Lauda Viscotemp 15 G, Operation Manual

Page: 113 / 132

09/2021
ECO Gold 113 / 134
Connection of analogue inputs and outputs
A six-pole round connector with screw lock and contact assignment according to DIN EN 60130-9 or IEC 130-9 are
required.
A suitable coupling plug is obtainable under the catalogue no. EQS 057.
View of socket (front) or solder side of plug:
Socket 74S
Contact 1 Output 1
Contact 2 Output 2
Contact 3 0 V reference potential
Contact 4 Input 1
Contact 5 +20 V (max. 0.1 A)
Contact 6 Input 2
Note: Only use screened connecting leads and connect the screen to the plug housing.
19.3 RS 232/485 interface module
RS 232/485 Interface Module (LAUDA catalogue no. LRZ 913) with
nine-pole SUB-D socket. Electrically isolated using optocouplers. With the
LAUDA instruction set, extensively compatible to Ecoline, Proline and
Integral series.
The RS 232 interface can be connected directly to the PC with a 1:1 con-
nected cable (catalogue no. EKS 037, 2 m cable and EKS 057, 5 m cable).
19.3.1 Connecting lead and interface test RS 232
Computer Thermostat
Signal 9-pole Sub-D socket 25-pole Sub-D socket 9-pole Sub-D socket Signal
     
R x D 2 2 3 3 2 2 T x D
T x D 3 3 2 2 3 3 R x D
DTR 4 20 4 DSR
Signal Ground 5 5 7 7 5 5 Signal Ground
DSR 6 6 6 DTR
RTS 7 4 7 CTS
CTS 8 5 8 RTS

with hardware handshake: On connecting a thermostat to the PC use a 1:1 and not a null-modem cable.

without hardware handshake: Set the operating mode on the PC "without hardware handshake".
 Use screened leads and connect screen to plug case.
 The wires are electrically isolated from the rest of the electronics.

Non-assigned pins should not be connected.
The RS 232 interface can be checked in a simple way with a connected PC running Microsoft Windows operating sys-
tem. With Windows
®
95/98/NT/XP using the program "HyperTerminal".