
Enforcer: Installation Manual
Page: 9
3.7
Input / Output Board
The Input/output (I/O) board contains the RS485 terminals that are used to connect additional wired
keypads, readers, input expanders and output expanders .
Terminals:
D1-
: RS485 0V
D2+
: RS485 +12V
D3:
RS485
'A' Bus
D4:
RS485
'B' Bus
PGM1:
Programmable Output
BELL:
Bell output for a wired external
sounder
STRB:
Strobe output for a wired external
sounder
Z33:
Wired Input 33
COM:
Common terminal for Z33 and Z34
+12V
: +12V auxiliary supply
Z34:
Wired Input 34
The maximum devices the I/O board can have on the RS485 bus are as follows:
4 x Input Expanders: EURO-ZEM8, EURO-ZEM8+, EURO-ZEM8+PSU or ZEM32-WE
1 x Output Expander: EURO-OEM8R8T or EURO-PSU
3 x Keypads/Readers (same bus): EURO-LCDPZ, EUR-107 or EUR-108
3.8
Connecting Peripherals to the I/O Board
Connecting Keypads (EURO-LCDPZ)
Up to 3 additional keypads can be connected to the Enforcer. These will be addressed
individually and also addressed in the Engineer function '‘Assign Keypads / Readers’.
Addressing at the keypad
Each keypad will also need to be addressed individually, press and hold the
D
key until
‘SECURITY CODE’ is displayed. Enter ‘2000’ and select the desired address (the first keypad that
is connected should be addressed as ‘1’). Press the
a
key to save the data and exit.