![ICS 8099 Скачать руководство пользователя страница 32](http://html1.mh-extra.com/html/ics/8099/8099_instruction-manual_3540995032.webp)
2-12
2
Figure 2-10a shows the RS-232 connection to a Watlow F4 Temperature
Controller. Both interfaces transmit on pin 2 and receive on pin 3. Figure
2-10b shows the same signals coming through a bulkhead connector on the
temperature chamber wall. Get the bulkhead pins numbers from your Chamber
manufacturer or use a voltmeter to determine the pin numbers before trying to
connect the 8099 to the chamber with s ‘standard’ RS-232 cable. (See Table
5.1 for how to determine TX and RX signals with a voltmeter) You may need
a ‘null-modem’ or a specially wired cable to make the connections.
1
2
3
4
5
6
7
.
.
25
8099
8099
TXD
RXD
1
.
.
12
13
14
15
16
WATLOW F4
(a) 8099 Direct RS-232 Connections to a Watlow F4 Controller
1
2
3
4
5
6
7
.
.
25
8099
WATLOW F4
8099
TXD
RXD
1
.
.
12
13
14
15
16
GND
Temperature Chamber
(b) 8099 RS-232 Connections through a Bulkhead Connector
Figure 2-10 8099 RS-232 Connections to a Watlow F4
2.6.3 RS-485 Connections to a Modbus Device
The 8099's RS-422/RS-485 differential serial interface is a four-wire interface
with transmit (SD) and receive (RD) signal pairs. Because most RS-485 Modbus
networks are two-wire, half-duplex networks, the 8099’s SD and RD signal
pairs have to be jumpered together in the cable connector as shown in Figure
2-11a. The 8099 has to be configured for RS-485 operation when used on a
Содержание 8099
Страница 20: ...1 16 1 This page intentionally left blank...
Страница 40: ...3 4 3 Figure 3 1 Status Reporting Structure Flash Data Corrupted...
Страница 156: ...Index 6 I This page intentionally left blank...