A&D AD-4212A-100 Instruction Manual page 66

Balance (DCE)
Balance interior
+5V
Comparator contact ratings
Maximum contact voltage
Maximum contact current
Maximum contact resistance 20 Ω
External contact input
Minimum contact time
5V 5V
22kΩ 22kΩ
CPU
input
terminal
Balance interior
Use a shielded
cable.
(Cable shield)
1
FG
2
RXD
3
TXD
4
RTS
5
CTS
6
DSR
7
SG
100VDC
100mADC
HH
HI
OK
LO
LL
100 msec
Use a shielded cable.
FG
(Cable shield)
820Ω
PRINT
18 (Input terminal)
820Ω
RE-ZERO
19 (Input terminal)
SG
7
Personal computer (DTE) example
Of DOS/V type
(D-Sub9)
Connector shell
FG
Pin 3
TXD
Pin 2
RXD
Pin 7
RTS
Pin 8
CTS
Pin 6
DSR
Pin 5
SG
Balance interior
(1)
(2)
(Upon switch-ON, make the voltage
between the input terminal and the
SG terminal 0.2V or less)
64
Use a shielded
cable.
FG
(Cable shield)
1
HH
12 (When 5-level
comparison is used)*
HI
23
OK
25
LO
16
LL
9 (When 5-level
comparison is used)*
COM
21
*When OP-04 is installed
in the AD-4212A
series balance.
When a switch is used
18 or 19
SG 7
When a photocoupler is used
18 or 19
SG 7