5.10.3
Editing control parameters
The [Tv man/auto] menu item allows you to define whether the
control parameters [Tv] and [Td] are adapted manually or config-
ured automatically. If the automatic setting is enabled, both control
parameters are marked with the letter "a" and a lock symbol and
cannot be selected. In this case, [Tv] and [Td] are derived with
fixed factors of [Tn].
1.
Press the desired operating button.
2.
Select the
Menu
Setup
Control
Control parameter
menu items.
3.
Select the control parameter that you want to change.
An input window appears. A value can be entered within
the limit values displayed.
4.
Press [OK] to confirm the entry.
5.11 RS 232 interface
5.11.1
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
Operation
LOOP
31
Summary of Contents for L 100
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