Table 29: I/O Terminal Signals (X13) (continued)
Terminal Function Description
13 DI 1
14 DI 2
15 DI 3
16 DI 4
17 DI 5
18 DI 6
Configurable digital input, galvanically isolated.
24 V DC, 0 < 5 V, 1 > 15 V.
Input load 7.5 mA constant current + 10 kΩ resistive load, maximum pulse frequency 100 kHz.
19 DGND
20 DGND
Digital input ground, not isolated by default.
When using the internal +24 V
out
supply, connect the external jump wire between DGND and GND.
When using the external +24 V DC supply, remove the external jump wire between DGND and GND.
21 DO 1
22 DO 2
Configurable digital output.
(1)
Push-pull 24 V/50 mA
Open collector (NPN/PNP) 48 V/50 mA
Short-circuit protected
23 GND
24 GND
I/O ground.
Ground for digital outputs, +10 V Ref, +24 V
out
, analog inputs, and analog outputs.
31 AO 1 Configurable analog output.
Voltage mode:
• 0...10 V
• R
L
≥ 1 kΩ
• accuracy ≤ ± 0.5% of full scale
• short-circuit protected
Current mode:
• 0...20 mA
• R
L
≤ 600 Ω
• accuracy ≤ ± 0.5% of full scale
• short-circuit protected
32 +10 V ref. 10 V (0...+3%), maximum current 10 mA
33 AI 1
34 AI 2
Configurable analog input.
Voltage mode:
• 0 ± 10 V
• single-ended
• R
i
~ 10 kΩ
• accuracy ± 0.5% of full scale
Current mode:
• 0 ± 20 mA
• differential
• R
i
~ 200 Ω
• accuracy ± 0.5% of full scale
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