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7.1.7 LED1 is flashing red
Cause
The GiC communication
is lost or there is no
communication to the
server.
7.1.8 No connection of CIM 550 to GiC
Cause
No connection to the
GiC server.
7.1.9 LED3 for the RS-485 interface is flashing red
Cause
The communication with
the Modbus RTU slaves
is not working.
No cloud driver for the
Modbus RTU slave
device has been loaded
to CIM 550.
8. Decommissioning
Delete all information before
decommissioning.
Press the reset button for 5 seconds to
start a factory reset.
12
Remedy
•
Check the Ethernet
cable.
•
Check the router
settings.
•
Make sure that the
contract with Grundfos
is valid, and that there
is access to the GiC
data.
Remedy
•
Make sure that the
contract with Grundfos
is valid, and that there
is access to the GiC
data.
•
Check the
commissioning status
on the GiC system
page.
Remedy
•
Make sure that the
slaves have unique
Modbus RTU
addresses.
•
Check the Modbus
RTU parameter
settings such as baud
rate, parity bits, start/
stop bits.
•
Load a cloud driver for
the Modbus RTU slave
device.
9. Technical data
Application layer DHCP, HTTP, HTTPS, Ping
Transport layer
TCP, UDP
Internet layer
Internet protocol V4 (IPv4)
ARP, Media Access Control,
Link layer
Ethernet
Screened, twisted-pair cable,
CAT5, CAT5e or CAT6
Ethernet cable
Auto-crossover detection (auto
MDI-X)
Transmission
10 Mbit/s, 100 Mbit/s (auto-
speed
detected)
Industrial
Ethernet
GiC / GDP
protocols
Only use a dedicated interface
Power supply
slot for a CIM module in the
Grundfos host product.
Min./Max.
-25 to +70 °C
storage
-13 to +158 °F
temperature
Min./Max.
-20 to +70 °C
operation
-4 to +158 °F
temperatures
Modbus RTU connection, type RS-485
Screened, twisted-pair cable
Modbus wire
Min. 0.25 mm
configuration
Conductors: D0, D1 and common
Screened, twisted-pair cable
GENIbus wire
Min. 0.25 mm
configuration
Conductors: A(+), B(-) and Y
(common)
Maximum cable
1200 m (4000 ft)
length
Slave address
1-247 (default 231)
Preset to "Off"
Line termination
Position "On" for line termination
Bluetooth information
Frequency of operation
Modulation type
Maximum data rate
Transmit power
2
/ Min. 23 AWG
2
/ Min. 23 AWG
2400-2483,5 MHz (ISM
band)
GFSK
2 Mbps
5 dBm EIRP with internal
antenna
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