Ampcontrol Pty Ltd
– ABN 28 000 915 542
IPM V2 USER MANUAL
IPM2B003 Revision 15
– MAY/18
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
Page 70 of 83
A
P
P
R
OV
E
D
FOR
E
X
T
E
R
N
A
L
D
IS
TR
IB
U
T
ION
–
P
R
OP
E
R
T
Y
OF
A
M
P
C
ON
TR
OL
P
T
Y
LTD
–
N
O
T
T
O
B
E
R
E
P
R
OD
U
C
E
D
I
N
P
A
R
T
APPENDIX 5: IPM Modbus Address Table
Modbus
Address
Byte Name
Bit Identification
0-3
Reserved
4
Note: Bit
set when
tripped
trips_1
trips_2
Trip Status 1
0 = Earth Leakage
1 = Earth Continuity Trip
2 = Insulat. test trip
3 = Overload Trip
4 = Short Circuit Trip
5 = Current Balance Trip
6 = Residual Current Trip
7 = Main Contactor Fail
Trip Status 2
0 = External Stop
1 = RTM Offline Trip
2 = IPM Memory Error
3 = RTM Memory Error
4 = Stopped - IPM
5 = Modbus Timeout
6 = Modbus Stop
7 = RTM CT Ratio Error
5
Note: Bit
set when
tripped
soft_trips
alarms
Soft Trip Status
0 = Tripped No Volts
1 = MC Close Fail
2 = External MC Open
3 = Burp MCI Fail
4 = Under Current
5 = OTS Test Mode Exited
6 = Spare
7 = Last T:
Alarms
0 = High Current Alarm
1 = Thermal Acc Alarm
2 = Current Balance
3 = Under Cur. Alarm
4 = Earth Leakage Alarm
5 = Under Voltage Alarm
6 = Insulation Test Alarm
7 = Spare
6
Note: Bit
set when
active
ipm_stat2_byte
ipm_stat_byte
Relay Status
0 = Outlet Paused
1 = Need IPM Start
2 = Testing Insulation
3 = Closing Main Cont.
4 = Burp: MC Closed
5 = Burp: MC Open
6 = Running
7 = Manual Insulation Test
Relay Status 2
0 = Snore
1 = Snore
– Close Aux
2 = RTM Version Error
3 = RTM Stop
4 = Wait on RTM Start
5 = Config Error
6 = OTS Test Mode
7 = Spare
Modbus
Address
Byte Name
Bit Identification
7
Note:
Key Bits
0-7 clear
when key
pressed
keys_control
digital_inputs
Digital Inputs
0 = Spare
1 = Spare
2 = Lock
3 = Reset
4 = Aux
5 = External Stop
6 = External Start
7 = MCI
Keys
0 = Stop
1 = Start
2 = Reset
3 = Test
4 = Spare
5 = Spare
6 = Spare
7 = Spare
8
Reserved
9
pilot_fwd
Pilot Forward Resistance as a
Percentage (%) of the trip
level.
Note: The IPM aims to trip at
36Ω (100%).
10
pilot_rev
Pilot Forward Resistance as a
Percentage (%) of the trip
level (nominally 2k).
11
meg_result
Insulat. Test Result (MOhms)
12
cur_gain_Leds
keys_menu_ra
w (in high byte)
Control Keys
0 = Up Key
1 = Down Key
2 = Left key
3 = Right key
4 = Enter key
5 = ESC Key
14 = Red LED
15 = Green LED
13
el_cur
Earth Leakage Current
(0…250%)
14
cur_a
A Phase Current
(0…1000%)
15
cur_b
B Phase Current
(0…1000%)
16
cur_c
C Phase Current
(0…1000%)
17
current_bal
Current Balance
(0…100%)
18
ir_cur_high
Residual Current
(0…1000%)
19
OC Thermal Accum
(0…120%)
20
volts_a
A Phase Voltage
(0…120%)
21
volts_b
B Phase Voltage
(0…120%)
22
volts_c
C Phase Voltage
(0…120%)
