59
Communications Setup
8.2 Modem
8.2.1 Modem Connection
Use this connection with the optional internal modem (P/N 4578) and a standard dial-up
public telephone line. This interface can also be used for the SCADA-Modbus interface.
(See
Connect the telephone line to the meter with the Modem Line Filter Connector (P/N 4459
(2-pin connector)). The RJ11-style phone connector adapter (P/N 3188) can also be
provided for modular connection if desired (
).
Figure 14 RJ11-Style Modular Connector Adaptor (With Cover Removed)
8.2.2 Modem Programming
1.
From the Main Menu, select
OPTIONS>ADVANCED OPTION> COMMUNICATIONS
SETUP
.
2.
Highlight Modem Setup using the
UP
and
DOWN
soft keys. Press
ACCEPT
.
Table 23 Modem Connection Pin Assignments
Pin
Signal Description
Wire Color
A
tip
red
B
ring
green
C
12 V dc
N/A
D
12 V dc reference
N/A
1
Modem Cable Assembly (P/N 2862)
3
RJ11-Style Adaptor (P/N 3188)
2
Red
4
Green
4
3
2
1
11:00 AM 21 - APR - 01
COMUNICATION SETUP
SELECT
MODEM SETUP
RETURN
RS232 SETUP
Содержание Sigma 950
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Страница 20: ...18 Introduction...
Страница 34: ...32 Basic Programming Setup...
Страница 50: ...48 Sensor Installation...
Страница 82: ...80 Maintenance...
Страница 83: ...81 Appendix A Program Flow Charts Figure 22 Overview of Basic Program Menus...
Страница 84: ...82 Program Flow Charts Figure 23 Setup Flow Chart...
Страница 85: ...83 Program Flow Charts Figure 24 Options Flow Chart...
Страница 86: ...84 Program Flow Charts Figure 25 Alarms Menus Flow Chart...
Страница 87: ...85 Program Flow Charts Figure 26 Calibration Menus Flow Chart Page 1...
Страница 88: ...86 Program Flow Charts...
Страница 102: ...100 Programming Features...
Страница 106: ...104 Primary Devices Head Measurement Locations...
Страница 126: ...124 SCADA Modbus System Guidelines...