Via A Safety Barrier; Digital Inputs; Rs485 Output Contact On The Regard 2400/2410 - Dräger REGARD 2400 Instrucciones De Uso

Accessories
8.2 Connection example for a Polytron EC
a Dräger REGARD 2410/2410 via a safety barrier
Fig. 5
Polytron
When using safety barriers made by other manufacturers, the installation and operating
instructions of the safety barrier must be observed.
8.3

Digital inputs

The REGARD 2400/2410 has 2 contacts each for 2 digital inputs (see tables and wiring
diagrams on page 39 to page 42). One of these inputs can be used for an external horn reset.
8.4

RS485 output contact on the REGARD 2400/2410

The REGARD 2400/2410 has 3 contacts for communication with optional modules. For Dräger
REGARD 2400 see wiring diagram page 39, for the Dräger REGARD 2410 see wiring diagram
page 41. Optional modules are the I/O module (see description page 45) and relay module
(see description page 46). 4 modules can be connected to the second RS485 port of
a Dräger REGARD.
Possible combinations:
Number of modules
1) EC transmitter: sensing head with an electrochemical sensor for the detection of toxic gases or oxygen.
44
Ex Area Safe Area
A 12
+
–
B 10
e.g. Stahl 9160/13-11-11
Dräger REGARD
2400/2410
1
1
1)
230 VAC
7
9
Dräger REGARD 24xx
4...20 mA Input
1
4...20mA
GND
2
Safety Barrier
I/O module
1
0
transmitter with
~
24 VDC
GND
+
00733025_01_en.eps
Relay module
0 to 3
0 to 4
Dräger REGARD 2400/2410