User manual

Master Components - Adaption Masters
Product Catalogue all information for reference only - technical changes reserved - rev. 9 Page 35 of 171
5.4.1.2 Terminal Assignment
Beside the standard interfaces/connectors of the Raspberry Pi and the brickBUS® connector,
this adaption board supports the following additional connectors:
Circuit Example
Ident.
Term
Function
Usage
internal simplified diagram
1
K7/1
Power Supply
+24V in
2
K7/2
GND
3
K7/3
+24V in
4
K7/4
GND
1
K8/1
Serial A
RS485
RS485-A
2
K8/2
RS485-B
3
K8/3
GND
1
K5/1
Serial B
RS232 and TTL
+3.45V out
-
K5/2
+24V out
-
K5/3
RxD (RS232)
-
K5/4
TxD (RS232)
-
K5/5
GND
-
K5/6
GND
-
K5/7
RxD (TTL)
-
K5/8
TxD (TTL)
-
K5/9
+24V out
-
K5/10
+3.45V out
5.4.1.3 LED Indications
LED1, orange ............................... GPIO4
LED2, green .................................. GPIO5
LED3, yellow ................................. GPIO6 (used as brickBUS®-Select active output)
5.4.1.4 Application Note
In addition to the notes in chapter 4, please regard the following:
 The 0V and +24V terminals are connected together. By using them the module can pass
the supply on to another module.
Connection to Raspberry PI 2 is possible with a new extended connector.
1100mA Polyfuse