J-1
August 1999
76-100016-001
Intelligent Suppression Control/Fire Alarm System
PEGAsys
APPENDIX J
PEGAsys NETWORK INTERFACE CARD
J-1
INTRODUCTION
The PEGAsys Network Interface Card (NIC) provides the capa-
bility for peer-to-peer communication between PEGAsys fire/
suppression control panels (nodes). The NIC mounts as a
daughter card on the PEGAsys Central Control Module (CCM).
Up to 32 nodes may be networked to form groups. Groups are
numbered logical groupings that delineate the extended cover-
age area and simplify programming.
KIDDE-FENWAL, INC.
ASHLAND, MA 01721
D
NETWORK INTERFACE CARD
CAT. NO. 74-200036-001
TB3
B2IA2
TB4
B2NA2
TB2
B1NA1
TB1
B1IA1
U11
C26
U16
1
U17
1
RV2
RV1
RV3
R26
K1
U18
1
U20 1
R21
U21
1
R41
Q2
R40
Q3
C10
R43
R42
R18
U6
1
U14
1
C8
R7
Q4
C9
U19
1
U15
1
Q1
C7
R1
R44
R17
RV
11
R24
R
V12
E8
R
V10
RV8
RV6
E4
E7
R25
R5
R6
R20
R22
RV5
RV4
E3
E2
E5
E6
R4
R3
R36
RV9
RV7
K2
K4
R23
CR2
K3
CR1
U5
1
C18
R13
R2
U4
1
U8
1
R29
R38
C24
R19
C17
+
R27
U9
1
R32
R12
U10
1
R28
C22
C16
C15
R31
C25
C1
R15
R33
R34
C14
R14
U2
1
C23
U7
1
C20
+
C2
E1
C11
C5
C3
+
C4
+
R45
U13
1
R46
C27
U12
1
C12
CR3
Y1
TP2
+5
TP6
I2
TP4
N1
TP5
N2
TP3
I1
U3
1
C13
R10
TP1
GND
J1
DS2
N1
DS4
N2
DS3
I2
DS1
I1
Figure J-1. Network Interface Card (NIC)
Each PEGAsys control panel which is a network node (i.e.,
equipped with a NIC) may be assigned to a designated network
group (numbered 1 through 32) or to network group 0. When
an event occurs at a node, notification of the particular alarm,
trouble, abort, etc., will be delivered to each of the other nodes
on the network in the form of a message.
J-2
CONFIGURATION/ADDRESSING
J-2.1
Overview
Each node can be configured independently using any of the
three methods described in the following paragraphs. The con-
figuration process is dealt with in more detail in the PEGAsys
Configuration Software (PCS) Program User's Guide (76-014),
which should be referred to.
Note that it is not possible to download configuration informa-
tion to all the NICs on a network simultaneously. Each NIC (node)
must be configured independently.
The operator can set network configuration options on the
PEGAsys(s) in three ways:
•
Via the keypad on the Central Control Module.
•
Via PCS.
•
Via a “dumb terminal.”
Below are the network options which can be configured for each
node and which are stored in that panel's memory. Paragraphs
detailing each option follow.
•
Network Style:
None, Single-Channel (Style 4),
or Redundant Channel (Style 7).
•
Node number:
0 to 32
•
Network group number:
0 to 32
•
Processing of network RESET messages:
Enabled/Disabled
•
Processing of network SILENCE messages:
Enabled/Disabled
•
Logging all events:
Enabled/Disabled.
•
Time resynchronization (resynch) period
•
Central Station
J-2.1.1 NETWORK STYLE
Both of the two independent data channels can be enabled (Style
7), or either one of the channels can be disabled (Style 4). These
data channels transmit network information from one node to
the next, or bi-directionally if nodes are connected on either
side of the transmitting node. In Style-7 configuration, data trans-
fer is redundant so that if there is a failure on one channel, or its
cable, the other channel will maintain communication.
J-2.1.2 NODE NUMBER ASSIGNMENT
Nodes may be assigned a number from 0 to 32. Number 0 (the
default) means that the node does not participate in any net-
work activity. Any assignment from 1 to 32 means that the node
actively participates in all pre-configured network activity.
J-2.1.3 NETWORK GROUP NUMBER ASSIGNMENT
Nodes may be assigned to groups 0 through 32. A node as-
signed to network group 0 receives and processes messages
received from all nodes only if configured to “Log All Events”. A
node assigned to groups 1 through 32 will process only those
messages from nodes in the same network group unless con-
figured to “Log All (Network) groups ”.
J-2.1.4 RESET ENABLE/DISABLE
Enabling RESET on a node means that it can be reset from any
other node in its group. If it is assigned to network group 0, it
can be reset from any node on the network.
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