Expansion Module Em221 Digital Input 8 X 24 Vdc - Siemens Simatic S7-200 System Manual

S7-200 Data Sheets
A.19 Expansion Module EM221 Digital Input 8 x 24 VDC
Order Number: 6ES7 221-1BF00-0XA0
General Features
Physical size (L x W x D) 90 x 80 x 62 mm
(3.54 x 3.15 x 2.44 in.)
Weight 0.2 kg (0.4 lbs.)
Power dissipation 2 W
1
Points 8 digital inputs
Standards compliance UL 508
FM Class I, Division 2
VDE 0160 compliant
CE compliant
1
The CPU reserves 8 process-image input register points for this module.
DC 24V
1M .0 .1
INPUTS
470 Ω
Figure A-19 Connector Terminal Identification for EM221 Digital Input 8 x 24 VDC
A-40
Input Points
Input type
ON state range
ON state nominal
OFF state maximum
CSA C22.2 142
Response time
Optical isolation
Current Requirements
5 VDC logic current
24 VDC sensor current
Inputs (15 VDC to 30 VDC)
.2 .3 2M .4 .5
3.3 KΩ
Note:
1. Actual component values may vary.
2. DC circuit grounds are optional.
Type 1 Sinking per
IEC 1131-2
15-30 VDC, 4 mA minimum
35 VDC, 500 ms surge
24 VDC, 7 mA
5 VDC, 1 mA
3.5 ms typical/4.5 ms max.
500 VAC, 1 min
60 mA from base unit
60 mA from base unit or
external power supply
.6 .7
S7-200 Programmable Controller System Manual
C79000-G7076-C230-02