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Remember to ALWAYS click the 'Apply' button after you change any settings, this will program the
new settings to your Z-2400-A2I node.
Z-2400-A2I Digital and Relay Setpoints
Control: In the control mode, the Output node's digital outputs mimic
the digital outputs of the Input node. Up to four set points can be
assigned to control an event based on the signals coming from the
analogue input channels. For example:
A situation where a sensor is in a separate location to a heat switch.
Room temperature is measured by the Z-2400-A2I Input node's
analogue input 1. The Input node closes it's own relay output 1, which
indicates to the Z-2400-A2O Output node to close it's relay output 1.
This switches the heat on in the separate location until the room heats
to the correct temperature, where the Input node then releases it's relay
output 1, signaling for the Output node to do the same.
Alarm: The alarm mode works in exactly the same way as the control mode, where the digital outputs are mimicked,
the difference is how their respective functions are setup to work. Instead of an event action, as per the selections in the
control mode, the alarm mode has configurable alarm setpoint values, with options for hysteresis and also the alarm
delay timers set in seconds.
Offset Adjust: Offset adjust is for calibration purposes only, this allows
you to fine tune the Display Value of an incoming signal.
Filter Time: The filter time can be used to help filter out any electrical
noise on the input signals. This can be set in 1 second increments.
Linearisation: This brings up a table where you can set your own
linearisation values manually. There are up to 32 user defined points for
curve fitting.
Manually Adjust Clamping: By clicking on the 'Manually Adjust
Clamping' link, you can manually configure the clamping to a range that
suits your specific design. (Default values are factory set.)
Scaling/Offset Mode: Allows you to custom set the input value (eg
4~20mA) to a specific display value (eg -50~+50) using the edit tab.
You can also select to calibrate with live input signals by selecting the
'Live 2-Point Calibration'.
Output Retransmission: The Z-2400-A2O output node is only able to supply an
isolated 4~20mA loop from it's analogue outputs. This is where you set the Input
nodes 'display value' to be transmitted to a 4~20mA signal. e.g. An RTD Pt100
input with a range of 0~100°C will be set to: '0 = 4mA' and '100 = 20mA'.
Or if the Input is 4~20mA, then the 'Output Retransmission'
should be set to: '4 = 4mA' and '20 = 20mA' as shown.
The next setup is the Setpoints tab, to configure the
Relay and Digital outputs.
There are three main 'Mode' options for each output:
Transparent, Control, and Alarm.
Transparent: This mode simply sends the digital input
from either node to the output of the other.
(Input state or pulse = output state or pulse.)
12
Transparent Signals Between Nodes
From Z-2400-A2I to Z-2400-A2O
and Z-2400-A2O to Z-2400-A2I
Digital Input 1
Digital Input 2
Digital Input 3
Digital Input 4
(Default relay state is normally open.)
Control Signals
From Z-2400-A2I to Z-2400-A2O
Controls Input
Analogue
Node
Input
Relay 1
Analogue
Input 1
Relay 2
Digital Output 3 Digital Output 3
Analogue
Input 2
Digital Output 4 Digital Output 4
Relay Output 1
Relay Output 2
Digital Output 3
Digital Output 4
Mimicked to
Output Node
Relay 1
Relay 2
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