Enclosure Closing; Installation Grounding - Agro SMART ATEX Instrucciones De Instalación Y Mantenimiento

SMART ATEX – INSTALLATION AND MAINTENANCE MANUAL
Four wires systems:
For cases with 4 wires connection cable, pins 4-7 (EXC+ and SENSE+) and 5-6 (EXC- and SENSE-) have to be bridged.
Load cell connection
PIN SIGNAL
1 SIG +
2 SIG-
3 Shield
5-6 EXC -
4-7 EXC +
2.5.4.3 Multioption connection IP65
The following figure shows the connections to perform to the different terminal blocks for every signal.
JP3
A - B RTERM OFF
B - C RTERM ON
JP4
A - B RTS OFF
B - C RTS-Rx/Tx ON
C - D RTS-Tx ON
JP2
A - B RS-485 ON
B - C RS-485 OFF
2.5.5

Enclosure closing

WARNING
Enclosure closing affects the equipment protection mode and IP degree of protection.
Once performed the connections closet he enclosure by fixing the rear cover by means of the twelve screws and
washers. Excessive tightening of the screws may negatively affect the protection mode. Verify the correct
positioning of the seal and that it is clean and in good condition.
2.5.6

Installation grounding

Rear cover has a M4 stud with an insulated terminal that shall be connected to the installation ground.
Grounding cable section shall be of 4mm
2-6
PIN
Red
White
-
Black
Green
DATA+
DATA-
C B A
JP3
I+
I-
V+
V-
IN1
IN2
IN3
IN4
D-OUT 1
J1
D-OUT 2
D-OUT 3
JP4
D-OUT 4
A
B
Tx
C
D
Rx
J2 RTS
GND
C B A
Tx
JP2
RTS
Figure 2.5.4.3.1
Installation
grounding
Figure 2.5.6.1
2
.
RS-232 connection
SIGNAL SEÑAL
1 TxD
2 RxD
3 RTS
4 GND
RS-485
Analog Output
GND
Digital Inputs Power Supply
Vext
Digital Outputs
RS-232 (Rx/Tx)
RS-232 (Tx)