30
MANUGENH3 0N3
User manual
VER 1.05
2.5.3
Cable connector specifications and pin-out
H3 handheld terminal cable will terminate optionally with a DB25 male connector, with a circular
male plug or with no connector.
Both the DB25 connector and the circular plug provide a metal backshell internally connected to the
cable external and internal shieldings and to the handheld terminal Ground. This will let H3 terminal
ground and shieldings to be connected with the machine cabinet “earth”.
2.5.3.1 DB25 connector pin-out
Figure 17: DB25 male connector (dimensions in millimeters)
Signal Pin
Not connected
1
Not connected
2
RS-422/Ethernet TX+
3
RS-422/Ethernet TX-
4
RS-422/Ethernet RX-
5
RS-422/Ethernet RX+
6
State Selector (common)
7
State Selector (bit 0)
8
State Selector (bit 1)
9
State Selector (bit 2)
10
State Selector (bit 3)
11
Enabling Device C1 contact (normally open)
12
Enabling Device C1o contact (normally open)
13
Enabling Device C2 contact (normally open)
14
Enabling Device C2o contact (normally open)
15
Not connected
16
Shield (Ground)
17
Not connected
18
Power Supply 0V dc (GND)
19
Power 24V dc
20
Not connected
21
Emergency Stop Button C1a (normally closed)
22
Emergency Stop Button C1b (normally closed)
23
Emergency Stop Button C2a (normally closed)
24
Emergency Stop Button C2b (normally closed)
25
