TCP201 User Manual Issue 1.4
Page 34 of 35
7 Indicators
7.1 ACK- and Power- LEDs
For a quick visual inspection the TCP201 offers 10 LEDs in the front panel.
Each IndustryPack has its own “ACK”-LED, which is lit for about 200ms whenever an access to the
corresponding IP happens.
Function
Label
Color
Description
IP A ACK
A
green
Indicates access to IP A
IP B ACK
B
green
Indicates access to IP B
IP C ACK
C
green
Indicates access to IP C
IP D ACK
D
green
Indicates access to IP D
Figure 7-1 : IP ACK LED
Additionally there are 6 green Power-LEDs on the TCP201:
Function
Label
Color
Description
IP A +5V
+5V A
green
IP B +5V
+5V B
green
IP C +5V
+5V C
green
IP D +5V
+5V D
green
LED = “on”: IP power supply ok
+12V common to all IP
+12V
green
LED = “on”: +12V power ok
-12V common to all IP
-12V
green
LED = “on”: –12V power ok
Figure 7-2 : IP Power LED
7.2 Fuses and Filters
All IP slots are fuse protected. The fuses used on the TCP201 are self-healing fuses. For improved
performance the TCP201 provides RF filtering and decoupling capacitors on all IP power lines.