Table 82: Pin assignment DI501 (X2)
Connector / Terminal Pin Assignment / Signal
X2 / S+ 1 Auxiliary voltage (max. 32 mA total load of S+ permitted)
for DI0 - DI3. Voltage derived from input voltage Vs+ (X4)
X2 / S+ 2 Auxiliary voltage (max. 32 mA total load of S+ permitted)
for DI0 - DI3. Voltage derived from input voltage Vs+ (X4)
X2 / DI0 3 Digital expansion input 0
X2 / DI1 4 Digital expansion input 1
X2 / DI2 5 Digital expansion input 2
X2 / DI3 6 Digital expansion input 3
X2 / S+ 7 Auxiliary voltage (max. 32 mA total load of S+ permitted)
for DI0 - DI3. Voltage derived from input voltage Vs+ (X4)
X2 / S+ 8 Auxiliary voltage (max. 32 mA total load of S+ permitted)
for DI0 - DI3. Voltage derived from input voltage Vs+ (X4)
Table 83: Pin assignment AX501 (X3)
Connector / Terminal Pin Assignment / Signal
X3 / Sensor shield 1 Sensor shield
X3 / GND 2 GND
X3 / AI0 3 Analog expansion input 0
X3 / AI1 4 Analog expansion input 1
X3 / AI2 5 Analog expansion input 2
X3 / AO0 6 Analog expansion output 0
X3 / GND 7 GND
X3 / Sensor shield 8 Sensor shield
The connections X3 / 2 and X3 / 7 (GND) are directly connected to X4 / Vs-, X4 / V-. There is no
AGND potential in accordance with module AX501. In module AX501, AGND is connected to
GND via a resistor.
Both sensor shield connections of X3 are interconnected and jointly connected to FE via 10 MW
|| 4 nF.
The terminal blocks of X2 and X3 have the following connection data:
● Conductor cross section, single wire/ flexible: 0.14 mm² to 1.5 mm²
● Conductor cross section, flexible with wire end ferrule (without plastic ferrule): 0.25 mm² to
1.5 mm²
● Conductor cross section, flexible with wire end ferrule (with plastic ferrule): 0.25 mm² to 0.5
mm²
Table 84: Pin assignment 54 pin connector (X4)
Connector /
Block
Pin Assignment / Signal
X4 / 1 +0 Auxiliary voltage (max. 200 mA total load of +0/ +1/ …/ +7/ +8
permitted). Voltage derived from input voltage V+ (X4)
X4 / 1 00 DC532 / I0
X4 / 1 01 DC532 / I1
X4 / 1 02 DC532 / I2
X4 / 1 03 DC532 / I3
Replacement devices: I/O modules > Replacement unit DC501-CS31-AD
2018/09/24 3ADR010122, 8, en_US 141
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