Honeywell Excel 800 SYSTEM Installation And Commissioning Instructions page 36

Description of the XCL8010 Controller Module
Alarm and Power LEDs
The XCL8010 Controller Module is equipped with an alarm
LED and a power LED.
Fig. 55 Alarm LED (1) and power LED (2)
Alarm LED (1, red)
Off Normal operation
On Watchdog alarm output is powered
 The controller has encountered a
hardware problem
 The application has a fault
 The controller has been powered up
without an application or the operator has
manually stopped the application,
e.g., using XL-Online.
In this case, the LED will light up
13 minutes after power-up without
application
Flashing The watchdog alarm output has not yet been
powered, although the controller has
encountered a problem.
The controller performs a warm start.
If problem persists, the LED will become lit
constantly, see above.
See section "Troubleshooting" on page 73.
Table 33 Controller alarm LED
EN1B-0375GE51 R0910
Power LED (2, green)
On Normal operation
Flashing One or more of the internal voltage
supplies are outside of the permissible
ranges.
The controller stops operation.
Check wiring or see section
►
"Troubleshooting" on page 73.
Is ex-  The operator has activated the reset
tinguished
button
briefly
 The controller is performing a warm
start
Table 34 Controller power LED
Watchdog
Watchdog Status
Status
Failure (= alarm)
Normal operation
Table 35 Watchdog status 4
Permissible Load of Normally Closed Contact
(Terminal 4)
Max. load
Per normally 19...29 VAC
closed current at cos φ ≥ 0.95: 0.5 A,
contact current at cos φ ≥ 0.6: 0.5 A
(terminal 4)
19...29 VDC
0.5 A resistive or inductive
Table 36 Permissible load of terminal 4
36
Excel 800
Signal on terminal 4
24 V
0 V
Min.
current
10 mA