2 terminal arrangement – TOHO ELECTRONICS TTM-00BT User Manual
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4.1.2 Resistance bulb input
4.2 Terminal arrangement
4.2.1 Temperature input (TB1: terminal block): For thermocouple input
* For terminal numbers, see the carvings in the terminals.
Terminal
No.
CH
Terminal
name
Terminal
No.
CH
Terminal
name
Terminal
No.
CH
Terminal
name
Terminal
No.
CH
Terminal
name
A1
+
A3
+
A5
+
A7
+
B1
1
−
B3
3
−
B5
5
−
B7
7
−
A2
+
A4
+
A6
+
A8
+
B2
2
−
B4
4
−
B6
6
−
B8
8
−
4.2.2 Temperature input (TB1): For resistance bulb input
Terminal
No.
CH
Terminal
name
Terminal
No.
CH
Terminal
name
Terminal
No.
CH
Terminal
name
Terminal
No.
CH
Terminal
name
A1
A
A3
A
A5
A
A7
A
B1
B
B3
B
B5
B
B7
B
C1
1
b
C3
3
b
C5
5
b
C7
7
b
A2
A
A4
A
A6
A
A8
A
B2
B
B4
B
B6
B
B8
B
C2
2
b
b4
4
b
C6
6
b
C8
8
b
4.2.3 Power (TB2: terminal block)
Terminal
No.
Polarity
Power
voltage
1
+
2
−
24V
4.2.4 Communication (TB3: terminal block)
Terminal
No.
RS-485
RS-232C
1
A
RXD
2
B
TXD
3
SG
Event output
Control output
CT input
Voltage
input
Communi-
cation
Power
Temperature input