Modular Temperature Controller for Gradient Temperature Control
EJ1G
7
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Communications Characteristics: Port C
Communications are not possible from port B on the End Unit. A connection is made between ports B when using distributed placement.
Note: 1.
The communications method can be switched between RS-485 and RS-232C. Another model must be used for RS-422 communications.
2.
For the number of Units that can be connected, refer to
“Connection Precautions”
on page 9.
3.
When performing gradient temperature control, the number of control channels is limited by the group setting. For details, refer to
“Gradient Group Settings”
on page 11.
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Ratings
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Characteristics
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Communications
Note:
Port A connector communications and port A terminal communications cannot be used at the same time.
Transmission path connection
RS-485/RS-422: Multi-point, RS-232C: Point-to-point (See note 1.)
Communications method
RS-485/RS-422 (two-wire, half duplex), RS-232C
Synchronization method
Start-stop synchronization
Baud rate
9.6, 19.2, 38.4, 57.6, or 115.2 kbps
Transmission code
ASCII
Data bit length
7 or 8 bits
Stop bit length
1 or 2 bits
Error detection
Vertical parity (none, even, or odd)
Block check character (BCC) with CompoWay/F
Flow control
None
Interface
RS-485, RS-422, RS-232C (See note 1.)
Retry function
None
Communications response wait time
1 to 99 ms (default: 5 ms)
Number of Units that can be connected in
parallel (See notes 2 and 3.)
16 Units (model numbers with TC4: 64 channels, model numbers with TC2: 32 channels)
End Unit/EJ1C-EDU
Power supply voltage
24 VDC
Operating voltage range
85% to 110% of rated voltage
Auxiliary output
Outputs
2
Transistor outputs
Max. operating voltage: 30 VDC, Max. load current: 50 mA
Ambient temperature range
Operating:
−
10
°
C to 55
°
C
Storage:
−
25
°
C to 65
°
C (with no icing or condensation)
Ambient humidity range
Operating: 25% to 85% (with no condensation)
Insulation resistance
20 M
Ω
min. (at 500 VDC)
Dielectric strength
600 VAC, 50/60 Hz for 1 min between current-carrying terminals of different polarity
Vibration resistance
10 to 55 Hz, 20 m/s
2
for 2 hours each in X, Y, and Z directions
Shock resistance
150 m/s
2
max., 3 times each in 6 directions
Weight
70 g
Degree of protection
End Unit case: IP20, Terminal section: IP00
Standards
Approved standards
UL61010C-1, CSA C22.2 No.1010-1
Conformed standards
EN61010-1 (IEC61010-1): Pollution level 2, overvoltage category II
EMC Directive
Same as for the Basic Unit. Refer to page 3.
Port A
Basic Unit Communications (Refer to
“Communications Specifications”
on page 4.)
Port A connector (See note.)
E58-CIFQ1
