Download RM-4 Reader Module Installation Sheet

RM-4 Reader Module Installation
Sheet
8200-0908-01 Version A2
The RM-4 Reader Module Installation Sheet provides connection information for
RM-4 boards. You can interface read heads that supply Wiegand signaling or
Magnetic (ABA) signaling to apCs and iSTARs using RM-4 boards.
Wiring Inputs, Outputs,
and Reader Bus
Figure 1 shows RM-4 P1 / P5 wiring and SW3 switch settings.
FIGURE 1. RM-4 P1/P5 Wiring Requirements
NOTE
SW3-7 and SW3-8 refer to the Beeper on the RM-4.
P3 Reader Beep refers to the Beeper on the read head, if it exists.
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Reader Connections
Figure 2 shows the P3 read head wiring. (Wiegand or Magnetic signaling)
FIGURE 2. RM-4 Reader Connections
Wiring Keypads
Table 1 indicates keypad wiring.
TABLE 1. Wiring Keypads
2
J2 Pin
Function
1
Col 3
2
Col 2
3
Col 1
4
Col 0
R3
1
2
3
5
Row 3
R2
4
5
6
6
Row 2
R1
7
8
9
7
Row 1
R0
CMD
ENT
0
CE
8
Row 0
C3 C2 C1
Note that on a
3 x 4 matrix
keypad, Pin 4
(C0) is not used.
Grounding and
Shielding
Single RM-4
1. When connecting the RM-4 to the reader bus, use twisted pair, shielded minimum 24
AWG cable. Attach the shield at one end only, usually at the apC or iSTAR end.
2. Attach a local earth ground (18 - 22 gauge) wire to the J5 component on the RM-4.
Multiple RM Bus Devices
When wiring an RM-4 reader to a bus with multiple devices, such as other
RM-4s, RM-4Es, I/8s, or R/8s:
1. Connect the shields together along the bus (insulate each connection). Snip off the
shield wire at the end of the bus.
2. Attach the shield to ground at only one point – usually at the ground stud inside the
iSTAR or apC cabinet adjacent to the knockout.
3. Attach a local earth ground (18 - 22 gauge) wire to the J5 component on the RM-4.
Setting Module
Address and
EOL Termination
Module Address: Set SW1 (16 position rotary switch) to a number from one to
eight. Every RM series reader on a bus must have a unique address.
Installing ARM-1
Relay Modules
Two ARM-1 relays can be connected through the P5 connector, as shown in
Figure 3:
RS-485 EOL (End of Line) Termination: Set SW3-5 to On (closed) position if the
module is the last unit on the bus. If the module is not the last unit on the bus,
set SW3-5 to Off (open) position.
FIGURE 3. Connecting ARM-1 Relays
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Table 2 shows the wiring connections between the RM-4 and the ARM-1 relay
modules.
TABLE 2. ARM-1 Wiring
Module
Wiring
Notes
ARM-1 Relay
ARM P2-1 to RM P5-1
ARM P2-2 to RM P5-2
„
RM P5-1 is common (+12 VDC) pin for either ARM-1
„
RM P5-2 is the output drive (GND) for the first relay.
ARM P2-1 to RM P5-1
ARM P2-2 to RM P5-3
„
RM P5-3 is the output drive (GND) for the second
relay.
ARM-2 Relay
Wiring Supervised
Inputs
Power Requirements
and Specifications
Figure 3 shows how to wire supervised inputs to P5. Both NO and NC types are
shown.
Table 3 lists the power requirements and operating specifications of the RM-4
module.
TABLE 3. Power Requirements and Operating Specifications
Requirement
RM-4 Power requirements
Specification
+12 VDC (± 5%)
75 mA without reader and LCD
Maximum power draw
+12 VDC (± 5%)
(with full load)
350 mA maximum with reader and LCD
Reader LED output control
4.0 VDC to 5.25 VDC, 20 mA maximum
Reader port output voltage
5 VDC
or
12 VDC
RM-4 Reader Module Installation Sheet
Document Number: 8200-0908-01, Revision: A2
Release Date: May 2011
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