Specifications

SINAMICS G150 NEMA
Engineering information
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Siemens D11.7 (Part 1) – 2013
4/11
Digital and analog inputs and outputs
TM31 specifications
Digital inputs
• Voltage -3 V + 30 V
• Low level (an open digital input is
interpreted as “low”) -3 V to +5 V
• High level 15 V to 30 V
• Current consumption (at 24 V DC) Typ. 10 mA
• Signal propagation delays for
digital inputs L to H: approx. 50 µs
H to L: approx. 100 µs
• Max. wire size #16 AWG (1.5 mm
2
)
Digital outputs (continuously short-circuit-proof)
• Voltage 24 V DC
• Max. load current per digital output 100 mA
• Max total current of digital outputs 400 mA
• Max. wire size #16 AWG (1.5 mm
2
)
Analog inputs
(a switch is used to toggle between voltage and current input)
• As voltage input
- Voltage range -10 V to +10 V
- Internal resistance Ri 100 k
c
• As current input 4 mA to 20 mA/-20 mA to
- Current range +20 mA/ 0 mA to 20 mA
- Internal resistance Ri 250
c
- Resolution 11 bit + sign
• Max. wire size #16 AWG (1.5 mm
2
)
Analog outputs (continuously short-circuit-proof)
• Voltage range -10 V to +10 V
• Max. load current -3 mA to +3 mA
• Current range 4 mA to 20 mA, -20 mA to
+20 mA, 0 mA to 20 mA
• Max. load resistance 500
c for outputs in the range
-20 mA to +20 mA
• Resolution 11 bit + sign
• Max. wire size #16 AWG (1.5 mm
2
)
Relay outputs (form C change-over contacts)
• Max. load current 8 A
• Max. switching voltage 250 V AC, 30 V DC
• Max. switching power (@ 250 V AC ) 2000 VA (cos j = 1)
750 VA (cos j = 0.4)
• Max. switching power (at 30 V DC ) 240 W (ohmic load)
• Required minimum current 100 mA
• Max. wire size #14 AWG (2.5 mm
2
)
The TM31 Terminal Module contains:
• 8 digital inputs
• 4 bidirectional inputs/outputs
• 2 analog inputs (differential)
• 2 analog outputs
• 2 relay outputs (changeover)
• Input for KTY84 temperature sensor or PTC thermistor
• ±10V auxiliary voltage output for analog setpoint input
• ±24V auxiliary voltage output for digital inputs
TM31 Terminal Module