
Chapter 2: Installation CLS200 Series User’s Guide
46 Watlow Anafaze Doc.# 0600-3050-2000
Table 2.8 EIA/TIA-232 Connections
Jumpers in EIA/TIA-232 Connectors
Some software programs and some operator interface ter-
minals require a Clear to Send (CTS) signal in response to
their Request to Send (RTS) signal, or a Data Set Ready
(DSR) in response to their Data Terminal Ready (DTR).
The CLS200 is not configured to receive or transmit these
signals. To use such software with the CLS200, jumper the
RTS to the CTS and the DTR to the DSR in the DB connec-
tor. Table 2.9 lists the standard pin assignments for DB-9
and DB-25 connectors.
Table 2.9 RTS/CTS Pins in DB-9 and DB-25
Connectors
Cables manufactured by Watlow Anafaze for EIA/TIA-232
communications include these jumpers. Neither AnaWin
nor Anasoft software requires these jumpers.
Figure 2.31 Connecting One CLS200 to a Com-
puter Using EIA/TIA-232
Wire
Color
CLS200
TB1
DB 9
Connector
DB 25
Connector
White TX Pin 26 RX Pin 2 RX Pin 3
Red RX Pin 25 TX Pin 3 TX Pin 2
Black GND Pin 23 GND Pin 5 GND Pin 7
Green GND Pin 24 N/U Pin 9 N/U Pin 22
Shield N/C GND Pin 5 GND Pin 7
DB-9 DB-25
RTS 7 4
CTS 8 5
DTR 4 20
DSR 6 6
WATLOW ANAFAZE CLS200WATLOW ANAFAZE CLS200
LOOPLOOP
PROCESSPROCESS
UNITSUNITS
ALARMALARM
SETPOINTSETPOINT
STATUSSTATUS
OUT%OUT%
MAN
AUTO
MAN
AUTO
CHNG
SP
CHNG
SP
A
L
A
R
M
A
C
K
ALARM
ACK
RAMP
SOAK
RAMP
SOAK
YES YES
N
O
NO
BACK BACK
E
N
TE
R
ENTER
EIA/TIA-232
cable
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