Shimadzu UX-2200H [121/129] A 4 specifications of connectors

Shimadzu UX-2200H [121/129] A 4 specifications of connectors
Appendices
105
A-4. Specifications of Connectors
"Pin n" O.C. (+)
"Pin 1" (GND)
Balance internal circuit
RS-232C Connector
Pin
No.
Name Function
1 FG Frame ground
2 TXD Data output
3 RXD Data input
4 RTS Internal connection with CTS
5 CTS Internal connection with RTS
6 DSR Handshake (receiving)
7 SG Signal grounding
8 NC Blank
9 NC Blank
10 NC Blank
11 NC Blank
12 NC Blank
13 NC Blank
14 NC Blank
15 NC Blank
16 NC Blank
17 NC Blank
18 NC Blank
19 NC Blank
20 DTR Handshake (transmission)
21 NC Blank
22 NC Blank
23 NC Blank
24 NC Blank
25 NC Blank
KEY Connector
(When used for checkweighing output)
Pin
No.
Name Function Remarks
1GND
Ground of
checkweighing
2OPERA-
TION
Output during
weighing
Checkweighing output
is O.C. (open collec-
tor).
Capacity:
5 to 24VDC,
0 to 20mADC
3STABIL-
ITY
Output while
balance display is
stable.
10 LO
LO signal output
11 GO
GO signal output
12 HIGH
HI signal output
13 ZERO
Output while
balance display is
zero
9
Pin 9 and Pin 15 must be short-circuited by the
external device in order to use KEY Connector
for checkweighing signal output.
15
Concept of Open Collector Circuit
(n= 2,3,10,11,12,13)

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