
Serial Interface RS485
Connection
Terminal side, 9-pin D-sub socket
Protocol
Baud rate (adjustable)
Modbus RTU (optional):
Min. 1200 bit/s
Max. 115 200 bit/s
IEC 60870-5-103 (optional):
Min. 9600 bit/s
Max. 38 400 bit/s
Maximum distance of transmission
Max. 1 km
(depending on transmission rate)
Transmission level
Low: -5 V to -1.5 V
High: +1.5 V to +5 V
Reception level
Low: ≤ -0.2 V
High: ≥ +0.2 V
Bus termination
Not integrated, bus termination using plugs with inte-
grated bus terminating resistors.
Pin No.
Assignment
1
Shield
2
Not assigned
3
A
RS485 connection pin A
4
Not assigned
5
GND
(towards DC +5 V)
6
DC +5 V
Supply voltage for terminating resistors (max. 100 mA)
7
RTS
Direction control
(if required for an external conversion)
8
B
RS485 connection pin B
9
Not assigned
Environmental Conditions and Climatic Stress Tests
Environmental Conditions
Temperature data
Operating temperature
Devices with display: the legibility
of the display is impaired at
temperatures < 0 °C (+32 °F)
-25 °C to +55 °C
-13 °F to +131 °F
Temperature during transport
-40 °C to +70 °C
-40 °F to +158 °F
Temperature during storage
-40 °C to +70 °C
-40 °F to +158 °F
Maximum temperature gradient
20 K/h
12.1.4
Technical Data
12.1 Technical Data
248
SICAM, SICAM P850/P855 7KG85X, Manual
E50417-H1040-C482-A9, Edition 03.2022
Summary of Contents for SICAM 7KG85X
Page 7: ...6 SICAM SICAM P850 P855 7KG85X Manual E50417 H1040 C482 A9 Edition 03 2022 ...
Page 29: ...28 SICAM SICAM P850 P855 7KG85X Manual E50417 H1040 C482 A9 Edition 03 2022 ...
Page 99: ...98 SICAM SICAM P850 P855 7KG85X Manual E50417 H1040 C482 A9 Edition 03 2022 ...
Page 233: ...232 SICAM SICAM P850 P855 7KG85X Manual E50417 H1040 C482 A9 Edition 03 2022 ...
Page 259: ...258 SICAM SICAM P850 P855 7KG85X Manual E50417 H1040 C482 A9 Edition 03 2022 ...
Page 277: ...276 SICAM SICAM P850 P855 7KG85X Manual E50417 H1040 C482 A9 Edition 03 2022 ...
Page 281: ...280 SICAM SICAM P850 P855 7KG85X Manual E50417 H1040 C482 A9 Edition 03 2022 ...