Table of Contents
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Digital Controller
A 96 x 96-mm (DIN) Digital Process
Controller
Optimum PID control with feed-forward control
circuitry.
High accuracy (+0.3% FS +1 digit max.).
Replaceable Output Units.
Models with communications capabilities also
available.
Ordering Information
Digital Controller
Communications
None
Model
E5AX-
L(M)A
*The Controller can also be equipped with a terminal block to connect communications. Specify a terminal block by adding "-X" to the model
number. Example: E5AX-LA02-X
**Capable of transmitting the process value or output value, but remote setting by external input is not possible.
Control Output Units
Output
Relay output
Model
E53-R
Control Input
Model
Input (switch
Current
selectable)
Input range
4 to 20 mA
Setting
0
Communications Boards
Communications
RS-232C
Model
E53-X01
RS-232C
RS-422*
E5AX-
E5AX-
L(M)A01
L(M)A02
SSR output
E53-S
E5AX-LA
Voltage
0 to 20 mA
1 to 5 V
0 to 5 V
1
2
3
RS-422
E53-X02
RS-485*
BCD
E5AX-
E5AX-
L(M)A03
L(M)A20
Voltage output (for driving SSR)
E53-Q
Voltage
0 to 1 V
0 to 100 mV
4
0
RS-485
E53-X03
E53-X20
E5AX-LA/-MA
Transmission
Communica-
output*/**
tions Board
(4 to 20 mA)
Add-on type
E5AX-L(M)AF
E5AX-L(M)AM
Current output
E53-C
E5AX-MA
0 to 10 mV
–10 to 10 mV
1
2
BCD
Transmission
output
(4 to 20 mA)
E53-XF
1
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Table of Contents
Related Manuals for Omron E5AX-LA
Summary of Contents for Omron E5AX-LA
- Page 1 Digital Controller E5AX-LA/-MA A 96 x 96-mm (DIN) Digital Process Controller Optimum PID control with feed-forward control circuitry. High accuracy (+0.3% FS +1 digit max.). Replaceable Output Units. Models with communications capabilities also available. Ordering Information Digital Controller Communications None...
- Page 2 Approx. 12 VA (at 100 VAC) to 15 VA (at 240 VAC) with communication function Input E5AX-LA: 4 to 20 mA, 0 to 20 mA, 1 to 5 V, 0 to 5 V, 0 to 1 V E5AX-MA: 0 to 100 mV, 0 to 10 mV, –10 to 10 mV...
- Page 3 E5AX-LA/-MA E5AX-LA/-MA Characteristics Setting accuracy +0.3% FS +1 digit max. Indication accuracy +0.3% FS +1 digit max. (Set value coincides with the indicated value, because no relative error exists between both values.) Indication range –10% to 110% FS Hysteresis 0.0% to 100.0% FS (in units of 0.1% FS) Proportional band 0.0% to 999.9% FS (in units of 0.1% FS)
- Page 4 RS-422: 500 m; RS-232C: 15 m; RS-485: 500 m $ Recommended connectors for E5AX. RS-485, -422, Transmission output XM4 D-sub connector (9 pin) (OMRON) RS-232C, BCD XM4, D-sub connector (25 pin) (OMRON) 2. A maximum of 32 Digital Controllers can be connected to one host computer using serial communications (RS-422, RS-485).
- Page 5 E5AX-LA/-MA E5AX-LA/-MA Operation NOTICE: Always turn off power to the Digital Controller before changing any switch settings. Settings 1. Remove the internal mechanism from the housing. Lift the To remove a Control Output Unit, push it up with the tip of internal mechanism while pressing the hook at the bottom of a flat-blade screwdriver as shown below.
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Page 6: Operating Mode Selector
E5AX-LA/-MA E5AX-LA/-MA Input Selector (SW206, INPUT) Operating Mode Selector (SW201, FUNCTION) This selector selects the input to be used. It is factory-set to position 0. The following table lists the other possible settings for input. This DIP switch selects the operational aspects listed in the follow- ing table. - Page 7 E5AX-LA/-MA E5AX-LA/-MA Switch Mode (SW203, 205) Alarm output Setting range setting Alarm operation Display When X is positive When X is negative No alarm No display Upper- and lower-limit alarm )––( 0 to 9999 Upper-limit alarm –999 to 9999 –––( Lower-limit alarm )–––...
- Page 8 E5AX-LA/-MA E5AX-LA/-MA Inputting Parameters The Digital Controller has three display levels, 0, 1, and 2, in which only specific parameters can be set. Level 0 is the initial and is automatically entered at power application. To change the mode to set or change a different group of parameters, hold down the Level Key for 2 seconds minimum.
- Page 9 E5AX-LA/-MA E5AX-LA/-MA If the A/M Key is pressed to switch to the manual output mode, a dis- Level 1 play like the following will appear and the MANU indicator will light. Process value o 80 Set manual output value (%) Decimal point setting Press a.
- Page 10 E5AX-LA/-MA E5AX-LA/-MA Decimal Point: dp Hysteresis: hys Set the position of the decimal point by pressing the Up and Down The hysteresis value for the ON/OFF control can be set between Keys. A value between 0 and 3 will be displayed to indicate the posi- 0.0% and 100.0% FS while hy5 is displayed on the PV display using...
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Page 11: Auto Tuning
E5AX-LA/-MA E5AX-LA/-MA Control Output Value: o Display Alarm mode When the Digital Controller enters level 2, the control output value is displayed on the SV display in a range of 0.0% to 100.0%. No display No alarm Input Type: in–t Upper- and lower-limit alarm )––(... -
Page 12: Error Messages
E5AX-LA/-MA E5AX-LA/-MA Error Messages The Digital Controller is provided with self-diagnostic functions, and will display an error message on the PV display when an error is detected. Message Cause Control output Alarm output Pulse output Current output* Input value has exceeded the upper-limit of... - Page 13 E5AX-LA/-MA E5AX-LA/-MA Dimensions Note: All units are in millimeters unless otherwise indicated. 2 to 11 Mounting screw RS-422 RS-485 4 to 20 mA transmission output Communications connector Communications board Communications board (RS-232C and BCD connector is shown.) (RS-422 and 485 terminals are shown.) (4 to 20 mA transmission output is shown.)
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Page 14: Connection Examples
E5AX-LA/-MA E5AX-LA/-MA Installation For relay For voltage output output output For current output Control output Ground FG terminal 18 under noise-interfered environment 4 to 20 mA 100 to 240 VAC, 50/60 Hz Alarm output 1 E5AX-LA E5AX-MA Alarm output 2... - Page 15 E5AX-LA/-MA E5AX-LA/-MA Terminal Arrangement Diagram on the Housing The Digital Controller allows the input and output devices to be free- ly selected. Use the terminal arrangement diagram shown on the housing of the Digital Controller to identify the output device...