Hardware Manual

Saia-Burgess Controls AG

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

Communication interfaces

4

Modem communication

4.5.7 Modem communication

Modem module for I / O module socket

PCD2.T814:

33.6 kbps analogue modem

(RS 232 and TTL interface)

PCD2.T851:

ISDN-TA digital modem

(RS 232 and TTL interface)

Recommended sockets for connection with ribbon cable:

PCD1.M130 - socket 3

PCD2.M120 - socket 5

PCD2.M130 - socket 5

PCD2.M150 - socket 5

PCD2.M170 - socket 2

PCD2.M480 - socket 2

If a different socket is chosen for the internal modem, it can no longer be con-
nected via the ribbon cable. The modem may be connected by a spring clip to the
PCD7.F120 (Port 1) or PCD2.F522 (Port 2) interface modules.
External modems can also be connected to the PCD7.F120 or PCD2.F522 modules.

For mechanical reasons PCD2.T8xx modems cannot be inserted at the colored

marked socket locations:

PCD1.Mxxx /

PCD2.C150

PCD2.Mxxx /

PCD2.C100

#1 #2

#4 #3

#1 #2 #3 #4

#8 #7 #6 #5

Not permitted socket location

Two modem modules cannot be mounted side-by-side.

For installation details, see manual 26 / 771

“PCD2.T8xx modem module”