
52
Installation and Operating Instructions TRS 33xx
9 = CPU-Board
Caution! Loss of warranty possible!
This pcb must not be removed! The warranty expires by removing!
10 = Reset-pushbutton
The terminal reboots by pressing this button (see also 5.3 = Adjust brightness / contrast).
Caution! Loss of data possible!
Not saved data might be lost!
11 = LEDs
LED
Color
Meaning
1
green
for Ethernet
2
green
for Ethernet
3
red
TXD of host / modem interfaces RS 485 (8) and RS 232 (4)
4
green
RXD of host / modem interfaces RS 485 (8) and RS 232 (4)
5
green
Software LED
6
green
RXD of RS 485 module bus interface (13), also with internal reader
7
red
TXD of RS 485 module bus interface (13), also with internal reader
12 = Tamper / Cover contact
13 = RS 485 Module bus interface
Assignment (PIN)
Designation
1
Shielding
2
U
ext
= U
DC
- 1,4 V
max. current drain see technical data
3
0 V
4
GND 2
5
D
6
D*
The terminating resistors
of the 485-module bus
interface are permanently
activated.
Deactivation is not
possible.
Содержание TRS-3300
Страница 15: ...Installation and Operating Instructions TRS 33xx 15 4 Operating and Indication Elements ...
Страница 21: ...Installation and Operating Instructions TRS 33xx 21 a Overview of the parameters required per protocol type ...
Страница 58: ...58 Installation and Operating Instructions TRS 33xx Dimensions in mm ...
Страница 59: ...Installation and Operating Instructions TRS 33xx 59 ...