Specifications - Johnson Controls CKM-MR51E Hardware Installation Manual

CKM-MR51E
24-10707-58 Rev. E
S
PECIFICATIONS
Use this interface in low voltage, Class 2 circuits only.
Category
Power Input
Power Output
Outputs
Inputs
Reader Power
Reader LED Output TTL compatible, high > 3 V, low < 0.5 V, 5 mA source/sink
Buzzer Output
Reader Data Inputs
Communication
Power
Alarm Inputs
Reader data (TTL)
Reader data (RS-
485)
Temperature
Humidity
Dimensions
(W x L x H)
Weight
Table 6: CKM-MR51E Specifications
Description
PoE Power Input 12.95 W, compliant to IEEE 802.3af, or
12 VDC 10%, 900 mA maximum
12 VDC at 700 mA maximum (reader and AUX outputs combined)
Reader (TB3) 12 VDC (10.3 through 12.6) at 150 mA maximum
AUX (TB5) 12 VDC (10.7 through 13.0) at 700 mA maximum
2 outputs, Form-C contacts rated at 5 A at 30 VAC/DC
4 unsupervised/supervised, End of Line resistors, 1k/2k ohm, 1% 1/
4 W watt standard
Reader Interface
See Power Output in this table.
maximum
Open collector, 5 VDC open circuit maximum, 10 mA sink
maximum
TTL compatible inputs or two-wire RS-485
Cable Requirements
Ethernet, Category 5, minimum
1 twisted pair, 18 AWG.
1 twisted pair per input, 30 ohm maximum
18 AWG, 6 conductor, 500 ft (152 m) maximum
24 AWG, 120 ohm impedance, twisted pair with shield, with drain
wire, 1,000 ft (304.8 m) maximum
Environmental
32 to 120°F (0 to 49 °C) operating
-67 to 185°F (-55 to 85°C) storage
10 to 93% RHNC
Mechanical
Without bracket: 5.5 in x 2.75 in. x 0.96 in. (14 cm x 7 cm x 2.4 cm)
With bracket: 5.5 in. x 3.63 in. x 1.33 in. (14 cm x 9.2 cm x 3.4 cm)
4.2 oz. (120 g) without bracket 5.3 oz. (150 g) with bracket
13
Hardware Installation Manual