32206C 3/97
D9210B Operation & Installation Manual
© 1997 Radionics
Page 11
Point Tolerances. The following voltages determine the condition of the on-
board point. Use the point common as your (-) reference when measuring the
point (+). Set your meter for 10 to 24 VDC range.
Open Loop
=
Greater than 8.7 VDC, but less than 13.8 VDC. (open
wire, e.o.l. resistor not in circuit)
Normal Loop =
Greater than 3.9 VDC, but less than 5.8 VDC. (e.o.l
resistor in circuit)
Shorted Loop =
Greater than 3.0 VDC, but less than 2.0 VDC. (wire to
wire short, e.o.l. resistor not in circuit)
Step 5: Door Lock, Terminals 2, 3 and 4
Description. A removable relay (model D136) provides a dry contact single pull
double throw output. Some strikes require a closed circuit to unlock the door
while others require an open circuit to unlock the door. The relay will support 12
VDC @ 2A or 24 VDC @ 2.5 A or 12/24VAC @ 40 VA.
Common Input (3)
=
This terminal will be used for the input to power
the strike. Use the (+) side of the power to the
strike via this input. Connect the (-) side directly
to the strike.
Lock N/C (2)
=
Provides Input power to device with relay de-
energized.
Lock N/O (4)
=
Provides Input power to device with relay
energized.
Relay Installation. The D136 Relay is installed into the relay socket of the
D9210B. Follow these steps for installing the relay:
1. Locate the relay socket on the D9210B board (shown in Figure 3).
2. Place the relay into the socket. The plug-in relay has two legs on the bottom
and three legs on the top. When inserting the relay, ensure that it is oriented
as shown in Figure 3.
Figure 3. Relay Installation
1
PWR +
7
SDIB
6
SDIA
5
COM
8
T +
10
ZN +
9
ZNCOM
2
LCKN/C
3
LCKCOM
4
LCKN/O
11
ON
D9210B
M A
NU
F A
CT
UR
E R
NA
ME
MA
NU
FA
CT
UR
ER
NA
ME
D9210B
TOP
L
E
F
T
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