GE M60

2-30 M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 2: PRODUCT DESCRIPTION
2
Range: –40 to 200°C
Accuracy: ±2°C
Lead resistance: 25 Ω maximum for Pt and Ni type; 3 Ω max. for Cu type
Isolation: 36 Vpk
IRIG-B INPUT
IRIG formats accepted: B000…B007, B120…B127
IRIG control bits: IEEE Std C37.118.1-2011
Amplitude modulation: 1 to 10 V pk-pk
DC shift: TTL–Compatible
Input impedance: 50 kΩ
Isolation: 2 kV
DIRECT INPUTS
Input points: 32
Remote devices: 16
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Ring configuration: Yes, No
Data rate: 64 or 128 kbps
CRC: 32-bit
CRC alarm:
Responding to: Rate of messages failing the CRC
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold: 1 to 1000 in steps of 1
Unreturned message alarm:
Responding to: Rate of unreturned messages in the ring configuration
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold: 1 to 1000 in steps of 1
TELEPROTECTION
Input points: 16
Remote devices: 3
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Ring configuration: No
Data rate: 64 or 128 kbps
CRC: 32-bit
2.5.6 Power supply
LOW RANGE
Nominal DC voltage: 24 to 48 V
Minimum DC voltage: 20 V
Maximum DC voltage: 75 V for SL power supply module
Voltage loss hold-up: 200 ms duration at maximum load
NOTE: Low range is DC only.
HIGH RANGE
Nominal DC voltage: 125 to 250 V
Minimum DC voltage: 88 V
Maximum DC voltage: 300 V
Nominal AC voltage: 100 to 240 V at 50/60 Hz
Minimum AC voltage: 88 V at 25 to 100 Hz
Maximum AC voltage: 265 V at 25 to 100 Hz
Voltage loss hold-up: 200 ms duration at maximum load
ALL RANGES
Volt withstand: 2 × Highest Nominal Voltage for 10 ms