Custom Electronics Systems, Inc.
455 FORUM PARKWAY RURAL HALL, NORTH CAROLINA
27045
PHONE: (336) 969 2411 FAX: 336 969 2412
EMAIL: INFO@DRAFTRANGE.COM
CES 287 Specifications
Input:4 to 20 mA into 250 ohms
Output:4 to 20mA into 800 ohms
0 to 5 volts into 1K ohms
0 to 10 volts into 2K ohms
Control Mode:Auto compensating reset
Proportional Band:1 to 100%
Rate:.08 to .8 second/%
Hysteresis and Deadband:Less than .001%
Repeatability:Less than .01% FS
Windup:3 seconds maximum
Termination:Screw terminals
Power: 90 to 120VAC @ 2.4VA Max.
Operating Temp:0 to 55 C
DISPLAYS:
Process:3 1/2 digit .3" LED used to display the process under control
Setpoint:3 1/2 digit .3" LED used to display the setpoint
Output:2 1/2 digit .3" LED used to display output
Controls:
Setpoint: Used to set desired process control level.
Used to set sensivity of controller.
Rate: Used to set maximum rate of change of the output.
Please Note: The CES 287 Controller is available in almost any standard input/outpt
configuration.Others are
available upon request, check at time of ordering.
ORDERING INFORMATION
CES 287-1-2-3
1. Output
V: Voltage out
I:current out
2. Desired minimum reading (4 mA)*
3. Desired Maximum Reading(20mA)
PIN ASSIGNMENTS:
1. 120 VAC Line Power 10. Remote Analog Set Point Input (1 to
5
2. No Connection volt. Used when cascading
CONTROLLERS)
3. 120 VAC Neutral 11. Action control
4. No Connection 12. Remote Manual/Auto Control Input-
Connecting
5. Analog Common (Ground) this pin to pin 5 in the remote mode
causes
6. Setpoint the controller to operate in a manual mode.
7. Process Input 13. Output hold
8. Output Analog Output (1 to 5 volt) 14. Controller Output
9. No Connection 15. +24 VDC
APPLICATION NOTES:
DIMENSIONS:
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