Samson Trovis 6493 - Page 18

3-6 EB 6493 EN
Design and principle of operation
Inputs
Resistance
transmitters
(potentiome-
ters)
Nominal value 1kΩ, three-wire
Wire resistance R
L
< 15Ω per wire
Error Zero <0.2%, span <0.2%
Effect of temperature Zero <0.1%/10K, span <0.2%/10K
1)
Resolution <0.07Ω (<0.007%)
Binary input Switching contact
− With external supply 24VDC (4 to 31VDC)
or
− Powered by the controller over terminals 14, 15
(20VDC)
Signal state OFF with 0 to 2V
Signal state ON with 4 to 31V
Current draw
<6mA at 24VDC
<5.5mA at 20VDC
1)
Based on 20°C
Outputs
Analog output Nominal signal range 0/4 to 20mA, load <740Ω
0/2 to 10V, load >3kΩ
Max. permissible signal
range
0 to 22mA, 0 to 11V
Error <0.2%
Effect of temperature Zero <0.1%/10K, span <0.1%/10K
Resolution <0.0015mA (<0.0075% with 0 to 20mA)
(<0.0094% with 4 to 20mA)
<0.75mV (<0.0075% with 0 to 10V)
Binary output BO1
Binary output BO2
Two relays with oating switching contact, max.
250VAC, max. 250VDC,
max. 1AAC, max. 0.1ADC, cosφ= 1
Spark suppression Connected in series C = 2.2nF and varistor
300VAC, in parallel to each relay contact
Binary output BO3 for fault alarms
Isolated transistor output, external supply 3 to
50VDC, max. 30mA
Infrared interface Transmission protocol: SAMSON protocol (SSP)
Transmission rate: 9600bit/s
Angle of reected beam: 50°
Distance between infrared adapter and controller:
max. 0.7m