If the ACROMAG unit is directly connected to the MultiSmart using a cross over cable, set the MultiSmart IP
address to 128.1.1.101. To configure the IP address of the ACROMAG unit for advanced installations, refer
to the unit manual (available for download from www.acromag.com). If advanced routing needs to be setup
in MultiSmart, refer to Section 22.4.
Navigate to:
1. Select the Modbus Master, which contains the slave profiles of the I/O units, using the select arrow
buttons and press Select.
2. Set the Comms Channel to TCP/IP 1, 2 or 3 whichever is available for use, Link Type to TCP and
press Save. Choose Restart Later option if prompted.
3. Use the select arrow button and select the first slave and press Edit. Select the Enabled? option if it
is not selected already, set the Slave Address to 1 and press Save.
4. Select the IP Address button, enter the ADAM unit's IP address in the Dest IP Address tab, set the
TCP Port to 502 and press Save. Now press Back button twice to navigate to the Modbus Master
settings. (If there is more than one slave, edit the settings for each additional slaves by following the
above procedure)
5. Press the Channel button, set the Connection Type to Initiating end-point and press Save.
6. From the Advanced screen, navigate to :
7. Change the Comms Channel parameter to TCP/IP 1 (or TCP/IP 2 or 3 if channel 1 is already used
by another application). Then change the Link Type parameter to TCP.
8. Next, from the Advanced screen, navigate to:
9. Change the Connection Type parameter to Initiating end-point
10. Then navigate to:
11. Set the IP Address parameter to the address selected for the ADAM IO device, and then set the TCP
Port parameter to 502 (which is the default for Modbus communications).
12. Once the changes are complete, press Save and restart the unit.
14.7.5
Verifying Communications & Values
Communications to an external I/O device can be verified by navigating to:
If communications have been successfully established then Online is True and Comms Fail is False.
•
Online status indicates whether the last message sent was acknowledged by the receiving device. If
no acknowledgment is received within a preset time, then Online is set to False. (Relevant
parameter - Default Response Timeout, default is 20s).
•
Comms Fail – if the channel remains offline for longer than a preset time, then Comms Fail is set to
True. (Relevant parameter - Comms Fail Time, default is 2 mins).
The Transmitted and Received counts are incremented on each message received or transmitted. By
default, scans are configured to occur every 2 seconds.
To view the values read by the MultiSmart, press the Back button, select the Modbus Master Values
button, and then select one of the point classes. All the points values read from the I/O device are displayed
and are dynamically updated as new values are read.
The full menu path is:
Page 108 of 260
MultiSmart Installation & Operation Manual
MultiSmart_IO_Manual_R20
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