Yokogawa ADMAG AXR User Manual
Page 34
<4. WIRING>
4-10
IM 01E30D01-01EN
n
Wiring Examples (General - purpose Use/Explosion Proof Type except TIIS)
Table 4.6.2 General - purpose Use/Explosion Proof Type except TIIS Wiring Examples (Current Output, Pulse
Output, Status Output and Alarm Output)
Connection
Description
Current Output
In this case,
Communication is
possible
(up to a distance of 2
km when a CEV cable
is used.)
SUPPLY
DO
Distributor, etc.
+
−
R3
+
−
+
−
E1
AXR Terminal
Cable Resistance:R1
[
Ω
] �
*9
Cable Resistance:R2
[
Ω
]
*9
0.0236 × (R1 + R2 + R3) + 14.7 ≤ E1 [V] ≤ 42�
*10
In the case of R3 = 250 [Ω]
0.0236 × (R1 + R2) + 20.6 ≤ E1 [V] ≤ 42�
*10
R3
[
Ω
]:Load Resistance
Pulse Output
In this case,
No communication is
possible when a four-
wire cable is used.
SUPPLY
DO
+
−
+
−
R
+
−
E2
AXR Terminal
E3:30 V DC max
Cable Resistance:R1[Ω] *9
Cable Resistance:R2[Ω] *9
0.0236×(R1+R2)+14.7
≤
E2[V]
≤
42
�
*10
*7
*6
*1
*1: This supply voltage requires a power source
with a maximum output current of no less than E3/R.
Electric
counter
Pulse Output
In this case,
No communication is
possible when a three-
wire cable is used.
R
E4
0.0236×(R1+R2)+14.7
≤
E4[V]
≤
30
*7
*2: This supply voltage requires a power source
with a maximum output current of no less than (E4/R+0.0236).
SUPPLY
DO
+
−
+
−
AXR Terminal
Electric
counter
+
−
*6
*2
Cable Resistance:R2[Ω] *9
Cable Resistance:R1[Ω] *9
Status Output
Alarm Output
In this case,
No communication is
possible when a four-
wire cable is used.
E2
Magnetic
valve
Relay
AC Power Supply
External Power Supply
30 V DC,120 mA max
SUPPLY
DO
+
−
+
−
AXR Terminal
0.0236×﴾R1
+
R2﴿
+
14.7
≤
E2
[
V
]
≤
42
�
*10
Cable Resistance:R1
[
Ω
]
*9
Cable Resistance:R2
[
Ω
]
*9
Status Output
Alarm Output
In this case,
No communication is
possible when a three-
wire cable is used.
Magnetic
valve
Relay
AC Power Supply
External Power Supply
30 V DC,120 mA max
SUPPLY
DO
+
−
+
−
AXR Terminal
0.0236×﴾R1
+
R2﴿
+
14.7
≤
E2
[
V
]
≤
42
�
*10
Cable Resistance:R1
[
Ω
]
*9
Cable Resistance:R2
[
Ω
]
*9
E2