Digital inputs
Programmable digital inputs 4 (6)
Terminal number 18, 19, 27
1)
, 29
1)
, 32, 33,
Logic PNP or NPN
Voltage level 0–24 V DC
Voltage level, logic'0' PNP < 5 V DC
Voltage level, logic'1' PNP > 10 V DC
Voltage level, logic '0' NPN > 19 V DC
Voltage level, logic '1' NPN < 14 V DC
Maximum voltage on input 28 V DC
Input resistance, R
i
approx. 4 kΩ
All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
1) Terminals 27 and 29 can also be programmed as output.
Analog inputs
Number of analog inputs 2
Terminal number 53, 54
Modes Voltage or current
Mode select Switch S201 and switch S202
Voltage mode Switch S201/switch S202 = OFF (U)
Voltage level 0 to + 10 V (scaleable)
Input resistance, R
i
approx. 10 kΩ
Max. voltage ± 20 V
Current mode Switch S201/switch S202 = ON (I)
Current level 0/4 to 20 mA (scaleable)
Input resistance, R
i
approx. 200 Ω
Max. current 30 mA
Resolution for analog inputs 10 bit (+ sign)
Accuracy of analog inputs Max. error 0.5% of full scale
Bandwidth 200 Hz
The analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Mains
Functional
isolation
PELV isolation
Motor
DC-Bus
High
voltage
Control
+24V
RS485
18
37
130BA117.10
Figure 11.6
Specifications Instruction Manual
MG37A222 Danfoss A/S © Rev. 2014-02-07 All rights reserved. 157
11 11
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