Operating instructions

Electrical installation
4.8 Signal connections
Drive converter cabinet units
66 Operating Instructions, 10/2008, A5E00288214A
X530: 4 digital inputs
Table 4- 9 Terminal block X530
Terminal Designation
1)
Technical specifications
1 DI 4
2 DI 5
3 DI 6
4 DI 7
Voltage: - 3 V to 30 V
Typical current consumption: 10 mA at 24 V
Reference potential is always terminal M2
Level:
- high level: 15 V to 30 V
- low level: -3 V to 5 V
5 M2 Ground reference
6 M Electronics ground
1)
DI: digital input; M2: ground reference; M: Electronics ground
Max. connectable cross-section: 1.5 mm²
Note
An open input is interpreted as "low".
X521: 2 analog inputs (differential inputs)
Table 4- 10 Terminal block X521
Terminal Designation
1)
Technical specifications
1 AI 0+
2 AI 0-
3 AI 1+
4 AI 1-
As voltage input:
-10 V - +10 V, Ri = 100 kΩ
Resolution: 11 bits + sign
As current input:
+4 mA - +20 mA / -20 mA - +20 mA / 0 mA - +20 mA, Ri = 250 Ω
Resolution: 10 bits + sign
5 P10 Auxiliary voltage +10 V, continued short-circuit proof
6 M Ground reference
7 N10 Auxiliary voltage -10 V, continued short-circuit proof
8 M Ground reference
1)
AI: analog input; P10/N10: auxiliary voltage, M: Ground reference
Max. connectable cross-section: 1.5 mm²
CAUTION
The input current of the analog inputs must not exceed 35 mA when current measurements
are performed.