Toa SV-200M Instruction Manual page 37

Pin
Signal name
No.
22 Communications error
23 Failure indication
24 Emergency broadcast
on
25 EV-200's failure
* 1 Requires installation of the optional EV-200 Voice Announcement Board.
* Use this pin to cut off the VM amplifier's power amplifier output to allow the "Emergency broadcast" initiated
2
by connected external equipment to go through.
[Electrical characteristics]
Input
Open voltage:
Short-circuit current: Under 1 mA
Activation:
Output
Circuit: Open collector (See below.)
Withstand voltage: 30 V DC
Control current: Under 10 mA
IN
Signal/logic
/OUT
OUT Active Low
OUT Active Low
OUT Active Low
OUT Active Low
3.3 V DC
No-voltage make contact (one-shot signal is shown below.)
Over 100 ms
Control current
Function/status
When communications cannot be achieved
between the RM-200M and the VM amplifier
or between VM amplifiers (High state when
communications are restored.)
When the FAULT indicator lamp is on
When an Emergency broadcast is performed
by the VM amplifier or the external equipment.
(See the description of Pin 8 VM amplifier's
broadcast cutoff.)
When the EV-200 Voice Announcement
Board fails.*
1
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