E5EC-800/E5EC-B-800/E5AC-800
30
Communications Specifications
*1 The baud rate, data bit length, stop bit length, and vertical parity can be
individually set using the Communications Setting Level.
*2 Modbus is a registered trademark of Schneider Electric.
Communications Functions
MELSEC is a registered trademark of Mitsubishi Electric Corporation.
KEYENCE is a registered trademark of Keyence Corporation.
*1 A Temperature Controller with version 1.1 or higher is required.
A Temperature Controller with version 2.1 or higher is required for
the FX Series or the KV Series.
*2 Both the programless communications and the component
communications support the copying.
Current Transformer (Order Separately)
Ratings
Heater Burnout Alarms and SSR Failure
Alarms
*1. For heater burnout alarms, the heater current will be measured when the
control output is ON, and the output will turn ON if the heater current is
lower than the set value (i.e., heater burnout detection current value).
*2. For SSR failure alarms, the heater current will be measured when the
control output is OFF, and the output will turn ON if the heater current is
higher than the set value (i.e., SSR failure detection current value).
*3. The value is 30 ms for a control period of 0.1 s or 0.2 s.
*4. The value is 35 ms for a control period of 0.1 s or 0.2 s.
Electrical Life Expectancy Curve for
Control Output Relays (Reference
Values)
Transmission line
connection method
RS-485: Multidrop
Communications RS-485 (two-wire, half duplex)
Synchronization
method
Start-stop synchronization
Protocol CompoWay/F, or Modbus
Baud rate *1 9600, 19200, 38400, or 57600 bps
Transmission
code
ASCII
Data bit length *1 7 or 8 bits
Stop bit length *1 1 or 2 bits
Error detection
Vertical parity (none, even, odd)
Block check character (BCC) with
CompoWay/F or CRC-16 with Modbus *2
Flow control None
Interface RS-485
Retry function None
Communications
buffer
217 bytes
Communications
response wait time
0 to 99 ms
Default: 20 ms
Programless
communications
*1
You can use the memory in the PLC to read and
write E5@C parameters, start and stop operation,
etc. The E5@C automatically performs communi-
cations with PLCs. No communications program-
ming is required.
Number of connected Temperature Controllers:
32 max. (Up to 16 for the FX Series)
Applicable PLCs
OMRON PLCs
CS Series, CJ Series, CP Series, NJ Series,
or NX1P
MELSEC Q Series, L Series, FX3 Series, or
iQ-R Series
KEYENCE PLCs
KEYENCE KV Series
Component
Communications
*1
When Digital Temperature Controllers are con-
nected, set points and RUN/STOP commands
can be sent from the Digital Temperature Control-
ler that is set as the master to the Digital Temper-
ature Controllers that are set as slaves.
Slope and offsets can be set for the set point.
Number of connected Digital Temperature Con-
trollers: 32 max. (including master)
Copying
*2
When Digital Temperature Controllers are con-
nected, the parameters can be copied from the
Digital Temperature Controller that is set as the
master to the Digital Temperature Controllers that
are set as slaves.
E54-CT1
E54-CT3
E54-CT1L
E54-CT3L
Dielectric strength 1,000 VAC for 1 min 1,500 VAC for 1 min
Vibration resistance 50 Hz, 98 m/s
2
Weight
E54-CT1: Approx. 11.5 g,
E54-CT3: Approx. 50 g
E54-CT1: Approx. 14 g,
E54-CT3: Approx. 57 g
Accessories
E54-CT3 Only
Armatures (2)
Plugs (2)
None
CT input (for heater
current detection)
Models with detection for single-phase
heaters: One input
Maximum heater
current
50 A AC
Input current indica-
tion accuracy
±5% FS ±1 digit max.
Heater burnout
alarm setting range
*1
0.1 to 49.9 A (in units of 0.1 A)
Minimum detection ON time: 100 ms *3
SSR failure alarm
setting range *2
0.1 to 49.9 A (in units of 0.1 A)
Minimum detection OFF time: 100 ms *4
500
300
100
50
30
10
5
3
1
0123456
Switching current (A)
E5EC-800/E5EC-B-800/E5AC-800
250 VAC, 30 VDC
(resistive load)
cosφ = 1
Life (× 10
4
operations)
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