Specifications
Readers
Proximity 125 kHz
5-22 © Siemens Switzerland Ltd 2011
Type Order No.
HD500-EM
Heavy-duty card reader
The HD500-EM reads EM4102 cards (also known as Miro or UNIQUE 
125 kHz).
Vandal-proof and fire-resistant‚ it is popular both in vulnerable locations 
and modern office environments.
When BC-Link is used‚ two of these readers can be installed to control 
entries and exits using only one door controller. An additional benefit 
of BC-Link is that it supports online status monitoring. 
System compatibility SiPass Entro‚ SiPass integrated 
Interface to controller BC-Link‚ Clock&Data or Wiegand 
Operating voltage 10.6 to 32 VDC
Current consumption 20 mA @ 12V DC
22 mA @ 24V DC 
Tamper switch No 
Card technology EM4102 (also known as Miro or 
UNIQUE 125 KHz) 
Card compatibility IB41-EM‚ IB42-EM‚
IB44-EM‚ IB45-EM 
Card read distance Up to 6 cm 
Indicators 3 x LED (red/yellow/green)
1 x Buzzer 
Keypad No 
Operating temperature -30 to +50 °C
Environment Indoor or outdoor use 
IP rating IP65 
Housing Polycarbonate case‚ fully encapsu-
lated electronics‚ stainless steel out-
er frame 
Colour Black and stainless steel 
Dimensions (W x H x D) 100 x 128 x 18 mm
Weight 0.24 kg
Approval CE 
Accessories None 
S24246-F3901-A1










