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LED Operation
The Output Board uses two onboard LEDs to provide status information during the
power-up sequence and during normal operation.
Table 3: LED Settings
Mode
Power-up
sequence
Normal
Operation
In addition to the status LEDs, there are 16 additional LEDs on board for relay status.
When any relay is energized or ON, its corresponding status LED turns ON also. The
LED remains ON for as long as the relay is energized. The assignment for each relay
status LED is shown in the following table.
.
Table 4: Relay LEDs: 0-7
RELAY #
LED
Table 5: Relay LEDs: 8-15
RELAY #
LED
PW-6000 Output Module Installation Guide, Document 800-01953, Revision B
LED D1
LED D2
ON
OFF
OFF
ON
ON
ON
FLASH
ON
FLASH
FLASH
0
1
2
3
D5
D6
D7
D8
8
9
10
11
D13
D14
D15
D16
Installing the PW-6000 Output Module
Description
Start power-up, hardware setup
Testing RAM
Testing ROM and completing
initialization
LED D1 flashes 4 times after power-up
is completed
This is the processor heartbeat LED. It
flashes once every second. A short ON
time (~20% duty cycle) indicates the
board is offline or has lost serial
communication with the Controller
board. A long ON time (~80% duty
cycle) indicates the board is online and
communicating with the Controller
board.
Flash when there is activity on its Serial
Port.
4
5
6
D9
D10
D11
12
13
14
D17
D18
D19
LED Operation
7
D12
15
D20
5
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