Endress+Hauser eco-graph Betriebsanleitung Seite 66

8. Technical data
Electrical security
Housing/Installation
Option "Digital I/O"
Option "Loop power
supply"
Alterations reserved
64
EN 61010-1, Protection class I,
Safety Standard power supply: Over voltage protection category II.
Low voltage power supply: Over voltage category III.
Installation depth: approx. 210 mm incl. terminals Panel cut out:
138
Model/weight
Panel thickness: 2...40 mm, fixing to DIN 43834 Weight approx.
3.5 kg, front bezel/door from die cast metal.
Keyed plug-on screwed terminal strips.
Connections
Cable cross section area max. 2.5 mm² (with ferrules).
To DIN 19240: Input resistance: approx. 10 kOhm;
Logic "0" equals -3...+5 V, active with logic "1" (equals +12...+30
4 digital inputs V, max. 1 Hz, max. 32 V,
Input current approx. 1.5 mA
Each input with a selectable function: Control input On/Off event.
Auxiliary power For powering digital inputs with potential free contacts 24 VDC,
supply max. 30 mA, short circuit protected, unstabilised.
Changeover contact, 230 VAC / 3 A, for alarm condition
3 relays
transmission,
at desk top version: max. 30 V
Type (RS 232 / RS 485) and unit address can be selected
Max. cable length using screened cable: 15 m (RS 232) /
Serial interface
1000 m (RS 485)
Galvanically isolated from the system.
Outputs 24 V+/- 20% max. 25 mA (internal current limiter)
Communication The resistors for HART® communication are built in (250 Ohm);
resistance Ø 2 mm sockets
Galvanic isolation 500 V to all other circuits
9. Accessories
• PC software for setting up unit, read out, archiving and visualisation of stored data
(included in the delivery)
• RS232 interface cable for connecting the unit to a modem.
• RS232 interface cable for connecting the unit to a PC.
If required please contact your supplier.
+1 +1
x 138 mm.
/ 60 V
eff DC