MPC-6000 / MPC-7000 / RND-2 INSTALLATION, OPERATION AND MAINTENANCE MANUAL
19
Notification Appliance Circuits
Power limited
Supervised
Maximum Standby Current: 3.4mA
Maximum Line Resistance @ 24V (nominal), unfiltered fullwave rectified
Current Draw Line Impedance
1.5A 2Ω
1.0A 3Ω
0.5A 6Ω
Alarm Voltage: 24V, nominal (31V max.), unfiltered fullwave rectified
Maximum Ripple: 16 VAC, 120Hz
Use for special application only
MPC-6000 Four Style Z/Class B or two Style Y/Class A circuits
MPC-7000 Four Style Z/Class B or two Style Y/Class A circuits
Expandable to twelve Style Z/Class B or six Style Y/Class A circuits
Maximum NAC Current: 1.5A / NAC circuit
MPC-6000 maximum total NAC current 3.0A (6.0A with optional NPE-1 transformer installed)
MPC-7000 Maximum total NAC current 5.0A (8.0A with optional NPE-1 transformer installed)
Suitable for coded and non-coded application
Refer to Appendix B to determine maximum synchronized notification appliances allowed
per NAC
Serial Interface Circuit
Power limited
Supervised
(+, -) Voltage: 24 VDC nominal (31 VDC max.) filtered
Maximum current: 0.40A at 24VDC
(X+, X-) RS485 Voltage levels
Maximum wire loop resistance: 11 ohms/line
Communications Protocol: RS485
The maximum cumulative available power output (including Auxiliary power and Serial
Interface power) is: 0.5A for MPC-6000/RND-2, 1.0A for MPC-7000.
X1 Addressable Device Circuits
Power limited
Supervised
Voltage: 24 VDC nominal (31 VDC max.) filtered
Maximum Current (shorted): 0.375A
Maximum wire loop resistance: 50 ohms (see graph in Appendix A on page 60)
Style 4 or 6 circuit
252 Addresses: detectors and modules max.
MPC-6000: One circuit
RND-2: No loop circuits
MPC-7000: Two circuits expandable to four