Honeywell UDC2500 Manual

January 2017 51-52-33-137 4
Table 3: How to Remove the Printed Wiring Boards from the Chassis
Step
Action
1
Remove the chassis from the case as shown in Figure 1.
2
Find J8 in Figure 2. Remove all wire connectors from J8 by sliding a small screwdriver
under each connector and lift the release.
3
Separate the chassis frame at the release points shown in Figure 3 and ease each
printed wiring board out of its socket on the display/keyboard assembly. Pull all boards
out of the chassis.
4
Lay the boards flat on a static-free surface. If the Display/Keyboard is to be replaced, go
to Table 4. If the Display/Keyboard is not being replaced, go to Table 5.
Figure 3: Removing Printed Circuit Boards
Release points (top and bottom)

Honeywell UDC2500 Specifications

General

Type	Universal Digital Controller
Alarm Relays	Up to 2 alarm relays
Communication	RS485 Modbus RTU
Mounting	Panel Mount
Display	Dual 4-digit LED
Input Types	Thermocouple, RTD, mA, V
Control Modes	On/Off, PID
Output Types	Relay, mA, V
Power Supply	100-240 VAC, 24V DC
Dimensions	96x96x132 mm