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Ohkura

Comparison of Programmable Controllers
Ohkura vs. Omron, Fuji, and Yokogawa

  Ohkura Omron Fuji Yokogawa M&C
Products EC5600S E5AK-T PVX UP550
Input TC: 23 type, Pt100: 5 type, JPt100: 5 type, mV: 3 type, V: 2 type, mA 1 type TC: 12 type, Pt100: 1 type, JPt100: 1 type, V: 3 type, mA 2 type TC: 11 type, Pt100: 8 type, JPt100: 7 type, mV: 2 type, V: 4 type, mA 1 type TC: 14 type, Pt100: 3 type, JPt100: 2 type, mV: 2 type, V: 4 type
Resolution (digit) 4 4 4 5
Accuracy (%) ±0.2 ±0.2 to 0.3 ±0.2 ±0.1 to 0.2
Control Evaluation Cycle (second) 0.1 0.25 for T/C input, 0.1 for mA, V input 0.1 0.1 max.
Output Multioutput (1 point)
Relay: 1a 250VAC 3A
SSR: 15VDC 20mA
Current: 4 to 20mADC or 0 to 5mADC
(Nonselective with multioutput function)
Output unit method (sold separately)
Relay: 250 VAC 5A
SSR: 75 to 250VAC 1A
Current: 4 to 20mADC
0 to 20mADC
Voltage: 12VAC 40mA
24VAC 20mA
0 to 10VDC
0 to 5VDC
To be specified in ordering
Relay: 1c 220VAC 3A
SSR: 10 to 18VDC 20mA
Current: 4 to 20mADC
Multioutput (1 point)
Relay: 250VAC 3A or 30VDC 3A
SSR: 12VDC 30mA
Current: 4 to 20mADC
0 to 20mADC
20 to 4mADC
20 to 0mADC
Dual Output Option Available with output device sold separately None Option
Program Capacity 16 pattern max. 189 step, 63 step per pattern 8 pattern x 16 step 9 pattern x 20 step 30 pattern, 300 step, 99 step max. per pattern
DO Alarm + DO 4 point
Option 8 point
Alarm 2 point Alarm 2 point
Option 2 point
Alarm + DO 7 point
DI Standard 4 point, Option 7 point 4 point, but 2 point with communication 4 point Standard 7 point, option 1 point
Multi-setpoint Multi PID: 8
Programmed PID (Reference point: 3)
None Multi PID: 9 Multi PID: 8
Programmed PID (Reference point: 6)
AO 4 to 20mA / 0 to 20mADC (Option) 4 to 20mADC 2 point (Option) 4 to 20mADC 2 point, 2 outputs, nonselective with sensor power supply
Communication Interface RS-232C / RS-422A
(Required interface module sold separately)
ARCNET (Option)
RS-232C / RS-422 / RS-485
(To be specified in ordering)
Option
RS-232C / T-rink (Custom Network)
RS-485
(To be specified in ordering)
Servo Drive Option To be advised applicable spec. of PDU or other device by ordering None To be advised applicable spec. of PDU or other device by ordering
Heater Break Detection Option (Extended I/F+ZE7201 required) Available with ON/OFF output model None None
Outside Dimensions (mm) 96x96x114.9 (Length of dial excluded) 96x96x113.5 96x96x185.5 96x96x111
Features Self Tuning (Option),
Antiovershoot Dial Setting,
LCD Graphic Dislay,
Sensor Power Supply (Option)
EN Standard (CE Marking) approved,
Water-proof (NEMA4)
Three digital display Antiovershoot Full dot LCD graphic display,
Dust-proof, Drip-proof (IP55),
Sensor power supply (unavailable when dial output or AO is specified),
Light-loader available

Integrated Control Solutions
28 Bridge Avenue
Tower Building
Scituate, MA 02066 U.S.A.
Tel (781) 545-5100 / (800) 966-1909
Fax (781) 545-1949
E-mail