Watson-Marlow Varmeca 30 - Manual (Page 17)

51
INSTALLATION AND MAINTENANCE
VARMECA 30
Variable speed motor or geared motor
CONNECTIONS
LEROY-SOMER 3776 en - 07.2007 / h
en
VMA
terminal
33/34
VMA
terminal
31/32
Designation Function Characteristics
6 6 ADIO3
Analogue or logic input or analogue
output 3
Assignment in standard
configuration: Analogue output
(LED control option for VMA 31 up
to 34)
Characteristics Analogue voltage (common mode) or uni-directional
Voltage input
Full scale voltage 10 V ± 2%
Input impedance 95 k
Ω
Current input
Current range 0 to 20 mA ± 5%
Input impedance 500
Ω
Resolution 10 bits
Sampling 6 ms
Logic input (if connected to the +24V)
Thresholds "0": < 5 V – "1": > 10 V
Voltage range 0 to +24 V
Load 95 k
Ω
Input threshold 7.5 V
Voltage output
Voltage range 0 to 10 V
Load resistor 2 k
Ω
Protection Short-circuit (40 mA max)
Current output (VMA 33/34 only)
Current range 0 to 20 mA
Maximum voltage 10 V
Load resistor 500
Ω
7 7 DIO1
Digital input or output 1
Assignment in standard
configuration:
External fault management
Characteristics Digital input or output 1
Thresholds "0": < 5 V – "1": > 10 V
Voltage range 0 to +24 V
Sampling/refreshment 2 ms
Digital input
Absolute maximum voltage 0 to +35 V
Load 15 k
Ω
Input threshold 7.5 V
Logic output
Maximum output current 50 mA
Overload current 50 mA
8 5
24V +24V internal source
Output current 10 mA in total
Overload current VMA 33/34: 150 mA - VMA 31/32: 50 mA
11 11
Accuracy ± 5%
Protection Current limiting and setting to fault mode
9 8 DI2
Logic input 2
Assignment in standard
configuration: Run forward
Characteristics Logic input (positive logic)
Thresholds "0": < 5 V – "1": > 10 V
Voltage range 0 to +24 V
10 9 DI3
Logic input 3
Assignment in standard
configuration: Run reverse
Sampling/refreshment 2 ms
Absolute maximum voltage
range
0 to +35 V
12 10 DI4
Logic input 4
Assignment in standard
configuration: Selection of ADI1
Load 15 k
Ω
Input threshold 7.5 V
13 NA SDI1 +24V dedicated to the safety input
Characteristics Logic input (positive logic)
Thresholds "0": < 5 V – "1": > 18 V
14 12 SDI2/ENA Safety/unlocking input
Voltage range 9 to +33 V
Impedance 820
Ω
15 13 COM/RL1
Fault relay output
Characteristics
VMA 33/34: NO_NC single-pole changeover contact
VMA 31/32: NO single-pole contact
16 NA RL1C 250 VAC maximum contact
current - 4 A, resistive load
17 14 RL1O/RL2 - 2 A, inductive load
18 NA SDO1
Safety contact
Characteristics NO single-pole changeover contact
19 NA SDO2
250 VAC maximum contact
current - 4 A, resistive load
- 2 A, inductive load