Tab. 31: "Modbus RTU" status LEDs
Colour Cause
red
(flashing)
The Modbus does not function correctly.
yellow The Modbus is currently sending or
receiving.
green The Modbus PCB is supplied with
voltage.
The 3 LEDs on top of the pump show the operating and fault sta‐
tuses of the pump itself - see "Operating Instructions for the Sole‐
noid Metering Pump gamma/ X, GMXa".
3.8
Accessories
You can use our CAN accessories, below, for a
gamma/ X Modbus installation.
Accessories Order no.
T-coupler M12 5-pin. CAN 1022155
Terminating resistor M 12 coupling 1022154
Terminating resistor M 12 plug 1022592
Connecting cable - CAN, M 12, 5-pin, 1 m 1022139
Connecting cable - CAN, M 12, 5-pin, 2 m 1022140
Connecting cable - CAN, M 12, 5-pin, 5 m 1022141
Connecting cable - CAN, sold by the metre 1022160
CAN coupling, M 12, 5-pin. Screw connector 1022157
CAN plug M 12, 5-pin. Screw connector 1022156
3.9 Modbus RTU for Prominent pumps register
Tab. 32: Tip - Number of registers
Data type Number of
registers
BOOLEAN 1
Enum 1
FLOAT32 2
U16 1
U32 2
INT16 1
Supplementary Operating Instructions for Modbus RTU
47