2014-
03
16
Installation
5.4.3
Cable length between control interface and R/W heads
The maximum cable length between the control interface and a connected R/W head is 1000
meters. If you wish to attain the maximum possible cable length, select a suitably large cable
cross-section. See chapter 4.7.1
5.4.4
Ground connection
The ground connection of the IDENTControl is located at the lower right of the connector array.
The ground conductor is screwed to the housing with a crimp connector. In order to guarantee
safe grounding, the serrated washer must be mounted between the crimp connector and the
housing.
A cross-section of at least 4 mm
2
is recommended for the ground conductor lead.
5.4.5
Instructions for connecting the command interface
The IDENTControl is fitted with serial interface RS 232.
Select the transfer rate (baud rate) using the software or the display.
The following transfer rates are available:
■
1200, 2400, 4800, 9600, 19200, 38400 bits/s
The status is preset at 9600 Mbit/s on delivery.
The device operates with the following parameters (permanent):
■
8 data bits
■
1 start bit
■
1 stop bit
■
No parity
Connect the RS 232 interface via a 4-pin M12 socket. You must place the cable shield on the
thread in the connector plug.
Pin assignment of the M12 socket for RS 232
1
Housing
2
Serrated lock washer
3
Crimp connector
4
Lock screw
1
2
4
3
1
NC
2
RxD
3
GND
4
TxD
1
4
2
3