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AD-4405 Weighing Indicator Page 71
Current Lo
Current LoCurrent Lo
Current Loop Output
op Outputop Output
op Output
The current loop output can be used to output data to an A&D printer and a display
unit.
The current loop output is of the passive type and requires an external current source
of 20 mA current. A&D’s printer and display unit can be connected without external
power source, because they supply the current.
The output terminals do not have a polarity. Each output terminal can be connected to
either the plus or minus inputs of the peripheral unit.
Set f36, f37, f38 and f39 of F-Functions. Please note the initial setting of f37 is
disabling the current loop output.
Data Format
Data FormatData Format
Data Format
The data format is the same as that of the initial setting of f34 of RS-232C data format.
The current loop output data format is fixed and can not be changed.
Header 2 and the unit selection are common to RS-232C (Cf06, Cf07).
Decimal point (dot or comma) and delimitter (comma or semicolon) can be set by f46.
Line feed(0Ah)
Carriage return(0Dh)
Cf06=0,1 Cf06=2
Cf07=0 Cf07=1
2 figures 3 figures
Header 1 Header 2
Unit
8 digit data
Terminators
T
S
, S
G
+
,
0
0
0
0
0 0
.
g
k
T
S
S
U
L
O
G
N
T
T
P
S
G
T
N
R
T
T
P
g
C
P
t
g
k
g
t
CP
g
k
Space code(20h)
Decimal point :
Dot(2Eh) or
Comma(2Ch)
l
t
b
l
l
t
b
l
z
o
y
c
z o
y c
20. Current Loop Output (OP-08)