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502 010 05
7 3-phase output signals
The PD 340 Flow Transmitter - extended version, can be configured to drive 3-phased out-
put signals. The configuration makes the Flow Transmitter act like a mechanical flowmeter.
The 3-phase output signals may be used in three different modes. Below is a brief overview
prior to more comprehensive explanations later in this section:
•
Three-phase counter without separate error signal.
•
Two-phase counter with separate error signal.
•
Counter with up/down signal and separate error signal.
When used for one of the 3-phase output modes, the output signals and the matching op-
tions CANNOT be configured or used as described in the previous sections, and the texts
on the terminal board lose their original meaning as well.
Instead, the outputs are used as shown in the drawing below. It is universal for all the 3-
phase application modes, in terms of the electrical connections for the signals, i.e. Signal 1,
Signal 2, Signal 3, respectively.
The operation mode is selected by means of Code2, digit 1. Please refer to the table at the
end of this chapter for an overview of the relationship between modes and their corre-
sponding signals and terminal numbers.
OUTPUT 1
DIGITAL
OUTPUT 2
DIGITAL
OUTPUT 3
DIGITAL
INPUT
Pt-100
DISPLAY
P-NET
POWER INPUT
24 V AC/DC
+/-15%
38/55
TERMINAL BOARD PD 381
J2 PIN 5 24 V+
24V DC
J2 PIN 6 24 V-
J2 PIN 3 +
J2 PIN 4 -
J3 PIN 16 +
J3 PIN 18 +
J3 PIN 17 -
J3 PIN 19 +
J3 PIN 20 -
J2 PIN 12
J2 PIN 11
J2 PIN 10
J2 PIN 9
J2 PIN 7 +
J2 PIN 8 -
J3 PIN 15 A
J3 PIN 14 B
J3 PIN 13 S
J2 PIN 1 +
J2 PIN 2 -
Flow Transmitter, PD 340
Max. 100 mA @ 24 V each
INPUT SWITCH
Pt-100
DISPLAY FOR
=
FLOW TRANSMITTER
7
8
9
DISPLAY UNIT
E
4
5
6
PD 210
1
2
3
FLOW
TEMP.
VOL.1
SETP.
TEST
T.C.
CE
0
,
+/-
VOL.2
FLOW
PD 210
P-NET
POWER SUPPLY
24 V AC/DC
551 156 01
Manual
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