Siemens SIMATIC S7-1200

Technical specifications
A.9 Digital signal modules (SMs)
S7-1200 Programmable controller
1444 System Manual, V4.2, 09/2016, A5E02486680-AK
Table A- 110 Connector pin locations for SM 1221 DI 16 x 24 V DC (6ES7221-1BH32-0XB0)
Pin
X10
X11
X12
X13
1
No connection
Functional Earth
No connection
No connection
2 No connection No connection No connection No connection
3
1M
2M
3 M
4 M
4 DI a.0 DI a.4 DI b.0 DI b.4
5
DI a.1
DI a.5
DI b.1
DI b.5
6
DI a.2
DI a.6
DI b.2
DI b.6
7
DI a.3
DI a.7
DI b.3
DI b.7
A.9.2
SM 1222 8-point digital output specifications
Table A- 111 General specifications
Model
SM 1222 DQ 8 x Relay
SM 1222 DQ 8 Relay
Changeover
SM 1222 DQ 8 x 24 V DC
Article number
6ES7222-1HF32-0XB0
6ES7222-1XF32-0XB0
6ES7222-1BF32-0XB0
Dimensions W x H x D (mm)
45 x 100 x 75
70 x 100 x 75
45 x 100 x 75
Weight
190 grams
310 grams
180 grams
Power dissipation
4.5 W
5 W
1.5 W
Current consumption (SM Bus)
120 mA
140 mA
120 mA
Current consumption (24 V DC)
11 mA / Relay coil used
16.7 mA/Relay coil used
50 mA
Table A- 112 Digital outputs
Model
SM 1222 DQ 8 x Relay
SM 1222 DQ 8 Relay
Changeover
SM 1222 DQ 8 x 24 V DC
Number of outputs
8
8
8
Type Relay, mechanical Relay change over con-
tact
Solid state - MOSFET
(sourcing)
Voltage range 5 to 30 V DC or
5 to 250 V AC
5 to 30 V DC or
5 to 250 V AC
20.4 to 28.8 V DC
Logic 1 signal at max. current
--
--
20 V DC min.
Logic 0 signal with 10K Ω load
--
--
0.1 V DC max
Current (max.) 2.0 A 2.0 A 0.5 A
Lamp load
30 W DC/200 W AC
30 W DC/200 W AC
5 W
ON state contact resistance
0.2 Ω max. when new
0.2 Ω max. when new
0.6 Ω max.
Leakage current per point
--
--
10 μA max.
Surge current
7 A with contacts closed
7 A with contacts closed
8 A for 100 ms max.
Overload protection
No
No
Isolation (field side to logic) 1500 V AC (coil to contact)
None (coil to logic)
1500 V AC (coil to con-
tact)
707 V DC (type test)