1000 +/- 10 for each axis, for 3 axes
Time between bumps:
2 seconds
Construction
Size:
See Figure 3.1 for dimensions
Housing:
Glass-filled Nylon (Black)
Connectors:
Nickel-plated brass
All circuitry epoxy-encapsulated.
Environmental Rating
NEMA 4, 13; IEC IP65
MM-TA-12B Connections
1 each 8-pin Mini-style male
1 each 7-pin Mini-style female
8 each 5-pin Euro-style female (4-pin, if earth ground connection is not used)
Operating Conditions
Temperature range:
0° to +50° C (+32° to 122° F)
Max. Relative Humidity:
95% (non-condensing)
Safety Category
Safety Category 4 per ISO 13849-1 (EN954-1)
Certifications
Approvals in process. Contact the factory for update.
Application Notes
Mute Timing Sequences:
see Appendix A
Typical Muting Applications
: see Appendix B
Application Standards
: see Appendix C
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