PEGAsys™ LV
April 200376-100016-002
2-13
(alarm, trouble, abort, waterflow, manual alarm, manual re-
lease, supervisory and normal). Refer to the PCS manuals
(P/Ns 76-014 and 76-015) for further details.
2-8.3.2 REMOTE CONTROL UNIT (RCU)
The RCU input and output devices, which are connected to
the RX/TX loop, are specified in the EOC program by their
four-digit addresses.
2-8.3.3 RX/TX LOOP
The system specifies the RX/TX loop controller using its loop
number followed by three zeros (1000). The specifier (1000)
will appear in cases when trouble conditions are present on
the RX/TX loop controller (i.e., a PC Line Short on RX/TX 1
would be displayed as "RX/TX PC Line Short Loop 1").
RX/TX loop (zone) alarms occur if a loop device alarm ini-
tiates under one of the following conditions:
• Failed communications between the CCM and
RX/TX module (Trouble Condition),
• Failed RX/TX processor (Trouble Condition), or
• Failed input circuit of RCU device.
An alarmed input device on the RX/TX (in FailSoft mode)
can only activate EOC programming if the RX/TX zone is
used as a programmed input (ZA1=1000).
2-8.3.4 SYSTEM OUTPUTS
Devices which are classified as system outputs are CCM
signals and relays (programmable/non programmable)
and loop devices (addressable relay output module).
2-8.4
Addressing RCUs
RCUs refer to all devices which connect and operate from
the RX/TX PC (Power/Communications) Line. These de-
vices include SmartOne smoke detectors, SmartOne heat
detectors, addressable contact input monitors and addres-
sable output contact modules.
Each device has a three-digit numeric address. This ad-
dress is stored in the nonvolatile EEPROM memory of the
device. The device is identified by the CCM by these three
digits, and by a fourth digit which represents the RX/TX
number.
There are three ways to address the RCU (Loop) devices.
1. The RCUs can be addressed using the Hand Held Pro-
grammer (P/N 74-200013-001). This optional unit pro-
vides a convenient means of addressing RCUs without
using the CCM.
2. The user may address the devices individually on the
system by performing the procedure listed below.
To address RCUs using the “SET RCU Address” menu
function, each unaddressed RCU must be connected to
the RX/TX PC line one at a time. Perform the following
steps for each RCU:
1. Access the PEGAsys LV system menus as follows:
a. Press the zero (0) key. Verify that the display reads:
PLEASE ENTER PASSWORD
b. Type in the Level 2 password.
c. Press the return (
↵↵
↵↵
↵) key. Verify that the display
reads:
1:ISOLATE 2:LIST
3:SET 4:TEST
2. Select the set RCU address function by typing the for-
mula 3-3-1. Verify that the display reads:
PRESENT LOOP DEVICE ADDRESS _ _ _ _
Note: All new addressable devices have an address of
zero (000).
3. Enter the present RCU address and press the
<RETURN> button. The system will display the fol-
lowing:
TARGET LOOP DEVICE ADDRESS _ _ _ _
4. Enter the desired address for the RCU and press
<RETURN>. The system will now change the RCU
address if different than previously noted.
The 40-character owner location message cannot be en-
tered using the system keypad. The owner's location mes-
sage can only be entered and uploaded into the system by
use of the PCS program .
2-8.5 Registering RCUs
Registration is where the device address is joined with the
device information in the system's memory. Device infor-
mation is comprised of: device type, device messages and
device settings.
There are four ways to register the RCU (loop) devices
into the system:
1. The user may register the devices individually in the
system.
2. The user may register all pre-addressed RCUs at once
using the RCU (loop devices) registration function.
3. The user may register all pre-addressed RCUs using
the AutoLearn function, which sets all devices at de-
fault values, and, in turn, any system alarm input acti-
vates all system outputs. If pre-addressed devices are
used, multiple devices can be attached and registered
into the system at one time using either the AutoLearn
or RCU Registration function.
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