| IWR-PORT SERIES
UTILITY OPERATING MANUAL
C
opyright © 2021 Sensata Technologies, Inc.
Page 28
Reading 16-bit Device Types
To calculate the 16-bit Device Type registers offset please refer to the IWR-Port Modbus
register table (128 channel, 8 parameters).
The device type is a value between 0x00 and 0xFF, used to indicate which channels are
valid, how many inputs and outputs they have, whether the inputs or outputs are analog
or digital, and whether the channel is local to the IWR-Port on the IWR-Port bus, or
remote, with values updated wirelessly
If the device type is 0xFF, the device has no inputs or outputs or does not exist.
Device type
Bit clear
Bit set
Bit 7
Local bus
Remote
Bit 6
Analogue
Digital
Bit 5
Input
Output
Bit 4
Standard device
IWT device
Bit 3
Autoscale not available
Autoscale available
Bit 2
Normal
Pulse Counter
Bit 0 clear
Bit 0 Set
Bit 1 Clear
1 parameter
2 parameters
Bit 1 Set
4 parameters
8 parameters
IWR-Port
with 1 output
0x20
Isoslice-1
2 universal analogue inputs
0x01
Isoslice-2
8 HL analogue inputs
0x03
Isoslice-3
4 RTD analogue inputs
0x02
Isoslice-4
4 TC analogue inputs
0x02
Isoslice-5
8 digital inputs
0x43
Isoslice-6
4 digital outputs
0x62
Isoslice-7
2 frequency inputs or 1 pulse
0x01
Isoslice-8
4 analogue outputs
0x22
Isoslice-9
4 AC analogue inputs
0x02
IWPT, IWTT etc
1 analogue input, scaling available
0x98
IWDigT
1 digital input
0xD0
*new
1 analogue input, scaling not available 0x90
*new
2 analogue inputs, scaling available
0x99
*new
2 analogue inputs, scaling not available 0x91
*new
2 digital inputs
0xD1
*new
4 digital inputs
0xD2
*new
4 analog inputs, scaling available
0x9A
*new
4 analog inputs, scaling not available
0x92
*new
1 32-bit pulse input
0x95
*new
2 32-bit pulse inputs
0x96
9.3 Writing Output Values
Some registers can be written using function code 06. These are
•
16-bit data values of analog or digital outputs
•
16-bit span point scaling values if they are unlocked (see below)
•
16-bit zero-point scaling values if they are unlocked (see below)
