Wiring Diagram; Transmitter Power And Output Signal Wiring - Oval ALTI mass CA00A Instructions Manual

L -- 740 -- 28 -- E

7.10 Wiring Diagram

7.10.1 Transmitter power and output signal wiring

Replaceable fuse 250V, 2A
Status in/out terminals
Remote output terminals
●
Terminal identification and description
Item Label
A1（＋）
A1（－）
A2（＋）
A2（－）
P1（＋）
P1（－）
P2（＋）
P2（－）
Signal
S.I.（＋）
S.I.（－）
S.O.（＋）
S.O.（－）
I/O（＋）
I/O（－）
L（＋）
GND
Power
N（－）
Conduct earth grounding work at external ground terminal or "GND" on the power terminal block (Grade
D grounding work).
CAUTION:
In case supplying electric power to this flowmeter, do not fail to connect a
protective fuse of rated voltage 2A max.

Power terminals
Description
Analog output 1 (4 to 20mA)
Analog output 2 (4 to 20mA)
Pulse output 1
(voltage/open drain output)
Pulse output 2
(voltage/open drain output)
Status input (drain input)
drain
Status output (open
Expanded in/out
(Modbus communication, etc.)
Power (with DC power: +)
Earth ground
Power (with DC power: –)
Fig.7.8
Analog and pulse
output terminals
1. Max. load resistance is 600Ω
for analog output 1 and 2.
2. Pulse output (voltage
pulse) transmission length is
Max. 10m (at 10kHz)
Max. 100m (at 1kHz)
Max. 1km (at 100Hz)
finished O.D: 0.75sq
3. These input and output signals
are invalid for FOUNDATION
Fieldbus, PROFIBUS PA and
output)
Modbus communications.
Modbus communication：Max.trans-
mission length1200m at 0.75sq
FOUNDATION Fieldbus or
PROFIBUS PA communication:
Max. transmission length 1900m at
0.8sq
Ext. GND terminals
Remarks