PCMZPM Bogen Communications, Inc., PCMZPM Datasheet - Page 7

• Manufacturer Part Number: PCMZPM
• Description: Module, Zone Paging; 3; 70 V; PCM Series
• Manufacturer: Bogen Communications, Inc.

Specifications of PCMZPM

• Brand/series: PCM Series
• Number Of Stations: 3
• Voltage, Operating: 70 V

Relay Driver Output
Each zone module has three relay driver outputs: RD A, RD B, and RD C - one
for each speaker zone.When a zone is active, its relay driver is shorted to RD
COM through an open collector transistor. These drivers can be used to acti-
vate external relays to provide greater power capacity or to operate external
equipment.The power supply for these relays must be 12V DC or less.The total
sink current per driver cannot exceed 100 mA.
NOTE: Some power supplies are rated at 12V DC, but when lightly loaded are consid-
erably higher in output voltage. If the power supply for the relay has an unloaded out-
put of greater than 13V DC, the relay drivers may begin to conduct, energizing the
relay. If this problem occurs, you can either replace the supply with a regulated supply
or use a lower voltage supply.
SUPRESSION DIODES
+
RELAY
RELAY
RELAY
SUPPLY
POWER
12VDC
-
PCM
ZPM
TALKBACK
OFF
OUT IN
BGM
ON
LO PWR
HI PWR
ZONE A
ZONE B
ZONE C
GLOBL BGM
ZONE A
ZONE B
ZONE C
POWER
IN
RT
RD A
RD B
RD C
RD COM
+
-
+
-
+
-
VOLUME
OUTPUT
ZONE A
ZONE B
ZONE C
LPBGM
LOCAL
BGM
PCMZPM
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