Hardware Manual

Hardware Manual PCD 1 / PCD 2 Series│Document 26 / 737│Edition EN 15│2008-07-22

Saia-Burgess Controls AG

Power supply and connection plan

CPUs and expansion housings

3

Star-shaped ground wire plan (alternative to earthing bar)

PGU

24 VDC

Battery

WD

Run

Halt

Error

CPU

Supply

0V +24 VDC

1.5 mm^2 / max. 25cm

1.5 mm^2

Exxx Axxx

Wxxx

Protective grounding clamp

__

_

_

++

+

Shielding and

grounding plate

1.5 mm^2 1.5 mm^2

The star-shaped ground wire plan should only be used where there is no earthing

bar.

Examples of ground wire terminals for 35 mm mounting rails1)

Manufac-

turer

Connection type Type End plate End bracket/

end clamp

Weidmüller Screw connection WPE4

101 010 0000

Weidmüller Screwless spring clip ZPE4

163 208 0000

ZAP/TB4

163 209 0000

ZEW

954 000 0000

Wago Screwless cage clamp default:

281-107

grey: 281-301

orange: 281-302

6 mm: 249-117

10 mm: 249-116

Wieland Screw connection WKI4SL/35 AP2.5-4 grey 9708/2 S 35

Wieland Spring clip WKI4SL/35 APF2.5-4 GN WEF 1/35

1) DIN46277, NFC, CENELC