22
UVL 841, UVL 842
381
3.4 Connector Pin Assignment
3.4.1 E48M Connector
Table 74 Connector Pin Assignment of the E48M Connector on the UVL 84x
eRow cRow aRow
e2 -- c2 0V a2 1D1
e4 -- c4 +12V a4 1D2
e6 -- c6 -12V a6 1M5
e8 -- c8 +5V a8 1S2
e 10 -- c 10 Signal check loop a 10 2D1
e 12 -- c 12 Signal check loop a 12 2D2
e 14 -- c 14 1T4 a 14 2M5
e 16 -- c 16 1T1 a 16 2S2
e 18 -- c 18 2T4 a 18 3D1
e 20 -- c 20 2T1 a 20 3D2
e22 -- c22 0V a22 3M5
e24 -- c24 0V a24 3S2
e26 -- c26 0V a26 4D1
e28 -- c28 0V a28 4D2
e30 -- c30 U
ext
a30 4M5
e32 -- c32 M
ext
a32 4S2
3.4.2 RS 232 C Connector
Table 75 Connector Pin Assignment of the Serial Interfaces on the UVL 84x
SEA1 / SEA2
RS 232 C (V.24) Current Loop
1 E1 Protective ground Protective ground
2 D1 Transmitted data
3 D2 Received data
4 S2 Request to send
7 E2 Signal ground
8 M5 Clear to send
9+5VDC
10 SA Serial output (transmitter +)
12 AL Current loop source output (24 VDC / 20 mA)
13 SE serial input (receiver +)
14 SE0 Serial input (reference potential, receiver --)
16 EL Current loop source input (24 VDC / 20 mA)
17 T4
19 SA0 Serial output (reference potential, transmitter --)
24 T1
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
eca
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
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