Watchdog; Modem Interface - Honeywell Excel 800 LION Installation And Commissioning Instructions

Excel 800 LION
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 "Trouble-
►
shooting" on page 68.
• The operator has activated the reset
Goes out
briefly
button
• The controller is performing a warm
start
Table 33 Controller power LED

Watchdog

Watchdog status
Status
Failure (= alarm)
Normal operation
Table 34 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 35 Permissible load of terminal 4
Signal on terminal 4
24 V
0 V
Min.
current
10 mA

Modem Interface

The controller module is equipped with a modem interface
for the connection of a modem or an ISDN terminal adapter.
Fig. 54 Modem interface, Tx LED (1) and Rx LED (2)
Modem LEDs on RJ45 socket
Tx (1) flickering The controller is transmitting data to the
Rx (2) flickering The controller is receiving data from the
Table 36 HMI interface LEDs
Modem Signals on RJ45 socket
Pin Signal type
1 Carrier detect
2 Receive
3 Transmit
4 Data terminal ready
5 Signal ground
6 -
7 5 V
8 Clear to send
Table 37 Signals of the modem interface
Communication Speed
Default setting: 9600 baud
The communication speed can be set to as high as
38.4 Kbaud, e.g., using the XI852 HMI or a Laptop with XL-
Online, see Appendix 2.
37
HMI, e.g., XI582
HMI
EN1B-0375GE51 R0308