22
Wiring Terminals
Section 2-2
• Use a E54-CT1 or E54-CT3 Current Transformer.
Event Inputs
Connect event inputs across terminals A4 and A6 for the TC2 and terminals
A1 and A6 for the HFU.
• The inflow current is approximately 4 mA.
• Use event inputs under the following conditions:
Communications
• For communications with the host, connect communications across termi-
nals B7 and B8 or terminals A7 to A9 on the HFU or connect across ter-
minals 1 and 2 or terminals 6 and 7 on the EDU. When using a connector
terminal block model, connect communications across terminals 7 and 8.
A7
A8
A9
CT1
CT2
B1
B2
B3
B4
B5
B6
B7
B8
B9
A1
A2
A3
A4
A5
A6
A7
A8
A9
TC2
Contact inputs
ON: 1 k
Ω
max., OFF: 100 k
Ω
min.
Non-contact
inputs
ON: Residual voltage: 1.5 V max., OFF: Leakage current: 0.1 mA
max.
A1
A2
A3
EV4
EV3
A4
A5
A6
EV2
EV1
A1
A2
A3
EV4
EV3
A4
A5
A6
EV2
EV1
B1
B2
B3
B4
B5
B6
B7
B8
B9
A1
A2
A3
A4
A5
A6
A7
A8
A9
HFU
B1
B2
B3
B4
B5
B6
B7
B8
B9
A1
A2
A3
A4
A5
A6
A7
A8
A9
TC2
TC2
HFU
Non-contact inputs
Contact inputs
+
+
−
+
+
−
Summary of Contents for EJ1 EtherCAT
Page 2: ...EJ1 Modular Temperature Controllers User s Manual Revised July 2008 ...
Page 3: ...iv ...
Page 19: ...xx ...
Page 213: ...188 Detailed Description of Services Section 6 4 ...
Page 227: ...202 Detailed Description of Services Section 7 5 ...
Page 303: ...278 Index ...
Page 305: ......