GFU30 User Guide
Version 1.0
12
7
USER INTERFACE
7.1
Data/Power interface
Figure 2.1 Lemo connector and its pin configuration
PIN
SIGNAL NAME
DIRECTION
DESCRIPTION
1
RTS
IN
HW handshake
2
CTS
OUT
HW handshake
3
GND
-
Power and Signal ground
4
RXD
OUT
Receive data (V24 level)
5
TXD
IN
Transmit data (V24 level)
6
ID
IN/OUT
One wire bus terminal to Dallas DS2433
7
MODE
IN
Switch:
Data mode (0 V)<> Prog. mode (+12 V)
8
+V
IN
**Supply voltage, +6…+30 Vdc (+/- 5%)
** Power input must be used with 2A fuse for protection.
1
2
3
4
5
6
7
8
