Model Key; Customized I/O Options - BRONKHORST ES-FLOW 1 C Series Instruction Manual

3.3

Model key

The model key on the serial number label contains information about the technical properties of the product as ordered.
The actual properties of your instrument can be retrieved from the diagram below.
3.3.1

Customized I/O options

ES-FLOW™ 1xxC instruments offer various customized input/output functions through pin 5 of the
through pin 2 of the actuator output connector
and cannot be changed.
The last 3 groups of the model key on the serial number label indicate the installed I/O configuration. The possible
configurations are described in the table below. See the
explanation of the codes.
Code Description
000 Disabled, pin 5 is pulled down to 0 Vdc (default selection)
A1V* 0...10 Vdc sourcing output, controller
Analog signal for pump or external valve steering (control signal only)
When the controller output is used for pump or external valve steering (mass flow meters only), make sure
to set parameter Valve maximum to 0.3 [A]. For mass flow controllers, the controller output is limited to a
value below 10Vdc, due to the maximum valve current restriction.
9.17.153E
Bronkhorst®
as an option. I/O options are factory installed as specified at ordering time,
hook-up diagram
Instruction Manual ES-FLOW™ 1xxC
for custom bus and I/O configurations for an
power connector and
13