TREND PACK_LNC2_STD - Manual (Page 6)

PACK/LNC2/STD Installation Instructions
PACK/LNC2/STD Installation Instructions TG200240 Issue 3 09/07/08 6
Check System
19
LNC2 IQ
T=X °C (°F)
temperature ? T=X °C (°F)
Note that if the PC software using the LNC2 (e.g 963) is shut down, the LNC2 will generate a ‘Device
Dead’ alarm.
O
I
3 Installation
(continued)
Check Network
18
LA
N
T
X
LA
N
R
X
LA
N
B
U
S Y
P C
B
U S
Y
L A N O K
L A N
S
L N C 2
?
L N C 2
?
a LAN RX
(yellow)
b LAN TX
(yellow)
c
LAN OK
(green)
Invalid Network Address
0, 2, 3 or >119
R-
J2 J3 J4 J5
T+ T- R+
R-
J2 J3 J4 J5
T+ T- R+
LNC2 Faulty
LAN OK
Check network cabling for
short circuits with a
multimeter (NOT Megger)
Check baud rate. Switch
on other nodes until faulty
node is found (LAN OK
). Correct fault.
LNC2 LAN OK
Check LNC2 17
LA
N T X
LA
N R
X
LA
N B
U S Y
P C B
U S Y
L A N O K
L A N
S
W DOG (red)
LNC2 Faulty