Connection Of 24 V Power Supply; Connections To Front Terminal; Load Cell Connection - Siemens SIWAREX FTC Device Manual

4.4.3

Connection of 24 V Power Supply

The 24 V supply voltage is connected with a screw connector. The connection is found
in the lower area of the module groups next to the D-sub connector for RS 232.
Note
In the S7 300 or ET200M system, the SIMATIC CPU or IM 153 and SIWAREX FTC
must be connected to the same 24 V supply.
Termination Clamp
1L+
1M
Table 4-2 Power supply connection
4.4.4

Connections to Front Terminal

The SIMATIC construction guidelines apply for connecting the 40 pin connector.
Flexible cables with a cross-section of 0.25 to 1.5 mm
insulation from the cable for 6 mm and install wire end sleeves.
4.4.5

Load Cell Connection

Sensors equipped with strain gauges and that meet the following conditions can be
connected to the SIWAREX FTC:
- Characteristic value 1.... 4 mV/V
- Supply voltage of 10.2 V is permitted
The connection is made to the 40 pin front connector. The connection should be
made using the cable described in chapter
Termination
Clamp
X1.34
X1.35
X1.36
4-16 SIWAREX FTC
Signal Comment
24 V DC 1L+ Power supply +
24 V DC 1M Power supply M
Accessories
Signal
Analogue ground (is normally not connected,
AGND on where required, e.g. with additional load
cell power requirement)
SEN+ Sensor line +
SEN- Sensor line -
2
can be used. Remove the
.
Comment