4x50 EtherNetIP.190129.1v4: User manual
WWW.EILERSEN.COM
Version: 2020-11-24, rev.: 1v4
Page: 22
NOTE:
If the load cells are to be placed inside an EX area, then the 4x50 sys-
tem unit itself
MUST
be placed outside the EX area, and the 4x50 system unit
MUST
be supplied as follows:
1)
The 2 pole connector (J3), located to the right above the 4 pole DIP-switch
block,
MUST
be powered by a 4051A power supply (+24VDC ATEX approved)
from Eilersen Electric.
2)
The 2 pole connector (J2), located to the left above the RJ45 Ethernet con-
nector,
MUST
be powered by a se24VDC, that has
NO
connection to
the ATEX ap24VDC from the above mentioned 4051A power supply.
NOTE:
7.1 Appendix A: Connection of power
power supply is connected to Non-ATEX and ATEX applications respectively.
6.2.2 Connection of load cells
The load cells must be connected to the available BNC connectors in the front
panel of the 4x50 system unit. The load cells are connected starting with the
connector marked 1 and continuing onwards in rising order. Thus if three load
cells are to be connected, they should be connected to the BNC connectors
marked 1, 2 and 3.
6.2.3 RS232 connector (J4)
The small 4 pole connector (J4) at the bottom of the 4x50 Ethernet unit con-
tains an RS232 communication channel. This RS232 channel can be used for
setup/configuration of the 4x50 Ethernet unit from a PC. Connection to this
connector is made using a special serial cable supplied by Eilersen Electric A/S.
The 4 pole connector (J4) on the 4x50 unit has the following connections:
J4 CONNECTOR
FUNCTION
J4.1
RS232-GND (connected to PC-GND)
J4.2
RS232-RXD (connected to PC-TXD)
J4.3
RS232-TXD (connected to PC-RXD)
J4.4
RS232-GND (connected to PC-GND)
6.2.4 Ethernet connector
The front panel of the 4x50 system unit is equipped with a standard Ethernet
RJ47 connector for Cat5 cables.
6.2.5 SW1 settings
The front panel of the 4x50 system unit is equipped with a 4 pole DIP switch
block named SW1. These switches are mounted on the 4040 communication
module, and they are
ONLY
read during power-on.
SWITCH
FUNCTION
Sw1.1-Sw1.4
Reserved for future use