Siemens SIMATIC S7-1200

Technical specifications
A.12 Technology modules
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1485
A.12
Technology modules
A.12.1
SM 1278 4xIO-Link Master SM
Table A- 182 General specifications
Technical data
SM 1278 4xIO-Link Master signal module
Article number
6ES7278-4BD32-0XB0
Dimensions W x H x D (mm) 45 x 100 x 75
Weight
150 grams
General information
I&M data
Yes; IM0 to IM3
Supply voltage
Rated voltage (DC)
24 V DC
Valid range low limit (DC) 19.2 V; 20.5 V if IO-Link is used (the supply voltage for
IO-Link devices on the master must be at least 20 V)
Valid range high limit (DC)
28.8 V DC
Polarity reversal protection
Yes
Input current
Current consumption
65 mA; without load
Encoder supply
Number of outputs
4
Output current, rated value
200 mA
Power loss
Power loss, typ.
1 W, excluding port loading
Digital inputs/outputs
Cable length (meters)
20 m, unshielded, max.
SDLC
Cable length (meters)
20 m, unshielded, max.
IO-Link
Number of ports
4
Number of ports which can be controlled at the same
time
4
IO-Link protocol 1.0
Yes
IO-Link protocol 1.1
Yes
Operating mode
IO-Link
Yes
DI
Yes
DQ
Yes; max. 100 mA
Connection of IO-Link devices
Port type A
Yes
Transmission rate
4.8 kBd (COM1)