Scanner 2000 Steam Mass Flow Transmitter ... - Spirax Sarco
Scanner 2000 Steam Mass Flow Transmitter ... - Spirax Sarco
Scanner 2000 Steam Mass Flow Transmitter ... - Spirax Sarco
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<strong>Scanner</strong> ® <strong>2000</strong> microEFM Section 3<br />
RS-485 Output—Laptop Computer Connection<br />
The RS-485 output is required for communication with the interface software. The wiring diagram in Figure<br />
3.8 supports a temporary laptop connections using an RS-232 to RS-485 converter.<br />
1<br />
2<br />
3<br />
4<br />
5<br />
6<br />
J2<br />
TFM 1 RTD<br />
I+ R+ R- I-<br />
–<br />
+<br />
SWITCH<br />
SCANNER <strong>2000</strong><br />
Main Circuit Board<br />
PN: 9A-30160010<br />
TB1 TB2<br />
DIG OUT 1<br />
13 14<br />
TB3<br />
BATTERY<br />
J1<br />
POWER<br />
PORT 2 PORT 1<br />
+ – + – + –<br />
Figure 3.8—RS-485 output (connection to laptop with 9-pin converter)<br />
7<br />
8<br />
9<br />
10<br />
11<br />
12<br />
TX-<br />
TX+<br />
PORT 2 CONNECTIONS ARE<br />
SHOWN IN THIS DIAGRAM.<br />
TO USE PORT 1:<br />
CONNECT TD(B) TO TERMINAL 11 (+).<br />
CONNECT TD(A) TO TERMINAL 12 (-).<br />
TD(A)<br />
TD(B)<br />
GND<br />
GND<br />
+12V<br />
Part No. 9A-101283116<br />
RS-232<br />
9 - PIN<br />
CONNECTOR<br />
67
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