4
ELECTRICAL CONNECTIONS
54
RM640
www.honeywellprocess.com
34-VF-25-131 iss.1 GLO Feb 2019 US
4.7 Networks
4.7.1 General information
The device uses the HART
®
communication protocol. This protocol agrees with the HART
®
Communication Foundation standard. The device can be connected point-to-point. It can also
have a polling address of 1 to 63 in a multi-drop network.
The device output is factory-set to communicate point-to-point. To change the communication
mode from point-to-point
point-to-point
point-to-point
point-to-point to multi-drop
multi-drop
multi-drop
multi-drop, refer to
HART
®
network configuration on page 104.
4.7.2 Point-to-point connection
Figure 4-8: Point-to-point connection (non-Ex)
1
Address of the device (0 for point-to-point connection)
2
4...20 mA + HART
®
3
Resistor for HART
®
communication (typically 250 ohms)
4
Power supply
5
HART
®
converter
6
HART
®
communication software
Содержание RM640
Страница 4: ...4 www honeywellprocess com 34 VF 25 131 iss 1 GLO Feb 2019 US ABOUT THIS DOCUMENT RM640 ...
Страница 20: ...1 SAFETY INSTRUCTIONS 20 RM640 www honeywellprocess com 34 VF 25 131 iss 1 GLO Feb 2019 US ...
Страница 56: ...4 ELECTRICAL CONNECTIONS 56 RM640 www honeywellprocess com 34 VF 25 131 iss 1 GLO Feb 2019 US ...
Страница 120: ...6 OPERATION 120 RM640 www honeywellprocess com 34 VF 25 131 iss 1 GLO Feb 2019 US ...
Страница 164: ...9 DESCRIPTION OF HART INTERFACE 164 RM640 www honeywellprocess com 34 VF 25 131 iss 1 GLO Feb 2019 US ...
Страница 182: ...10 APPENDIX 182 RM640 www honeywellprocess com 34 VF 25 131 iss 1 GLO Feb 2019 US ...
Страница 183: ...APPENDIX 10 183 RM640 www honeywellprocess com 34 VF 25 131 iss 1 GLO Feb 2019 US ...