Siemens AS 235 Standard cabinets IP 54 with heat exchanger, Standard cabinet with heat exchanger

This catalog is out of date, see note on page 1

Automation systems

Standard cabinets

Standard cabinets IP 54 with heat exchanger

2,34

1

5

15

14

14

14

		13		6
12				7
11				6
11
				8
			16
			9
	10

1Cabinet housing

2Cabinet alarm lamp

3 Lamp test pushbutton

4 Socket for telephone connection

5 Slots for video relay (AS 235 H basic cabinet only)

6 Slots for connector boards AF "Remote bus" (basic cabinet only) 7 Screen bar for connecting bus cable screens

8 Screen board

9 Three-part cable duct

10 Cable duct

11 Screen bar for connecting process cable screens

12 Bar for 24 V terminals

13 Main frame

14 Bar for fixing the cables

15 Cabinet connection element support

16 Heat exchanger

Fig. 3/12 Standard cabinet with heat exchanger

Standard cabinets with degree of protection IP 54,

￿with heat exchanger Design

Cabinet with two 450-mm wide doors at the front and one

300-mm wide door at the rear. The heat exchanger is fitted on the 600-mm wide door. Front and rear of cabinet each with a top bezel panel with cabinet alarm lamp and lamp test pushbutton.

The cables are connected to cable bars in the rows of holes in the cabinet frame using commercially available parts.

The cable bars are included in the standard delivery of the cab- inet. The locations for installation of the video relays and the con- nector boards for remote bus are identified accordingly.

The standard cabinet with degree of protection IP 54 is equipped with:

•Main frame with conductive, corrosion-proof surface; fitted off- set to one side and electrically connected to the cabinet frame. Side members of the main frame with fixing holes for mounting the subracks

•Three-part metal cable duct with cover plate on the right-hand side member on the cable connection side for the ribbon cables of the I/O bus, for power supply cables, internal bus connections and cables to the operation devices

•Cable duct 80 mm x 75 mm on the left-hand side member for internal wiring of process signals

•Cabinet connection element support for up to 90 32-way cabi- net connection elements (SAE)

•Screen bars for connection of process cable screens

•Cable clamping rails for the process cables

•Screen board on the right-hand side of the cabinet for external operation and monitoring devices

•Screen board on the right-hand side of the cabinet for remote bus cables

•Socket for connection of a telephone to the internal telephone network. The socket is not wired-up and is accessible from the front of the cabinet. It consists of a two-pin plug connector 4/13 DIN 47 284 with insulated sleeve and cover

•4 door contacts with associated cable set

•Bar for 24-V terminals

•2 thermostats for overtemperature detection.

•Heat exchanger with forced ventilation (AC 50 Hz 230 V) installed in the rear door

Technical data

	Door width	450 mm each
	– Front door
	– Rear door	1 x 300 mm, 1 x 600 mm
	Angle of opening of doors
	– Separate cabinet	180°
	– Cabinet row	135°
	Degree of protection to DIN 40050	IP 54
	Permissible cabinet inlet temperature	25 °C	30°C 35°C	40°C
	Permissible thermal loading Ps max	450 W	420 W 380 W 350 W
	– With 1 fan subassembly			700 W
	– With 2 fan subassemblies			1000 W
	Permis. humidity (no condensation)	≤ 65%
	– Operation
￿– Transport and storage		≤ 75%
	Heat exchanger
	– Fans, rated voltage Un	AC 50 Hz 230 V
	Power consumption per fan	Approx. 85 W
	– Dimensions (H x W x D) in mm	1820 x 460 x 111
	Cabinet colors	Acrylic resin fine-texture single-
	– Cladding	coat lacquer
		Light beige (Siemens color 103)
	– Cabinet frame	Gray-brown (Siemens color 105)
	– Labelling strips	Ochre (Siemens color 100)
	Required floor loading capacity	1000 kg/m²
	including weight of cables and traffic
	Dimensions (H x W x D) in mm	2200 x 900 x 600
	Weight of empty cabinet	Approx. 180 kg
	Option
	Fan subassembly
	– Supply voltage	DC 24 V
	– Power consumption	Approx. 36 W
	Siemens PLT 111 · 1999			3/27