simatic s7-300 - megaelektrik.net

4
SIMATIC S7-300
Function modules
FM 355-2
closed-loop temperature control modules
■ Technical specifications (continued)
6ES7 355-
2CH00-0AE0
Analog inputs
• Number of analog inputs 4 4
• Length of cable shielded, max. 200 m;
50m at 80 mV
and thermocouples
• Permissible input voltage for the
voltage input (destruction limit),
max.
• Permissible input voltage for the
current input (destruction limit),
max.
20 V 20 V
40 mA 40 mA
Input ranges (rated values),
voltages
- 0 to +10 V Yes Yes
- -1.75 to +11.75 V Yes Yes
Input ranges (rated values),
currents
- 0 to 20 mA Yes Yes
- 0 to 23.5 mA Yes Yes
- -3.5 to +23.5 mA Yes Yes
- 4 to 20 mA Yes Yes
Input ranges (rated values),
thermocouples
- Type B Yes Yes
- Type E Yes Yes
- Type J Yes Yes
- Type K Yes Yes
- Type R Yes Yes
- Type S Yes Yes
Input ranges (rated values),
resistance thermometer
- Pt 100 Yes Yes
Characteristic curve linearization
- parameterizable Yes Yes
- for thermocouples Type B, E, J, K,
R, S
- for resistance thermometer Pt 100
(standard)
Temperature compensation
- external temperature compensation
with Pt100
Yes
- internal temperature compensation
Yes
possible
Analog outputs
• Number of analog outputs 4
• Length of cable shielded, max. 200 m;
50m at 80 mV
and thermocouples
• Voltage output,
Yes
short-circuit protection
• Voltage output,
25 mA
short-circuit current, max
• Current output,
18 V
open-circuit voltage, max.
Output ranges, voltage
- 0 to 10 V Yes
- -10 to +10 V Yes
6ES7 355-
2SH00-0AE0
200 m;
50m at 80 mV
and thermocouples
Type B, E, J, K,
R, S
Pt 100
(standard)
Yes
Yes
6ES7 355-
2CH00-0AE0
6ES7 355-
2SH00-0AE0
Analog outputs (continued)
Output ranges, current
- 0 to 20 mA Yes
- 4 to 20 mA Yes
Actuator connection
- for voltage output 2-wire Yes
connection
- for current output 2-wire Yes
connection
Burden resistance
(in the nominal output range)
- at voltage outputs, min. 1 kΩ
- at voltage outputs, capacitive
load, max.
1 µF
- at current outputs, max. 500 Ω
- at current outputs, inductive
load, max.
1 mH
Analog value formation
• Measuring principle integrating integrating
Integration and conversion
time/triggering per channel
- with over-range (bits incl. sign),
max
14 Bit 14 Bit
- Conversion time (per channel) 100 ms; at 50
and 60 Hz
100 ms; at 50
and 60 Hz
Settling time
- for resistive load 0.1 ms 0.1 ms
- for capacitive load 3.3 ms 3.3 ms
- for inductive load 0.5 ms 0.5 ms
Sensor
Sensing element connection
- for voltage measurement Yes Yes
- for current measurement, as Yes
Yes
4-wire measuring transducer
Connectable encoders
- 2-wire BEROS Yes Yes
- permissible closed-circuit current
1.5 mA 1.5 mA
(2-wire BEROS), max.
Error/accuracies
• Linearity error
+/- 0.05 %
(relative to the output range)
• Linearity error
+/- 0.05 % +/- 0.05 %
(relative to the input range)
• Temperature error
+/- 0.02 %/K
(relative to the output range)
• Temperature error
+/- 0.005 %/K +/- 0.005 %/K
(relative to the input range)
Operational limit in the entire
temperature range
- Relative to the output range, +/- 0.5 %
voltage
- Relative to the output range,
current
+/- 0.6 %
- relative to the input range,
voltage
- relative to the input range,
current
- relative to the input range,
resistance thermometer
+/- 0.6 %;
+/-0.6 to
+/-0.7%
+/- 0.6 %;
+/-0.6 to
+/-0.7%
+/- 0.6 %;
+/-0.6 to
+/-0.7%
+/- 0.06 %;
+/-0.06 to
+/-0.7%
+/- 0.06 %;
+/-0.06 to
+/-0.7%
+/- 0.06 %;
+/-0.06 to
+/-0.7%
4/118 Siemens ST 70 · 2005