1. ModCon® 75 Controller

2. ModCon75 Controller
The perfect partner to the Ultima® X with X3 Technology!
It’s simple…
Connect
Assign
Start using
Don’t waste time
configuring a new PLC
MSA did it for you!

3. ModCon75 Overview ModBus RTU Controller
View up to 25 Ultima X3 Transmitters
75 Total Sensors!
Self-configuring
IP65 / NEMA4X (front-panel)
12 / 24 VDC

4. ModCon75 Overview
Bi-directional communication allows changes to be made at either ModCon75 or at the Ultima X3
alarm set points
latching/non-latching
increasing/decreasing
on/off

5. ModCon75 Overview Event logging ~ 2000 events 9 - Zone Control Relays
1 - Horn Relay (O9)
Sensor alarms
Enable / Disable
Alarm On / Off Delay
Latching / Unlatching
Increasing / Decreasing
Password Protected

6. ModCon75 Overview 10 SPST Dry Contact Relays
SPST, NO relays
5A max per output
8A max for common
7 year battery back-up on memory
memory sections
real-time clock
ModBus over Ethernet Interface – OPC Compliant (graphic displays, data-logger, etc.)
cUL Listed for panel mount version

7. ModCon75 Controller Panel Mount (user installed)
6.1”H x 10.2”W x 3.5”D
3 lbs.
Supports up to 25 X3 Transmitters (75 sensors)
9 assignable alarm / zone relays
Universal RS232 to RS485 Converter

8. ModCon75 Enclosures NEMA 4X Non-metallic Enclosure
17.3”H x 15.3”W x 6.7”D
18 lbs.
Supports up to 25 X3 Transmitters (75 sensors)
9 assignable alarm / zone relays
115VAC Power Supply
Universal RS232 to RS485 Converter

9. ModCon75 Main Screen
F1-adds another MODBUS node (UltimaX3 transmitter) to the network
F2-sets alarms
Enable / disable
increasing / decreasing
Energized / de-energized
latching / non-latching
set-point values
F3-Main Data Screen
F4-Displays set-point values only
F5-Password Editor - 2 levels
MSA Default
User programmable (default=0)
F6-Displays communication status
F7-Fault Status Screen – Automatic
when X3 goes into fault
F8-Zone Control – Setting up local relays for alarm and fan control
F9- Remote IO Editor

10. ModCon75 Controller F1 Add Units to Network
Password protected (Default=0)
Use this screen to connect new X3 sensor. Factory default is this will change address to this number.
Hit ESC to go back to Main Screen

11. ModCon75 Controller F2 Add Set-points
F2-will take you to password screen and then to a screen showing current set-point values. These values are read from the X3
Enter advances to next screen
ESC takes you back to main screen

12. ModCon75 Controller F2 Add Set-points Cont.
Displays Current Values for Unit # (Node ID) for Sensor 1 presets
F6- Skip to Sensor 2 Presets, enter will allow one to change presets.

13. ModCon75 Controller
Add Set-points Cont.
Sensor 2 Preset Screen

14. ModCon75 Controller
Add Set-points Cont.
Sensor 3 Preset Screen

15. ModCon75 Controller Add Set-points Cont. Displays all Presets
F7- Sends new presets to X3
ESC- Aborts and returns to main screen

16. ModCon75 Controller Add Set-points Cont.
Screen will indicate successful write or unsuccessful write

17. ModCon75 Controller F3 Main Data Screen
F1-Scrolls thru all units (nodes) on the ModBus network
F2- Allows one to view a specific unit (Node)
F3-Adjust the scroll time reading each node

18. ModCon75 Typical Display
Typical Display showing 3 sensors on node 2 of the Ultima X3 controller
ESC-Back to Main screen

19. ModCon75 Controller → Goes to presets for Sensor 2
F4 – Display Sensor presets
F4- Display Sensor presets only (Screen will not allow changing presets)
→ Goes to presets for Sensor 2

20. ModCon75 Controller F5 – Password Editor
F1-Password Default is MSA defaulted password
F2- Defaulted Password is 0. User can change this password for unauthorized changes

21. ModCon75 Controller F6 – MODBUS Alarms
Screen showing ModBus communications failures and identification of failed unit # (node #)

22. ModCon75 Controller F7 – Fault Status Screen
Example of Diagnostic screen Identifying Unit ID as well as the actual fault on unit ID
Automatic when fault occurs

23. ModCon75 Controller
F8 – Zone Control
Enables / disables alarms
Increasing / decreasing
Latch / unlatch
Setting zone control relays. Screen is password protected
First Screen to enable / disable alarms
Second Screen to set Increasing or Decreasing alarms

24. ModCon75 Controller F8 – Zone Control Cont.
Third Screen for setting latching / unlatching alarms
Zone control relays for caution, warning and alarm settings for Sensors 1, 2, and 3

25. ModCon75 Controller F8 Zone Control Cont.
F6- will send all changes to the X3 controller and also set the relays on the controller to activate
Locally based on set-point settings and relay numbers entered on the zone control menu
Response back for verification that all values were sent successfully
ESC-must hit escape to take one back to main screen

26. ModCon75 Event Logging
Event logging – Time date and stamp of all events (events are any fault alarms or alarms)
Logging will be done on any alarm and will continue to log at a preset rate until sensor goes out of alarm. Data logging is first in first out.
ModCon 75 can record ~2000 events.
Time / Date Stamp
Zone #
Unit #
Sensor #
Gas Type
Gas Reading
Status
03/20/ :01PM 01 3
LEL
10%
Caution