Yokogawa ADMAG AXR - Manual (Page 37)

<4. WIRING>
4-13
IM 01E30D01-01EN
n WIRING EXAMPLE (TIIS Explosion Proof Type)
Table 4.6.5 TIIS Explosion Proof Type 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
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
JIS Class A
Hazardous area Non-hazardous area
+
−
AXR Terminal
+
−
+
−
Pulse Output
In this case,
No communication is
possible when a five-
wire cable is used.
JIS Class A
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
Electric
counter
SUPPLY
DO
+
−
+
−
Hazardous area Non-hazardous area
*1: This supply voltage requires a power
source with a maximum output
current of no less than E3/R.
Pulse Output
In this case,
No communication is
possible when a four-
wire cable is used. Cable Resistance:R1[Ω] *9
Cable Resistance:R2[Ω] *9
R
E4
0.0236×(R1+R2)+14.7 ≤ E4[V] ≤ 30
*7
AXR Terminal
Electric
counter
+
−
*6
*2
SUPPLY
DO
JIS Class A
+
−
+
−
Hazardous area Non-hazardous area
*2: This supply voltage requires a power
source with a maximum output
current of no less than (E4/R+0.0236).
Status Output
Alarm Output
In this case,
No communication is
possible when a five-
wire cable is used.
Cable Resistance:R1 [ Ω ] *9
Cable Resistance:R2 [ Ω ] *9
E2
Magnetic
valve
Relay
AC Power Supply
External Power Supply
30 V DC,120 mA max
AXR Terminal
0.0236×﴾R1 + R2﴿ + 14.7 ≤ E2 [ V ] ≤ 42*10
JIS Class A
SUPPLY
DO
Hazardous area Non-hazardous area
+
−
+
−
Status Output
Alarm Output
In this case,
No communication is
possible when a four-
wire cable is used.
Cable Resistance:R1 [ Ω ] *9
Cable Resistance:R2 [ Ω ] *9
External Power Supply
30 V DC,120 mA max
Magnetic
valve
Relay
AC Power Supply
AXR Terminal
0.0236×﴾R1 + R2﴿ + 14.7 ≤ E2 [ V ] ≤ 42*10
E2
JIS Class A
SUPPLY
DO
Hazardous area Non-hazardous area
+
−
+
−