D7212GV3 | Program Entry Guide | 6.0 AUXPARM EN | 118
Bosch Security Systems, Inc. | 10/11 | F01U170808-02
Path # Poll Rate
Default: 0
Selection: 0, 5 to 65535 sec
0 Disables the heartbeat poll (not
recommended, refer to the first
Important Note that follows).
5 to 65534 Enables the poll rate for the amount
of time programmed here.
65535 The maximum number of 65535 sets
the poll rate to once every 24 hr.
This prompt and the next two prompts determine how
the SDI Path is supervised between the SDI device
and the central station receiver(s). Do not confuse
the SDI Path supervision with the supervision of the
SDI device itself (the connection of the SDI device to
the control panel). Each SDI Path can be configured
to transmit a Heartbeat Poll to the central station for
supervision purposes. This ensures the integrity of
the connection at all times.
In order to supervise the virtual link
between the control panel and a central
station receiver over a network path, you
must set Path # Poll Rate to a non-zero
value.
If the control panel is programmed to
send Heartbeat Poll to the central station,
a rate of 75 sec maintains the virtual link
in most network configurations.
Decreasing the value for Path # Poll
Rate increases the amount of idle
communication between the SDI device
and the central station receiver.
Increased idle communication between
the control panel and the receiver
decreases the control panel’s event
reporting efficiency.
The control panel readjusts the poll rate if
it is less than 300 sec to a temporary poll
rate of 300 sec when online with RPS.
The poll rate returns to the programmed
value after the RPS session ends.
The value programmed in Path # Poll Rate is the
interval at which the control panel sends a Heartbeat
Poll to the central station receiver. The value
programmed in Path # Ack Wait is the length of time
the control panel waits for an acknowledgment of the
Heartbeat Poll. If the acknowledgment is not
received, the control panel checks to determine if the
Path # Retry Count entry is greater than 0. If so, the
control panel retries the number of times
programmed (in Path # Retry Count) to send the
Heartbeat Poll before declaring the Path failed and
generating a COMM TROUBLE SDI ## for SDI 88
(Path 1 = SDI 88, Path 2 = SDI 89, Path 3 = SDI 90,
Path 4 = SDI 91) Event. For SDI 92 (Path 1 = SDI 92,
Path 2 = SDI 93, Path 3 = SDI 94, Path 4 = SDI 95)
event.
If Path # Poll Rate is programmed with a value and
the central station does not acknowledge the poll
from the control panel, keypads annunciate a trouble
condition. To send this event to the central station,
refer to the Comm Trouble prompt in Section 2.12.2
Panel-Wide Relays on page 72.
Example of Heartbeat:
Path # Poll Rate is set to 120 sec
Path # Ack Wait time is set to 10 sec
Path # Retry Count is set to 2
When the control panel first powers up, the first
Heartbeat Poll for Path 1 is sent and is acknowledged
in 1 sec. 120 sec after the first Heartbeat Poll is sent,
the second Heartbeat Poll for Path 1 is generated
and sent to the central station.
Keypad Programming of Path # IP Adddress, Path #
Port Number, and Path # Poll Rate
D1255
1. Refer to Figure 1 on page 6 to access Keypad
Programming and navigate to the ENHANCED
COMM option. Press [ENT].
2. At the ENHANCED ENABLED prompt, press
[NEXT] to access the Path 1 - 4 prompt.
3. Enter the path number you wish to configure and
press [ENT]. The currently configured IP address
shows.
4. Press [ENT] to change the IP address. An
invisible editing cursor is enabled for the first
byte.
5. The [PREV] button acts as a [Backspace] key.
Press [PREV] to delete the characters of the
byte, and then enter the new byte numbers, or
press [NEXT] to move to the next byte.
The keypad does not accept invalid byte
numbers.
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