WARNING!
Touching pieces charged with voltage when installing the mod-
ules
Electric shock
Disconnect the device before installing modules.
Description for installing an interface module
1. Touch the grounded bare stainless steel panels on the constant tem-
perature equipment in order to discharge any possible electrostatic
charge.
2. Turn o the constant temperature equipment and pull out the mains
plug.
3. Remove the module from its packaging.
4. The module bays are protected with a cover. Carefully remove the
cover.
5. Carefully remove the bus connection cable from the cover.
6. Insert the bus connection cable (red plug with red socket).
The plug and the socket are reverse polarity protected.
7. Insert the module into the bay and fasten it with the two cross-head
screws.
The interface module is ready for use.
4.3 RS 232 interface
4.3.1 Cable and test of the RS 232 interface
Computer Thermostat
Signal 9-pin sub-D socket 25-pin sub-D socket 9-pin sub-D socket Signal
With hard-
ware hand-
shake
Without
hardware
handshake
With hard-
ware hand-
shake
Without
hardware
handshake
With hard-
ware hand-
shake
Without
hardware
handshake
RxD 2 2 3 3 2 2 TxD
TxD 3 3 2 2 3 3 RxD
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
V6 PRO bath thermostats and circulation thermostats 33 / 156
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